How much does renovation contractor cost in United Kingdom?
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Key takeaways
- Most renovation contractor jobs in United Kingdom land between £3,000–£150,000 — known locally as builder / main contractor.
- The UK has no general builder's licence — anyone can trade as a builder — so verification falls on scheme memberships (TrustMark, FMB) and mandatory rules for specific trades: Gas Safe registration for gas and Part P compliance for domestic electrics. Structural alterations need Building Regulations approval, and non-compliance surfaces at sale time via missing completion certificates.
- Prices below are researched national ranges, updated July 2026 — not quotes.
Renovation Contractor prices by job size in United Kingdom
| Job size | Low | Typical | High |
|---|---|---|---|
| Single-room refresh Replastering, flooring, decoration, and fixture swaps in one room | £3,000 | £7,000 | £15,000 |
| Kitchen or bathroom renovation Full refit of one wet room through a main contractor | £6,000 | £12,000 | £25,000 |
| Multi-room renovation Several rooms including some rewiring or plumbing alterations | £15,000 | £35,000 | £70,000 |
| Whole-house refurbishment Full internal refurbishment of a 3-bed house | £40,000 | £75,000 | £150,000 |
Per-unit rates
| Unit | Low | Typical | High |
|---|---|---|---|
| per day (general builder) | £200 | £280 | £450 |
| per square metre (full refurbishment) | £800 | £1,500 | £2,500 |
What affects the price
- Job size and scope — bigger or more complex jobs move you up the ranges above.
- Access and condition — hard-to-reach areas, older properties or neglected maintenance add labour time.
- Materials and quality level — where materials are involved, the grade you choose often matters more than labour.
- Urgency — same-day or out-of-hours work usually carries a premium.
- Where you live — large metros in United Kingdom typically run above the national range; smaller towns below it.
How to save
- Get at least three quotes and compare like-for-like scopes, not just totals.
- Be flexible on timing — off-peak slots are often cheaper.
- Bundle related tasks into one visit to spread call-out costs.
- Agree the scope in writing up front to avoid change-order surprises.
How to hire a renovation contractor pro in United Kingdom
- Check TrustMark registration or Federation of Master Builders (FMB) membership, and read recent reviews on Checkatrade or MyBuilder
- Agree the Building Regulations route before work starts — via local authority Building Control or an approved inspector; competent-person schemes can self-certify some work
- Confirm any gas work will be done by a Gas Safe registered engineer and electrical work by a Part P registered electrician
- Visit or call two recent local jobs as references
- Use a written contract (a JCT Home Owner contract is the standard template) with staged payments tied to milestones
- Ask for proof of public liability insurance of at least £2 million
Red flags
- Cash-only pricing with no VAT invoice from a firm clearly above the VAT threshold
- Refuses a written contract or wants payment ahead of work stages
- Vague about Building Regulations sign-off or suggests you 'don't need building control'
- Door-knocking builders who 'noticed a problem' with your property
- No fixed business address or a quote on unheaded paper
How Handld researches prices
These are researched estimates, not quotes and not our transaction data. We compile ranges from published sources — national statistics, trade bodies and incumbent cost guides — normalise them to GBP, and adjust city pages by a population-based cost tier. Last updated July 2026. Basis: Checkatrade renovation and refurbishment cost guides (checkatrade.com); Federation of Master Builders cost breakdowns (fmb.org.uk); MyBuilder price guides (mybuilder.com).
Frequently asked questions
What are variations (change orders) and how do I keep them under control?
A variation is any change to the agreed scope after signing — moving a wall, upgrading tiles, fixing a hidden problem. Insist every variation is priced and approved in writing before the work happens. Most renovation budget blowouts are not the original quote being wrong; they are dozens of verbally-approved variations nobody tracked.
Can I live in my home during a renovation?
Usually yes for single-room projects if water and power stay connected to the rest of the home; usually no for whole-home work involving dust-heavy demolition or when the only kitchen or bathroom is out of service for weeks. Ask the contractor to phase the works so one bathroom stays functional, and budget for short-term accommodation on gut renovations.
What can I do if the work is defective or the contractor disappears?
Document defects in writing with photos, give the contractor a written chance to fix them within a set period, and withhold only the retention amount — not all payment — while they do. If they abandon the job, your remedies are your contract, any licensing body's complaint process, consumer protection agencies, and small claims court. This is why the paper trail and staged payments matter from day one.
Is it cheaper to renovate in stages or all at once?
One combined project is almost always cheaper per unit of work: a single mobilization, one round of demolition and dust protection, and better contractor pricing on a larger contract. Stage the work only if cash flow requires it, and sequence it so you never redo finished work — for example, complete all plumbing and electrical changes before any room gets its final finishes.
What does a renovation contractor actually do?
A renovation contractor (general contractor or main builder) manages your whole project: pricing the job, scheduling and supervising trades like electricians and plumbers, ordering materials, arranging permits where needed, and being the single party responsible for quality and timeline. You pay one contract price instead of coordinating five separate trades yourself.
Should I hire a general contractor or manage the trades myself?
Manage trades yourself only if the job involves one or two trades and you can be on site regularly. Once a project needs sequencing (demolition, then rough plumbing and wiring, then walls, then finishes), a contractor typically saves more in avoided rework and delays than their 10-20% management margin costs.
What does a builder charge per day in the UK?
General builder day rates typically run £200-£320 per day outside London and £300-£450 in London and the South East. Most renovation work is quoted as a fixed project price rather than day rate — Checkatrade cost guides put a full house refurbishment at roughly £800-£2,500 per square metre depending on spec.
Do I need planning permission or just Building Regulations?
They are separate systems. Most internal renovations need no planning permission, but structural work, new drainage, electrics, and replacement windows must comply with Building Regulations and get signed off. Extensions and external changes may need planning permission too — check with your local authority before committing to a design.
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