Summer 2026 is prime building season — long days and dry weather mean faster project completion. Book your builder now.
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A builder in the UK typically costs £1,000–£10,000 in 2026. TradeMatch connects homeowners with vetted, insured builder professionals across 200 UK locations. Post your job free, compare up to 5 quotes, and pay securely through escrow protection.
General building services including extensions, renovations and structural alterations. Compare quotes from vetted builder professionals across the UK. Typical cost: £1,000–£10,000.
Quick answer
What does a builder do?
General building services including extensions, renovations and structural alterations. UK builder costs typically range from £1,000–£10,000, depending on the complexity of the job and your location. TradeMatch connects you with background-checked, insured builder professionals reviewed by real homeowners. Post your job free and compare up to 3 quotes.
The Complete Guide to Hiring a Builder in 2026
A builder provides general building services including extensions, renovations and structural alterations. Whether you need routine maintenance, emergency repairs, or a major installation project, a qualified builder has the skills, tools and experience to complete the work safely and to a high standard. On TradeMatch, every builder is vetted, background-checked, and holds verified public liability insurance — giving you peace of mind that your project is in safe hands.
When Should You Hire a Builder?
- •You notice something that needs professional builder attention — don't wait for small issues to become expensive problems.
- •You're planning a renovation or home improvement project that requires specialist builder skills.
- •You need work that must comply with UK building regulations, safety standards, or manufacturer warranties.
- •You want a professional assessment, survey or quote before committing to a larger project.
- •You need ongoing maintenance to keep your property in good condition.
BuilderQualifications & Credentials to Look For
When hiring a builder, always verify their qualifications. The following are the key credentials and trade body memberships regulated by Federation of Master Builders (FMB) / NHBC:
On TradeMatch, we verify all of these credentials before any builder can quote on jobs.
UK accreditations every builder on TradeMatch is checked against
Every tradesperson is verified against the UK accreditation bodies that matter for the work — before they can quote.
Builder Hiring Checklist
Use this checklist before hiring a builder to ensure you get quality work at a fair price:
- 1Verify qualifications: CSCS Card
- 2Confirm valid public liability insurance (minimum £1 million cover)
- 3Check reviews from previous customers — look for consistent quality and reliability
- 4Get at least 3 written quotes that itemise labour, materials and VAT
- 5Ask for references and examples of similar completed work
- 6Agree a detailed scope of work and timeline in writing before work starts
- 7Confirm payment terms — TradeMatch escrow protects both homeowner and tradesperson
- 8Check whether Building Control notification or planning permission is required
Red Flags When Hiring a Builder
Watch out for these warning signs when getting quotes for builder work:
- ✗No verifiable qualifications or trade body membership
- ✗Requests full payment upfront before any work has started
- ✗No public liability insurance or unwilling to provide proof
- ✗Pressures you to make a quick decision without time to compare quotes
- ✗Cannot provide references or examples of previous work
- ✗Unusually low quotes that seem too good to be true
TradeMatch eliminates these risks — every builder is vetted, insured, and payments are escrow-protected.
Best Time to Hire a Builder
You can hire a builder at any time of year, but planning ahead and booking during off-peak months (typically late autumn to early spring) can help you get better availability and potentially lower prices. For emergency work, TradeMatch has professionals available for same-day callouts.
Looking for a Builder Near You?
Browse vetted builder professionals across 200 UK cities.
Average Builder Costs in 2026
| Job | Low | Average | High |
|---|---|---|---|
| Single-storey extension | £15,000 | £30,000 | £50,000 |
| Loft conversion | £20,000 | £40,000 | £65,000 |
| Garage conversion | £5,000 | £12,000 | £20,000 |
| Wall removal | £500 | £1,500 | £3,000 |
| Porch build | £2,000 | £4,500 | £8,000 |
Prices are estimated UK averages for 2026. Actual costs vary by location, materials and scope of work.
Builder Services
House Extension
Single and double storey extensions, side returns and wrap-around builds
£15,000–£50,000Loft Conversion
Dormer, hip-to-gable, mansard and Velux loft conversions with full project management
£20,000–£65,000Garage Conversion
Garage to living space conversions including insulation, heating and finishing
£5,000–£20,000Structural Alterations
Load-bearing wall removal, steel beam installation and structural modifications
£1,000–£5,000Find a Builder by Location
Builder — Frequently Asked Questions
How much does a builder cost in the UK?▾
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How to Hire a Builder on TradeMatch
Post Your Job
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Get Free Quotes
Receive up to 3 quotes from vetted builder professionals near you.
Hire & Review
Compare reviews, choose the best quote, and leave a review when the job is done.
BuilderQuestions & Answers
Browse questions from homeowners about hiring a builder, costs, and what to expect.
Related Articles
Related Trades
Extension Builder
Single and double storey house extensions and side returns
Loft Conversion Specialist
Dormer, hip-to-gable, mansard and Velux loft conversions
Bricklayer
Bricklaying for walls, extensions, garden walls and repointing
Scaffolding Contractor
Scaffolding erection, hire and dismantling for residential and commercial
How TradeMatch wins for Builder work
Side-by-side with the four most-searched UK trade platforms. No subscription fees, up to 5 competing quotes, escrow-protected payments — three things every other platform misses.
| Feature | TradeMatch | Checkatrade | MyBuilder | Bark | Rated People |
|---|---|---|---|---|---|
| Up to 5 quotes | ✓ | Browse | Up to 5 | Varies | Up to 3 |
| Escrow payment protection | ✓ | ✗ | ✗ | ✗ | ✗ |
| No tradesperson subscription | ✓ | £50+/mo | ✓ | Credits | £15+/mo |
| Verified reviews (live) | ✓ | 5-day delay | ✓ | Mixed | ✓ |
| Background + qualification checks | ✓ | ✓ | Light | Basic ID | ✓ |
| Dispute resolution team | ✓ | ✗ | ✗ | ✗ | ✗ |