Trusted Builders
in Southend on Sea
- Fully vetted and reviewed Southend on Sea builders
- Extensions, kitchens, bathrooms, loft conversions & roofing
- Free quotes — no commitment required
- Work guaranteed, fully insured tradespeople
Your details are private & never sold.
What Our Southend on Sea Builders Do
All services →Single-storey, double-storey, rear and side extensions built to your design.
Velux, dormer, hip-to-gable and mansard loft conversions in Southend on Sea.
Full kitchen redesign, supply and fit by experienced Southend on Sea kitchen fitters.
Luxury and budget bathroom installations. Full project management available.
Block paving, resin, tarmac and concrete driveways with fast turnaround.
New roofs, repairs, flat roofing and emergency call-outs in Southend on Sea.
Why Choose BestBuilders in Southend on Sea?
Southend-on-Sea is one of the UK's most active home renovation markets. With a diverse range of properties across the area, from period homes to modern new builds, local builders need to be versatile, skilled, and reliable.
BestBuilders vets every builder in our Southend-on-Sea network. We check for public liability insurance, relevant trade qualifications (CIOB, FMB, Gas Safe, NICEIC), and a minimum of five verified customer reviews before any builder can appear on our platform.
Whether you are planning a rear extension, a loft conversion, or a full kitchen renovation in Southend-on-Sea, we will connect you with the right specialist within 24 hours. All quotes are free and there is no obligation to proceed.
Start My Free Quote →Average Building Costs in Southend on Sea
| Single-storey extension | £ 27,000 – £54,000 |
| Double-storey extension | £ 54,000 – £97,000 |
| Side Extension | £ 17,500 – £40,500 |
| Dormer loft conversion | £ 37,000 – £64,000 |
| Hip-to-Gable Conversion | £ 40,500 – £73,500 |
| Mansard Conversion | £ 46,000 – £90,000 |
| Budget Kitchen | £ 4,500 – £13,000 |
| Kitchen renovation | £ 8,000 – £27,000 |
| Premium Kitchen | £ 17,500 – £35,000 |
| Bathroom renovation | £ 4,000 – £16,000 |
| En-Suite Bathroom | £ 4,000 – £14,500 |
| Luxury Wet Room | £ 5,000 – £24,000 |
| Driveway | £ 2,000 – £10,000 |
| Resin Bound Driveway | £ 2,500 – £12,000 |
| Tarmac Driveway | £ 1,000 – £5,500 |
| Roof Repair | £ 1,500 – £5,500 |
| Roofing | £ 3,000 – £16,000 |
| Flat Roof | £ 2,500 – £13,500 |
Indicative prices for Southend on Sea area. See full cost guides →
Southend on Sea Homeowners Trust BestBuilders
Found an excellent builder through BestBuilders for our extension project. The quote process was straightforward, the builder was professional throughout and the finished result exceeded our expectations.
We used BestBuilders to find a loft conversion specialist. Received 3 competitive quotes within 48 hours and the builder we chose delivered on time and on budget. Highly recommended.
Good experience overall. The kitchen renovation was completed to a high standard. Minor delays on materials but the builder kept us informed. Would use BestBuilders again.
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Builders Near Southend on Sea
We also cover builders in towns and areas surrounding Southend on Sea.