House Rewiring in Liverpool & Birkenhead
Planning a renovation, concerned about older wiring or been told your property may need rewiring?
Dan Electrician provides full and partial house rewiring across Liverpool, Birkenhead and the Wirral, with the existing electrical installation assessed before major work is recommended.
From older terraced houses and renovation projects to rental properties and family homes, we’ll explain what needs replacing, what can remain and how the work can be planned with disruption kept as practical as possible.
NICEIC Registered · Fully Insured
30+ Years’ Electrical Experience
Full & Partial Rewiring · Testing & Certification
Does Your House Actually Need Rewiring?
Older wiring does not automatically mean a property needs a complete rewire.
The decision should be based on the condition of the electrical installation, the results of inspection and testing, previous alterations and whether the existing wiring is suitable for how the property is being used today.
Very Old or Deteriorated Wiring
Electrical cables and accessories can deteriorate over time.
Where inspection or testing identifies widespread deterioration, damaged insulation or wiring that is no longer suitable for continued use, partial or full rewiring may be recommended.
Insufficient Circuits or Electrical Capacity
Older installations were often designed for very different electrical demands.
Modern kitchens, electric showers, induction cooking, home offices, outdoor equipment and EV charging can require additional circuits or changes to the existing installation.
That does not automatically mean a full rewire is required, but the existing system needs to be assessed before significant new loads are added.
Frequent Electrical Faults
Repeated tripping, intermittent circuits, overheating connections or recurring electrical faults can sometimes indicate wider problems with an installation.
However, a fault should be properly diagnosed before assuming the whole property needs rewiring.
Unsafe Previous Alterations
Properties sometimes contain electrical work added or modified by previous owners over many years.
Testing may reveal damaged cables, poor connections, unsuitable alterations or other defects that require individual repairs or more extensive replacement.
Major Renovation Work
If floors, ceilings and walls are already being opened as part of a major renovation, it can be a practical time to assess and upgrade older wiring.
Planning the electrical installation early also makes it easier to position sockets, lighting, kitchen circuits, data points and other electrical equipment before finishes are completed.
An Unsatisfactory EICR
An EICR may identify defects that require remedial work.
An unsatisfactory EICR does not automatically mean a full house rewire. Some defects can be repaired individually, while more extensive deterioration may justify partial or complete rewiring.
A house should be rewired because the condition of the installation justifies it — not simply because the property is old.
Full Rewire vs Partial Rewire — What’s the Difference?
Not every property needs all of its wiring replaced.
In some homes, the electrical installation may be generally serviceable but one area, circuit or part of the property needs upgrading. In others, the condition of the wiring may justify a more complete replacement.
The right option depends on the condition of the existing installation and what work is being planned.
What Is a Full House Rewire?
A full rewire involves replacing most or all of the fixed electrical wiring within the property.
Depending on the project, this can include:
Socket circuits
Lighting circuits
Cooker supplies
Electric shower circuits
Smoke and heat alarm supplies
Outdoor circuits
Consumer unit connections
Earthing and bonding arrangements where required
New switches, sockets and accessories
The exact scope should be agreed before work begins.
When Is a Partial Rewire More Practical?
A partial rewire can make sense where the problem is clearly limited to a particular section of the property.
It can also be useful during phased renovation work, where one area is being completely stripped and rebuilt while other parts of the home remain occupied.
What Is a Partial Rewire?
A partial rewire replaces only part of the electrical installation.
This may be appropriate where one area of the property has older or damaged wiring but the remainder of the installation is in satisfactory condition.
Examples can include:
Rewiring one floor
Replacing an older kitchen circuit
Rewiring an extension or renovation area
Replacing a damaged lighting circuit
Upgrading only circuits identified as unsuitable during testing
When Might a Full Rewire Be Better?
A full rewire may be more practical where widespread deterioration is found across several circuits or where the existing installation has been repeatedly altered over many years.
It may also make sense during a major renovation when walls, ceilings and floors are already being opened throughout the property.
When Is a Partial Rewire More Practical?
