CB3 · Grantchester · Cambridge
Extensions in Grantchester
We design and build rear, side, wraparound and two-storey extensions in Grantchester — including in conservation areas and on listed properties.
Grantchester · CB3
Grantchester
Working in Grantchester.
Grantchester — a village south-west of Cambridge with thatched cottages, Georgian houses and a strong listed-building presence near the church and Mill.
A high proportion of Grantchester properties are listed. We handle listed building consent, conservation officer liaison and lime-based specifications routinely.
What we do
Extensions we build in Grantchester.
- —Rear extensions, single and double storey
- —Side returns and wraparound extensions
- —Two-storey rear and side extensions
- —Loft conversions with dormer or mansard
- —Listed building consent and conservation-area planning
- —Party wall agreements and structural calculations
Also in Grantchester
Other things we do in Grantchester.
Kitchens in Grantchester
Designed kitchens with joinery and stone, refits and as part of an extension.
ExploreBathrooms in Grantchester
Family, en-suite, principal and wet rooms — stone, brass and considered detail.
ExploreGarden Rooms in Grantchester
Garden offices, studios, gyms and annexes — built like a house, not a shed.
ExploreCommon questions
About extensions in Grantchester.
- How long does a Grantchester extension take to build?
- Single-storey rear extensions of 25–40m² usually run 10–14 weeks on site, with 6–12 weeks of design and planning beforehand. Two-storey extensions add roughly four weeks to the build.
- Can you work on listed buildings or in conservation areas?
- Yes. A significant share of Grantchester sits within a conservation area, and we handle listed building consent, Article 4 directions, and conservation officer liaison routinely.
- How much does an extension in Grantchester cost?
- As of 2026, a well-built single-storey rear extension typically runs £2,800–£3,800 per m² including finishes. Glazing, structural complexity and listed status all push that range.
- Do you handle planning permission?
- Yes — drawings, planning portal submission, conservation and listed building consent, and any pre-application enquiries with Grantchester City or South Cambs.