A full house rewire in the UK typically costs between roughly £3,000 and £8,000 for a three-bedroom property, according to published national trade price guides — but your quotation will depend on property size, wiring condition, access, and how much of the installation needs replacing. RIGS Electrical does not publish fixed rewire prices; every home is surveyed before a written quote is issued.
This guide explains what a rewire includes, what drives the price, how partial work compares to a full rewire, and what to ask before you commit. If you are planning work in Tring or nearby Hertfordshire and Buckinghamshire villages, the same cost principles apply; only the survey and quotation are specific to your property.
What a Full House Rewire Actually Involves
A full rewire replaces the fixed wiring from the consumer unit to sockets, switches, light points, and fixed appliances. It usually includes:
- A new or upgraded consumer unit with modern circuit protection (RCD/RCBO devices as required by BS 7671)
- New cabling routed through walls, floors, and ceilings
- Replacement or addition of socket outlets, switches, and lighting points to an agreed layout
- Testing and certification on completion
- Part P notification when work is carried out by a registered competent person (Electrical Safety First)
It does not automatically include major plastering, decoration, or structural alterations — though chasing cables into walls and making good surface finishes are normal parts of the job and should be clarified in your quote.
A rewire is disruptive. Power is off for extended periods, furniture may need moving, and floorboards or loft boards are often lifted. Most three-bedroom homes take roughly five to ten working days for a full rewire, though complex layouts or restricted access can extend that.
UK Benchmark Cost Ranges (External Sources — Not RIGS Prices)
The figures below are published UK market ranges from trade price guides. They are useful for budgeting; they are not RIGS quotations and will not match every property.
| Property type | Published UK range (indicative) | Source type |
|---|---|---|
| 1-bed flat | £3,000–£4,800 | National trade guides |
| 2-bed house | £4,800–£6,000 | National trade guides |
| 3-bed house | £4,450–£8,000 | Checkatrade / MyBuilder |
| 4-bed house | £6,080–£9,380 | National trade guides |
| 5-bed house | £7,500–£12,500 | National trade guides |
Checkatrade and MyBuilder update these figures regularly; treat them as ballpark national benchmarks, not a promise of what any individual electrician will charge in your postcode.
Regional variation is real. Labour rates, parking, travel, and local demand all affect quotations. The only reliable figure for your home is a written itemised quote after an on-site survey.
What Affects Your Individual Quotation
Several factors move a rewire quote up or down regardless of bedroom count:
Property size and circuit count More rooms, more sockets, more lighting circuits, and dedicated circuits for cookers, showers, or EV supplies all add material and labour.
Condition of existing wiring If the current installation uses obsolete cable types, has been heavily altered over decades, or shows defects on an EICR, remedial work beyond a straight swap may be needed.
Access and building fabric Solid walls, limited loft access, finished basements, or properties where cables cannot be run through voids may require more chasing and making good.
Consumer unit and earthing An upgrade from an old fuse board to a modern metal consumer unit with RCBO protection is often part of a rewire. Main earthing and bonding to gas and water services must meet current standards — upgrading these adds cost if they are inadequate.
Occupied vs vacant Rewiring while you live in the property is slower and more complex than rewiring an empty house between owners.
Specification choices USB sockets, smart switching, outdoor circuits, additional kitchen appliance points, and future-proofing for higher loads all affect the final price.
Making good Some electricians include basic making good; others quote electrical work only and leave plastering to a separate tradesperson. Clarify this before work starts.
Partial Rewire vs Full Rewire: Cost Implications
A partial rewire targets one floor, an extension, or circuits that have failed an EICR — it costs less in absolute terms because less cable and fewer accessories are replaced. Published guides often suggest partial work can be 30–50% of a full rewire for the area covered, but that ratio varies widely.
Partial work only makes sense when the rest of the installation is demonstrably sound. An EICR or thorough inspection should confirm that. Replacing wiring in one room while leaving degraded cable elsewhere can leave you with a mixed-age installation that is harder to maintain and may fail a future inspection.
See our guide on full vs partial rewire decisions for how to tell which route fits your situation.
Other Costs to Budget For
A rewire quote may not include everything you need for a finished home:
- EICR before work — if you do not already have a recent report, an inspection (£100–£250 is a common national range for a typical domestic property) helps scope the job
- Building control / Part P certificate — included when you use a registered competent person; otherwise notification fees apply
- Plastering and decoration — after cable chasing
- New fittings — light fittings, cooker switches, or appliances are often owner-supplied
- Furniture storage or alternative accommodation — practical costs during a disruptive rewire
How to Get an Accurate Quote
1. Book a site survey — photos and descriptions are not enough for a fixed price on a rewire 2. Ask for an itemised quotation — consumer unit, circuit count, accessories, testing, certification, and making good should be listed separately where possible 3. Confirm Part P registration — the electrician should be registered with a competent person scheme (NICEIC, NAPIT, or equivalent) and issue the correct certification 4. Compare like for like — one quote for six circuits and another for twelve are not comparable 5. Check what happens if defects are found mid-job — ask how additional remedial work is priced
RIGS Electrical is based in Tring and covers domestic rewiring across Hertfordshire and nearby Buckinghamshire border towns. Request a house rewiring quote after a survey — we do not quote rewire prices without seeing the property.
Is a Rewire Worth It?
A rewire is a significant investment, but it addresses safety defects that small repairs cannot fix. Modern wiring with RCD protection, adequate circuit capacity, and clear labelling reduces fire and shock risk and makes future alterations safer.
If you are buying a property, selling one, or have received C1 or C2 codes on an EICR, understanding rewire costs helps you plan negotiations and timing. Our guide on electrical checks when buying a house in Tring covers the purchase side in more detail.
Frequently Asked Questions
How much does it cost to rewire a 3-bed house in the UK? Published national guides typically quote £4,450–£8,000 for a three-bedroom house, depending on location and specification. Your quotation may fall inside or outside that range.
Can I stay in the house during a rewire? Often yes, but room by room, with power off for periods. Many owners prefer to schedule work between tenancies or during a renovation when the property is partly empty.
Does a rewire include a new consumer unit? Almost always. A rewire and a modern consumer unit go together; the unit must be sized for the new circuit layout and protection requirements.
Is a rewire tax-deductible? For owner-occupiers, rewiring is normally a capital improvement, not an income-tax deduction. Landlords may treat certain safety work differently — ask your accountant.
How long is a rewire quote valid? Quotes typically expire after 30–90 days. Material prices and availability can change; confirm validity in writing.
Do I need building regulations approval for a rewire? Rewiring is notifiable work under Part P in England and Wales. A registered electrician self-certifies; unregistered work must be notified to building control. See Electrical Safety First guidance on Part P.
*Cost ranges in this article are attributed to published UK trade guides unless stated otherwise. They are not RIGS Electrical prices. Obtain a written quotation for work at your property.*