A partial rewire can make sense where the problem is clearly limited to a particular section of the property.
It can also be useful during phased renovation work, where one area is being completely stripped and rebuilt while other parts of the home remain occupied.
Can Old and New Wiring Remain Together?
Sometimes, yes.
An electrical installation does not have to be one age throughout. Older circuits can sometimes remain in service alongside newer wiring where inspection and testing show that they are in satisfactory condition and suitable for continued use.
Why Testing Matters Before Deciding
Without inspection and testing, it is easy to recommend more work than is actually necessary.
Testing helps identify which circuits are in satisfactory condition, which need repair and whether the installation would benefit from partial or complete rewiring.
The best rewiring plan is based on the condition of the installation — not on automatically replacing everything because some parts are old.
What Happens During a House Rewire?
A house rewire involves much more than replacing a few cables.
The work needs to be planned around the property, the way it will be used and how much access is available to walls, floors and ceilings.
The exact process varies from one home to another, but a typical rewire follows several main stages.
1. Initial Survey & Planning
Before work starts, the existing electrical installation is assessed and the new layout is discussed.
This is the stage to decide where you want:
Sockets
Light switches
Ceiling lights
Kitchen circuits
Cooker supplies
Electric shower circuits
Smoke and heat alarms
Outdoor power
Data or TV points
EV charger provision where relevant
Planning these details early helps avoid unnecessary changes once the installation work has started.
2. Safe Isolation & Preparation
The electrical supply is isolated as required and the property is prepared for the rewiring work.
Where possible, furniture and belongings should be moved away from the working areas so access to walls, floors and electrical points is easier.
3. First Fix Wiring
The first-fix stage involves installing the new cables and electrical routes before the final accessories are fitted.
This can include running wiring through floors, ceilings and walls and preparing positions for sockets, switches, lighting points and other electrical equipment.
Depending on the construction of the property, some lifting of floors or chasing of walls may be necessary.
4. Consumer Unit & Circuit Arrangements
The circuits are connected into the appropriate consumer unit arrangement with protective devices selected to suit the installation.
Depending on the design, this may include RCBO protection, surge protection and other protective measures appropriate to the property.
Read More About CONSUMER UNIT REPLACEMENT
5. Second Fix
Once the new wiring is in place and the building work allows, sockets, switches, light fittings and other accessories are installed and connected.
This is also where the finished electrical layout starts to become visible.
6. Inspection & Testing
The completed installation is inspected and electrically tested.
Testing confirms that the circuits, protective conductors, protective devices and other safety measures operate as intended before the installation is put into normal service.
7. Certification & Handover
After satisfactory testing, the appropriate electrical certification is completed.
The consumer unit and circuits are labelled clearly and we explain the main protective devices and any important points about the new installation.
Will There Be Damage to Walls or Floors?
A rewire can be disruptive, particularly in a finished and occupied property.
Some access to walls, ceilings or floors may be needed to install new cables. The amount of disruption depends on the construction of the property and whether renovation work is already underway.
Where possible, the work is planned to keep unnecessary damage and disruption to a minimum.
The best time to plan a rewire is before decorating, plastering or fitting new floors.
Good preparation can make the job much easier and reduce the amount of disruption later.
How Disruptive Is a House Rewire?
A house rewire can be disruptive, especially in an occupied and fully decorated property.
New cables may need to be routed through walls, ceilings and floors, and existing electrical accessories may need to be removed or replaced. The amount of disruption depends heavily on the construction of the property and whether renovation work is already taking place.
Empty Properties Are Easier to Rewire
Where a property is empty or being renovated, rewiring is usually much more straightforward.
Furniture can be removed, floor coverings can be lifted more easily and cable routes can be planned before plastering and decoration are completed.
This can reduce both working time and unnecessary disturbance to finished surfaces.
Will Floorboards Need to Be Lifted?
Sometimes.
Access below floors can be necessary for new circuits, particularly in older properties with suspended timber floors.
Where floor access is required, the aim is to lift only what is necessary to install the wiring safely.
