House Extension Ideas for Belsize Park Homes

Space is at a premium in Belsize Park, making well-designed extensions highly valuable. Whether you need a larger kitchen, an additional bedroom, or a home office, extending your Belsize Park property can transform your living experience while adding significant value to your home.

Rear Extensions in Belsize Park

A single-storey rear extension is the most achievable option in Belsize Park's conservation area. By extending 3 to 6 metres into the rear garden, you can create an open-plan kitchen-diner with large glazed doors opening onto the garden. Conservation area restrictions limit the size, but good design maximises the impact of every square metre gained.

Side Return Extensions

Many Belsize Park terraces have a narrow side return that can be incorporated into the ground floor, adding 10-15 square metres. Combined with a rear extension, this creates an L-shaped open-plan space ideal for modern family living. Rooflights along the side return bring natural light deep into the plan.

Conservation Area Design

Extensions in the Belsize Conservation Area must complement the existing building's character. Contemporary glass and steel extensions are often preferred by Camden's conservation officers over poor imitations of Victorian style. High-quality materials and thoughtful detailing are essential for planning approval.

Basement Extensions

Where above-ground options are limited, a basement extension can add an entire floor of living space — home cinemas, gyms, playrooms, or additional bedrooms. Camden has specific policies governing basement developments, and applications require detailed structural and impact assessments.

Costs

Extension costs in Belsize Park range from £2,500 to £4,000 per sqm for building work. A typical rear extension costs £60,000 to £120,000. Side return extensions add £40,000 to £70,000. These investments typically add more to property values than they cost to build.

Planning Advice

Pre-application advice from Camden Council (£150-£500) is highly recommended before submitting formal applications in the conservation area. An architect with Belsize Park experience can design extensions that satisfy both your needs and the planners' requirements.