Based in Congresbury
Start to finish
Fixed Pricing
Based locally
– PRICING
Congresbury building work pricing depends on project size. Extensions typically begin at £25,000. Porches start from £15,000. Refurbishment costs vary based on property condition and finish spec.
Most Common
Ground floor or two-storey builds. Rear extensions, kitchen adds, side infills. Complete builds from dig to finish, groundwork, structure, internals, the lot.
Most Common
* Extension builds typically run 10–14 weeks. Refurbishment timescales depend on property size and existing condition, usually 12–16 weeks. Everything priced upfront. Labour, materials, waste, permits. Once you agree the quote, that number sticks through completion, unless changes are made during the process.
– OUR PROCESS
Design & Approvals
Once drawings are prepared, engineers appointed, and planning approved, we manage the build start to finish, handling all approvals and final certification.
Foundations & Build
Ground prepared, foundations poured, walls built, roof completed. Structure goes up solid before we touch any internals.
Services & Internals
Wiring, pipes, insulation, boarding. Windows in, floors down, walls plastered. Property becomes watertight and ready for finishing.
Completion & Handover
Final fittings installed, decoration complete, floors finished. Building control signed off, snagging cleared, keys ready.
– WHY OVERSTONES
Operating from Congresbury across North Somerset. We handle residential work regularly, know local builders merchants, understand planning requirements, familiar with typical property builds around the area.
Same crew quote your job, run the site, and sign it off. No handoffs between sales, project managers, and whoever shows up that day.
Everything priced upfront. Labour, materials, waste, permits. Once you agree the quote, that number sticks through completion.*
Work runs daily without disappearing to other jobs. We deliver your project before taking on the next large project.
Snagging cleared before final payment. Building regs signed. You get keys to a finished job, not a list of things we'll come back to.