Rewiring an Occupied Home
A rewire can still be carried out in an occupied property, but more planning is normally required.
Rooms may need to be cleared in stages and some electrical supplies may be unavailable while work is being carried out.
We’ll explain which areas need access and how the work can be organised as practically as possible.
Dust & Preparation
Rewiring can create dust and disturbance, particularly during chasing and drilling.
Before work begins, it helps to:
Move furniture away from working areas
Remove fragile or valuable items
Clear access to sockets and switches
Discuss fitted flooring or furniture that may restrict access
Plan decorating after the electrical work is complete
Will Walls Need Chasing?
In many traditional properties, new cable routes may require channels to be chased into walls before they are repaired and redecorated.
The amount of chasing depends on the construction of the property, existing cable routes and the final electrical layout.
Where suitable existing routes are available, these may help reduce unnecessary damage.
What About Plastering & Decorating?
Electrical rewiring and final decoration are usually separate stages.
Where walls need chasing, the electrical installation is completed first and the affected surfaces can then be repaired, plastered and redecorated as part of the wider project.
It is worth agreeing beforehand exactly what making-good work is included in the electrical quotation.
Can the Rewire Be Done in Stages?
Sometimes a partial or phased rewire can be practical, particularly during renovation work.
However, whether this makes sense depends on the condition of the existing installation, the layout of the circuits and what parts of the property are being refurbished.
A rewire is always easier before final decoration. Good planning, clear access and deciding the electrical layout early can significantly reduce unnecessary disruption.
What Should Be Included in a Modern House Rewire?
A modern house rewire should be planned around how the property is used today, not simply replace the old wiring like-for-like.
The final design depends on the property, the number of rooms, the electrical demand and any future improvements you may be considering.
Consumer Unit & Circuit Protection
The consumer unit should be selected to suit the final circuit arrangement.
Modern installations commonly use individual RCBO protection and surge protection, with other protective devices included where required or appropriate.
Smoke & Heat Alarm Provision
A rewire is a practical opportunity to review the property’s fire detection arrangement.
Where required or appropriate, mains-powered smoke and heat alarms can be included as part of the electrical installation.
Sufficient Socket Outlets
Older homes often have fewer sockets than modern households need.
A rewire is a good opportunity to improve socket provision so extension leads and multi-way adaptors are not relied on unnecessarily.
Sockets can be planned around:
Bedrooms
Living areas
Home offices
Kitchens
Utility rooms
Hallways
TV and media areas
Outdoor Power & Lighting
If you are planning garden lighting, outdoor sockets, sheds, garages or other external equipment, it is worth including these circuits during the rewiring design.
Planning them early usually makes the installation neater and avoids having to alter finished areas later.
READ MORE ABOUT OUTDOOR POWER & LIGHTS
Modern Lighting Circuits
Lighting can be designed around the way each room is actually used.
This may include ceiling lighting, wall lights, downlights, feature lighting, outdoor lighting and practical switching arrangements.
Where appropriate, the layout can also allow for dimmers or smart controls.
Smoke & Heat Alarm Provision
A rewire is a practical opportunity to review the property’s fire detection arrangement.
Where required or appropriate, mains-powered smoke and heat alarms can be included as part of the electrical installation.
Read more about Alarm installation
Electric Shower or Heating Circuits
Electric showers and other high-load fixed equipment may require dedicated circuits.
The cable size, protective device and circuit design depend on the electrical load and installation conditions.
EV Charger Provision
Even if you do not currently own an electric vehicle, a rewire can be a sensible time to consider future EV charging requirements.
Provision may include allowing suitable capacity, circuit routes or space within the electrical distribution arrangement for a future charger.
Data, TV & Smart Home Cabling
If walls and floors are already open, it may also be worth planning data, TV or smart-home cabling alongside the electrical work.
This can reduce the need to disturb finished surfaces later.
Future Capacity
A good rewire should not only solve today’s electrical needs.
Where practical, the design can allow some spare capacity for future circuits, extensions, outdoor equipment or changes in the way the home is used.
A rewire is the best opportunity to plan the electrical installation properly.
