Side return extensions · Preston

Side return extensions in Preston

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

Covering Preston

We work in Preston (PR0, PR1, PR11) and the places around it, including Leyland, Chorley and Blackburn.

Homes in the North West

Terraced housing is a defining feature of many North West towns, which brings party walls and narrow access into most projects, with more space to extend on suburban semis.

What does a side return extension involve?

Side returns are small in area but heavy in detail: party walls, a glazed roof, and steelwork to take out the original back wall. We design the roof for light and drainage, agree the party wall process early, and keep the work tidy because access is often through the house.

  • Structural steel to remove the side wall
  • Drainage and new gully positions
  • Plastering and making good to the old house

What is the guide price for a side return extension in Preston?

Guide prices for side return extensions, including VAT where it applies. Your fixed price is confirmed in writing after the survey.

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

Do you need permission for a side return extension in Preston?

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.

What should I think about before starting?

  • Most side returns touch a shared boundary, so the Party Wall etc. Act 1996 usually applies in England and Wales.
  • Glazed roofs need careful detailing against the neighbour’s wall.

What happens after I enquire?

  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 Preston

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.

How long does a side return take?

About 10 to 14 weeks on site.

Who deals with the council for a project in Preston?

We do. We prepare the drawings, submit planning or permitted development paperwork if needed, and arrange building control inspections.

Side return extensions in nearby towns

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

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