Based in Congresbury

Local Builders who get the job done.

House extensions, complete refurbishments, and property conversions in Congresbury. We run residential building projects from design stage to final handover. Locally based, covering North Somerset.

One Team

Start to finish

No Extras

Fixed Pricing

Congresbury

Based locally

Overstones Design & Build Single Level Extension

– PRICING

What Residential
Building Projects Cost

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

Property Extensions

From £25,000

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

Property Refurbishment

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Full renovations. Gut and rebuild dated properties. New services, finishes, fittings. Everything needed to bring houses up to modern spec.

* 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

How Building Projects Run

Design to handover. We coordinate approvals, manage trades, keep projects moving without gaps or delays.


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

Why Congresbury Properties Use Us

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.

Consistent Team

Same crew quote your job, run the site, and sign it off. No handoffs between sales, project managers, and whoever shows up that day.

No Price Surprises

Everything priced upfront. Labour, materials, waste, permits. Once you agree the quote, that number sticks through completion.*

Continuous Progress

Work runs daily without disappearing to other jobs. We deliver your project before taking on the next large project.

Completed Properly

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.

Got a Building Project in Mind?

Ring for pricing or request a written quote. We’ll assess the work, provide fixed costs, and start when you’re ready to go.