It is much easier to add the right circuits and cable routes before the walls, floors and ceilings are finished.
How Much Does a House Rewire Cost?
The cost of a house rewire depends on the size of the property, how much of the installation is being replaced, how easy the wiring routes are to access and whether the property is occupied or already being renovated.
A small partial rewire can be very different from rewiring a large, fully furnished house with several floors and extensive making-good work.
What Can Affect the Price?
Size and layout of the property
Full or partial rewire
Number of circuits
Number of sockets, switches and lighting points
Kitchen and high-load appliance circuits
Consumer unit requirements
Accessibility of floors, walls and ceilings
Whether the property is occupied
Amount of chasing and cable routing required
Outdoor circuits or additional supplies
EV charger or future circuit provision
Condition of the existing installation
Is Plastering Included?
Not always.
Electrical quotations can differ in what they include for chasing, making good, plaster repairs and decoration.
Before comparing quotations, check exactly what is included so you are comparing the same scope of work.
What if Faults Are Found During the Rewire?
Older properties can sometimes contain concealed problems that are not visible during the initial survey.
If additional work becomes necessary, we’ll explain what has been found and discuss any change to the agreed scope before carrying out extra work.
Empty Property vs Occupied Property
An empty property that is already being renovated is usually easier to rewire than a fully furnished and decorated home.
Clear access to floors, walls and rooms can reduce the time needed to install new cable routes and can make the work more straightforward.
Occupied properties often require more preparation, protection and staged working.
More Sockets and Circuits Affect the Cost
A modern rewire is rarely just a direct replacement of the old installation.
Additional sockets, dedicated kitchen circuits, outdoor power, improved lighting layouts and other new electrical requirements all increase the amount of installation work involved.
It is better to agree these details before the quotation is finalised.
Why We Don’t Use One Fixed Price for Every House
Two three-bedroom houses can require very different amounts of work.
One may already be empty with accessible floors and a simple layout. Another may contain several previous alterations, difficult cable routes and significantly more electrical points.
A quotation should therefore be based on the actual property and agreed electrical design.
Clear Quote Before Work Begins
Once the property has been assessed and the required electrical layout agreed, we can provide a clear quotation for the planned rewiring work.
The cheapest rewire is not always the best value. A good quotation should clearly explain what circuits, accessories, testing, certification and other work are included.
House Rewiring, Testing & Certification
A house rewire is not complete when the new sockets and switches are fitted.
The new electrical installation must be inspected and tested so the circuits, protective devices, earthing arrangements and other safety measures can be verified before the installation is handed back for normal use.
Inspection & Electrical Testing
Once the rewiring work is complete, the installation is inspected and electrically tested.
Depending on the circuits involved, testing can include checks on continuity, insulation resistance, polarity, earthing, protective devices and other characteristics required to verify the installation.
The purpose is to confirm that the completed electrical work has been installed and tested correctly before being put into service.
Electrical Installation Certificate
Following satisfactory completion of a house rewire, an Electrical Installation Certificate (EIC) is issued for the new installation work.
The certificate records details of the installation, inspection and test results and provides formal documentation for the electrical work completed.
The IET publishes the current Electrical Installation Certificate model form as part of BS 7671:2018+A4:2026.
Part P Building Regulations
In England, a house rewire is notifiable electrical work under Part P of the Building Regulations.
Where the work is carried out by an installer registered with an appropriate Competent Person Scheme for this type of work, the Building Regulations notification can be handled through that scheme rather than the homeowner making a separate Building Control application.
Building Regulations Compliance Certificate
The Building Regulations notification is separate from the Electrical Installation Certificate.
Where the work is self-certified through an authorised Competent Person Scheme, a Building Regulations compliance certificate is issued following notification of the work.
It is worth keeping both documents with your property records, particularly for future sale, rental or further building work.
Current Wiring Regulations
New rewiring work should be designed, installed, inspected and tested to the current requirements of BS 7671, the IET Wiring Regulations.
The current publication is:
BS 7671:2018+A4:2026 – IET Wiring Regulations, 18th Edition.
