CB3 · Newnham · Cambridge
Garden Rooms in Newnham
Insulated, year-round garden rooms — for working, working out, or hosting. Built to the same standard as the main house, not bolted together from a kit.

Newnham · CB3
Newnham
Working in Newnham.
Newnham sits west of the river — Edwardian and Victorian villas, college fellows' houses, and a tight conservation area that runs from Grange Road to the Backs.
Most of Newnham is within the West Cambridge Conservation Area. Article 4 directions apply to some streets, which means works that would normally be permitted development require a planning application. We've worked across CB3 and handle the planning side directly.
What we do
Garden Rooms we build in Newnham.
- —Garden offices and studios
- —Home gyms with full insulation and sprung floors
- —Guest annexes (within permitted development where possible)
- —Concrete or timber-pile foundations
- —Full electrics, plumbing where required, heating and cooling
- —Permitted development advice and planning where needed
Recent work nearby
Projects from nearby villages.
Also in Newnham
Other things we do in Newnham.
Extensions in Newnham
Rear, side, wraparound and two-storey extensions, drawn and built by one team.
ExploreKitchens in Newnham
Designed kitchens with joinery and stone, refits and as part of an extension.
ExploreBathrooms in Newnham
Family, en-suite, principal and wet rooms — stone, brass and considered detail.
ExploreCommon questions
About garden rooms in Newnham.
- Do I need planning permission for a garden room?
- Most garden rooms fall within permitted development if they're under 30m², no taller than 2.5m at the boundary, and within 50% of the curtilage. Listed properties and conservation areas have extra rules — we'll check the specifics.
- How long does a garden room take to build?
- Six to ten weeks on site for a typical 15–25m² office or studio. Larger rooms with services and complex access run longer.
- How much does a Newnham garden room cost?
- Insulated, fully-finished garden rooms built to house standards typically run £2,400–£3,500 per m². A 20m² office sits around £50k–£70k including foundations, services and joinery.
- Can it have a bathroom or kitchenette?
- Yes — drainage and water supply usually require a trench from the main house. We handle the foul, water, and electrics together.
