Side return extensions · Princes Risborough

Side return extensions in Princes Risborough

Our side return extensions service covers Princes Risborough and the rest of Buckinghamshire. You get a fixed price in writing for the agreed specification, and one person co-ordinating the trades.

Covering Princes Risborough

Princes Risborough is about 22 miles south of Milton Keynes. We also cover Aylesbury (6 miles to the north), High Wycombe and Amersham.

Homes in the South East

The South East has a lot of 1930s and post-war semi-detached housing, well suited to rear extensions and hip-to-gable loft conversions, alongside period properties in conservation areas that need a more careful design.

What is a side return extension?

A side return extension builds over the narrow passage that runs beside the back of many Victorian and Edwardian terraced houses, widening the kitchen or dining room by a metre or two. It is usually combined with a glazed or part-glazed roof so the deeper room still gets daylight.

  • Party wall notices and surveyor liaison
  • Glazed or solid roof with rooflights
  • Plastering and making good to the old house

How much should I budget for a side return extension?

What side return extensions typically cost. These are guide ranges; the written quote for your house replaces them.

Side return extensionsGuide price incl. VAT
Standard specification£3,350 to £3,700 per m²
Good specification£3,700 to £4,150 per m²
High specification£4,150 to £4,550 per m²

How is a side return extension approved in Princes Risborough?

English projects need planning clearance from the local council, building regulations sign-off from building control, and party wall notices where the work is on or near a shared boundary. We prepare and manage all three.

In England a single-storey rear extension can often go ahead under permitted development: up to 3 m deep on an attached house or 4 m on a detached one, no higher than 4 m, with eaves no higher than 3 m within 2 m of a boundary. Deeper extensions, up to 6 m or 8 m, need prior approval from the council first.

What can change the price or programme?

  • Access is often through the house, so we plan deliveries and protect floors.
  • Glazed roofs need careful detailing against the neighbour’s wall.

How does the project run?

  1. Start with a conversation. A short call or the online form is enough for us to understand what you want to build.
  2. We visit and measure. A surveyor checks the house, the boundaries and the ground, and discusses what is realistic.
  3. Price and paperwork. The design is priced line by line, and we submit the planning and building control applications.
  4. Build and hand over. Our teams build to the programme, building control inspects, and you get the completion paperwork at the end.

Questions about a side return extension in Princes Risborough

How much does a side return extension cost?

Usually about £3,350 to £4,550 per square metre including VAT, which works out at around £35,000 to £55,000 for a typical side return before the kitchen.

Does a side return need planning permission?

In England it can be permitted development if it is single storey, no higher than 4 m and no wider than half the original house. Conservation areas are the main exception.

How do I get a price for side return extensions in Princes Risborough?

Use the guide price tool for a ballpark figure, then book a visit for a fixed written price for the agreed specification.

Other towns nearby

Learn more about side return extensions, or see every project we cover in Princes Risborough.

Planning an extension, loft or new home?

Get a guide price in two minutes, then book a free site visit.

CallGet a quote