Clearly Labelled Circuits
As part of the completed installation, the consumer unit should be clearly labelled so individual circuits and protective devices can be identified.
We’ll also explain the main controls and protective devices so you know how the new installation is arranged.
What You Receive After a Rewire
Electrical Installation Certificate
Recorded electrical test results
Clearly labelled consumer unit and circuits
Building Regulations notification/compliance documentation where applicable
Explanation of the completed installation and protective devices
A professional rewire should leave you with more than new cables and sockets.
You should also have the testing and documentation that show what was installed and how the completed installation was verified.
How Long Does a House Rewire Take?
The time needed for a house rewire depends on the size of the property, how much of the installation is being replaced, how easy the cable routes are to access and whether the property is occupied.
A small partial rewire may be completed relatively quickly, while a full rewire in a larger or fully furnished home can take considerably longer.
Property Size
The number of rooms, floors and electrical circuits has a direct effect on how much work is involved.
A compact flat or small house will usually be quicker to rewire than a larger property with several bedrooms, multiple bathrooms and more electrical points.
Access to Walls, Floors & Ceilings
Cable routes can significantly affect the programme.
Suspended floors, accessible loft spaces and open renovation work can make installation easier, while finished floors, fitted furniture and difficult construction details may slow the process down.
Full Rewire vs Partial Rewire
A partial rewire normally takes less time because only selected circuits or areas are being replaced.
A full rewire involves much more first-fix wiring, second-fix work, testing and finishing across the whole property.
Number of Sockets, Lights & New Circuits
A simple rewiring layout takes less time than a project with a large number of new sockets, feature lighting, outdoor circuits, data points, kitchen supplies and other additions.
This is why agreeing the electrical layout before work starts is important.
Empty vs Occupied Property
An empty property is usually easier and faster to work in.
Clear access to floors, walls and rooms allows cable routes to be installed with fewer interruptions.
Occupied homes often need more preparation, protection and staged working so parts of the property can remain usable.
Other Building Work
A rewire often forms part of a larger renovation project.
Plastering, kitchen installation, flooring, decorating and other trades can affect when electrical first fix and second fix can be completed.
Good coordination between trades helps avoid unnecessary delays.
Testing & Certification
The electrical installation still needs to be inspected and tested after the physical installation work is complete.
Testing should not be rushed simply to finish the job sooner.
Can We Give an Exact Timescale Before Starting?
Once the property has been assessed and the rewiring scope is agreed, we can give you a realistic expected programme for the work.
Unexpected problems in older properties can occasionally affect that timescale, but we’ll explain any significant changes if they arise.
A well-planned rewire is usually much smoother than one where sockets, lighting and circuit requirements are being decided halfway through the job.
House Rewiring Across Liverpool, Birkenhead & the Wirral
Dan Electrician provides full and partial house rewiring for homeowners, landlords and renovation projects across Liverpool, Birkenhead and the wider Wirral.
Whether the property has older wiring, is undergoing major refurbishment or needs selected circuits replaced, the existing installation is assessed first so the scope of the rewire is based on what the property actually needs.
House Rewiring in Liverpool
We carry out rewiring work across Liverpool for older terraces, family homes, rental properties and renovation projects.
Typical work can include full rewires, partial rewires, new kitchen circuits, additional sockets, lighting upgrades, consumer unit work and electrical installation planning during refurbishment.
Rewiring During Renovation Projects
If a property is being stripped back, extended or completely refurbished, it is often the best time to plan the electrical installation properly.
Sockets, lighting, kitchen circuits, outdoor supplies, EV charger provision and future electrical demand can all be considered before walls, ceilings and floors are finished.
House Rewiring in Birkenhead
Dan Electrician is based in Birkenhead and regularly works on properties throughout the local area.
Older homes and properties that have been altered over many years can contain several generations of electrical work, so inspection and testing are important before deciding whether a partial or full rewire is appropriate.
House Rewiring for Landlords
Where inspection or testing shows that part or all of a rental property needs rewiring, the work can be planned around access, tenants and other remedial work.
