- July 14, 2026
- By
- Blog
A rewire is one of those jobs homeowners often put off because the disruption sounds daunting. Yet when wiring is old, damaged or no longer suitable for modern demand, delaying it can mean repeated faults, inconvenient limitations and, more seriously, an avoidable safety risk. Understanding house rewire cost helps you make a properly informed decision rather than choosing purely on the lowest figure.
The price is not based simply on the number of rooms. Access, the age and construction of the property, the number of circuits required, the condition of the existing installation and how much making-good is needed all have a bearing. A clear quotation should explain what is included, what is excluded and where the costs may change.
What does a house rewire cost?
For a typical occupied property, a full rewire commonly starts at around £3,500 for a smaller two-bedroom home and can rise to £7,000 or more for a larger, more complex house. Period properties, homes with difficult access, high-specification finishes or substantial electrical upgrades can cost more.
These figures are useful for early budgeting, but they are not a substitute for a survey. Two houses with the same number of bedrooms can need very different amounts of work. One may have accessible floor voids and straightforward routes for new cables; another may have solid walls, extensions, converted lofts and finishes that are difficult to lift and reinstate.
A proper quote follows an inspection of the property and a conversation about how you use it. That is the best way to avoid vague allowances and surprises once work has started.
What is normally included in a full rewire?
A full rewire generally involves removing or safely disconnecting redundant wiring where practical, installing new cables and circuits, fitting a modern consumer unit, replacing sockets and switches, and testing the completed installation. The work should be designed and carried out in line with BS 7671 and current 18th Edition requirements.
It may also include new lighting points, smoke or heat alarms, extractor fan supplies, cooker connections, outdoor power, data cabling or provision for electric vehicle charging. These items should be listed individually, as they can change both the scope and the final cost.
Testing, certification and notification where required are not optional extras. They demonstrate that the installation has been inspected, tested and left safe for use. If a price seems unusually low, check whether it includes a consumer unit, testing, certification and all required accessories rather than assuming they are covered.
The main factors that change the price
The size of the property matters, but the detail matters more. Larger homes usually need more cable, more circuits, more accessories and more labour. However, a compact older terrace can take longer than a newer detached property if cables have to be chased into solid masonry throughout.
The existing condition of the electrical system also affects the work. Old rubber, fabric or aluminium cabling, a dated fuse board, poor alterations by previous occupants and inadequate earthing can all point towards a full replacement rather than a small upgrade. A previous Electrical Installation Condition Report, if you have one, is helpful background, but an electrician still needs to assess the property before pricing the work.
Access is another major consideration. Lifted floorboards, accessible loft spaces and empty rooms make cable routes simpler. Fitted wardrobes, tiled walls, expensive flooring, occupied rooms and limited loft access require more care and time. Properties built with concrete floors or solid internal walls may need alternative routes and more surface preparation.
Your specification has a direct effect too. A standard white socket costs less than decorative metal accessories, USB outlets, dimmable lighting, smart controls or a carefully planned garden lighting system. There is nothing wrong with choosing higher-specification fittings, but it is better to decide early so the quote reflects what you actually want.
Full rewire or partial rewire?
A partial rewire can be appropriate when only a clearly defined part of the installation needs upgrading, such as an extension, kitchen, loft conversion or damaged circuit. It can cost less initially and reduce disruption, provided the existing installation is safe, compatible and capable of being sensibly retained.
It is not always a saving. Joining new work to ageing wiring can create limitations, and further faults may mean more work later. Where a property has widespread old cabling, no reliable earthing or several signs of poor previous work, a full rewire is often the safer and more economical long-term choice.
This is why a competent electrician should explain the reasoning behind the recommendation. You should know whether the work is essential for safety, advisable because of the installation’s condition, or an optional improvement to suit planned renovations.
Budget for making good separately
Electrical work is often described as first fix and second fix. During first fix, cables and back boxes are installed before walls and floors are finished. Second fix is when sockets, switches, lights and the consumer unit are connected, followed by testing.
Getting cables into the right places may involve lifting carpets, taking up floorboards or chasing walls. Electricians will work carefully and keep disruption to a minimum, but plastering, decorating, joinery, replacement tiles and specialist flooring repairs are often outside the electrical quote. Ask this question before accepting any price: exactly what making-good is included after cables have been installed?
Some homeowners choose to coordinate a rewire with a renovation, new kitchen or redecorating project. This can be a sensible way to reduce the visible impact of the work and gives you the opportunity to place sockets, lighting and switches where they will genuinely be useful.
How to get a like-for-like rewire quote
A detailed quotation is far more valuable than a single total with little explanation. Before requesting one, think about your day-to-day needs. Where do you charge mobile phones? Will you work from home? Do you want bedside switches, kitchen under-cabinet lighting, a powered shed, security cameras or additional sockets for appliances? Small decisions made before work starts are much easier than changes once walls are open.
When comparing quotes, check the number and location of sockets, switches and light fittings; whether new smoke and heat alarms are included; the consumer unit and protective devices proposed; the quality of accessories; certification; and the approach to making good. Also ask whether the property needs to be vacant. Many rewires can be completed in occupied homes, but there will be periods without power and rooms will need to be cleared and accessed.
Be cautious of a price that is dramatically lower than the others. It may be a genuine difference in overheads or specification, but it may also omit necessary testing, use limited allowances for fittings, or exclude work that another electrician has properly allowed for. Clear scope beats a tempting headline number.
Reducing disruption without cutting corners
A rewire is intrusive, but good planning makes a real difference. Remove fragile items, clear furniture away from walls where possible and identify rooms that must remain usable. If you are staying in the property, agree a sensible sequence of work and discuss how power will be managed for essentials such as refrigeration, heating controls and internet equipment.
Do not reduce the cost by asking for fewer circuits where the design needs them, keeping visibly damaged cables in service or skipping inspection and testing. These are false economies. The aim is a safe installation that meets your present needs and leaves room for sensible future additions.
For homeowners and landlords around Chester, Gerrard’s Electrical Solutions can inspect the installation, explain the findings in plain English and provide a clear quotation for the work required. A rewire should leave you with more than new sockets and a tidy consumer unit – it should give you confidence that the electrical system behind your walls is safe, compliant and ready for the way you live.