An unsatisfactory EICR does not automatically mean a full rewire, so the recommendation should still be based on the actual condition of the installation.
Rewiring Across the Wirral
Coverage extends across the Wirral, including areas such as Wallasey, Prenton, Bebington, Upton, Heswall, West Kirby, Hoylake and Bromborough.
We provide rewiring for occupied homes, empty renovation projects and rental properties where the installation needs significant improvement.
Not Sure Whether You Need a Rewire?
If you have older wiring, recurring faults or a renovation project but are not sure how much electrical work is actually necessary, the best first step is to assess the existing installation.
Depending on the situation, that may involve focused fault finding, an EICR or a rewiring survey.
A rewire should solve a real electrical need, not simply replace an installation because of its age.
House Rewiring FAQs
How Do I Know if My House Needs Rewiring?
The age of the property alone does not tell you whether a rewire is necessary.
Inspection and testing are more useful for deciding whether the wiring is in satisfactory condition, whether individual circuits need repair or whether a partial or full rewire is justified.
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No.
An older fuse box or consumer unit does not automatically mean the wiring throughout the property needs replacing.
The consumer unit, circuits, earthing arrangements and overall installation should be assessed separately.
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Yes, where the condition of the installation allows it.
A partial rewire may be suitable if only one area or group of circuits needs replacement, or where a renovation is being completed in stages.
The decision should be based on testing and the condition of the existing circuits.
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A rewire can be disruptive, particularly in an occupied and decorated property.
Access may be needed to walls, floors and ceilings, and some areas may need to be cleared before work begins.
Empty or renovation-stage properties are generally easier to rewire.
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yes.
Whether this is practical depends on the size of the property, the scope of the work and how the electrical installation can be isolated and completed in stages.
We’ll explain what areas will be affected and whether staying in the property is realistic before the work begins.
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Possibly.
Where new cable routes require chasing into walls, those areas will need making good afterwards.
The quotation should make clear what making-good work is included and what will need to be completed separately.
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Yes. Full rewire usually involves fitting new accessories as part of the new installation.
The final socket, switch and lighting layout should be agreed before the work begins.
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Often, a rewire will involve reviewing or replacing the consumer unit so the new circuit arrangement has suitable protection.
However, the exact requirement depends on the existing equipment and the design of the new installation.
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Yes.
Following satisfactory completion and testing, an Electrical Installation Certificate is issued for the new installation work.
Where the work is notifiable under Part P in England, the relevant Building Regulations notification or compliance documentation should also be provided.
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Yes.
A full house rewire in England is notifiable electrical work under Part P of the Building Regulations.
Where the work is self-certified through an appropriate Competent Person Scheme, the notification can be handled through the scheme.
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Sometimes.
A phased or partial approach may be practical during a renovation, but it depends on the existing circuit layout and whether the older parts of the installation can remain safely in service.
A rewiring plan should be agreed before beginning staged work.
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Not always.
If the installation is clearly being fully replaced as part of a major renovation, a separate EICR may not always be necessary.
However, where there is uncertainty about the condition of the existing wiring or whether a full rewire is justified, inspection and testing can help determine the appropriate scope.
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The timescale depends on the size of the property, whether the house is occupied, how accessible the cable routes are and how many sockets, lights and circuits are included.
Once the property has been assessed and the electrical layout agreed, we can give a realistic expected programme.
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Yes.
We provide full and partial rewiring for landlords across Liverpool, Birkenhead and the Wirral.
Where an EICR has identified defects, the recommended work should still be based on the actual condition of the installation rather than assuming every unsatisfactory report requires a full rewire.
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Call Dan on 07400 238767 or send a quote request with:
Property type
Number of bedrooms
Whether the property is occupied or empty
Whether renovation work is taking place
Your postcode
Any known electrical problems
Any additional sockets, lighting or new circuits you are planning
The more information we have at the beginning, the easier it is to plan the survey and quotation.
Not sure whether you need a full rewire, partial rewire or just repairs? Tell Dan what you are concerned about and we’ll advise on the best starting point.