Rear extension design, approvals and build across the UKCall 0800 088 6341 · Online guide price
Rear Extensionsrear-extensions.co.uk 0800 088 6341 Get a guide price

Abbots Langley, Hertfordshire

Side return extension in Abbots Langley

For homes in Abbots Langley, a side return extension is often the simplest way to gain space without moving. Infilling the narrow passage beside a Victorian or Edwardian back addition. We take it from survey to completion certificate.

Abbots Langley is covered from our Hertfordshire round, including WD5. In Abbots Langley we check the boundary line and the neighbour's gutter before drawing a side return, because a few centimetres decide whether the wall goes on or beside the boundary.

Book a free site visit

Tell us about the house and we'll call to arrange a free, no-obligation visit.

How much does a side return extension cost in Abbots Langley?

A side return extension in Abbots Langley is priced at £2,440–£4,030 per square metre including VAT as a guide, before kitchen fit-out and fees. East of England prices run slightly above our West Midlands baseline; clay soils near trees are the main foundation variable.

Side return extension prices in Abbots Langley
SizeGuide price inc VAT
2 m wide × 6 m deep (12 m²)£29,500–£48,500
2.5 m wide × 7 m deep (17.5 m²)£42,500–£70,500

We put a fixed price in writing once the design is agreed, and explain any provisional sums such as foundations.

Do you need planning permission for a side return extension in Abbots Langley?

Here is how the rules in England apply to a side return extension in Abbots Langley.

In England the side part of a side return or wraparound must meet the side-extension rules (one storey, under 4 metres high, no more than half the width of the original house), and those rights do not apply on designated land. Because a wraparound combines a side and a rear extension, many need householder planning permission.

Because rear extensions often sit on or near the boundary, the Party Wall etc. Act 1996 usually applies in England. Notices go out one or two months before work depending on the type of work, and a surveyor's award is only needed if a neighbour does not consent.

Conservation areas, National Parks, National Landscapes and the Broads restrict permitted development, and listed buildings always need listed building consent. We check your house's planning history and any conservation area before drawing, so the route is clear before you spend on plans.

What are homes in Abbots Langley like to extend?

Post-war semis and newer estates are typical of Abbots Langley, and many have room for a full-width extension. Shrinkable clay is common in the East of England, so foundations near trees and hedges are designed to NHBC-style depth guidance.

How a side return extension in Abbots Langley comes together

  1. Look round and measure

    A free visit to see the back of the house, measure it, check the drains and boundaries and hear what you need.

  2. Options and costs

    We draw layout options and price each one, so the budget shapes the design rather than surprising you later.

  3. Planning and regulations

    We take the design through the right planning route, then produce the construction drawings and engineer's calculations for building control.

  4. Build and sign-off

    We build to the approved drawings with regular updates, then hand over the building control completion certificate and any guarantees from suppliers.

Side return extensions near Abbots Langley

From Abbots Langley, the nearest places we also cover are North Watford (2.0 miles) and West Watford (3.3 miles).

Other work in Abbots Langley:

All rear extensions in Abbots Langley

FAQ

Side return extension questions in Abbots Langley

What postcode areas do you cover around Abbots Langley?

Including WD5, and the surrounding Hertfordshire area.

How long does a rear extension take to build in Abbots Langley?

Most single-storey rear extensions take 10 to 16 weeks on site and two-storey extensions 16 to 26 weeks, after design and approvals.

Glass roof or solid roof with rooflights?

A glass roof gives the most light; a solid roof with long rooflights is warmer and quieter in rain. Both work.

Do I need a party wall agreement?

In England, usually yes if the extension is on or near a shared boundary or the foundations are close to a neighbour's building. We serve the notices.

Will I need a structural engineer?

Yes for the beam over the new opening and usually the foundations; we arrange them and their calculations go to building control.

Who will build my extension?

Vetted building teams working under contract to us. Your contract is with S&K Property Investments and Improvement Ltd for the design and the build.

Next step

See what your rear extension would cost

Get a guide price online in a couple of minutes, or book a free site visit and we'll measure up and talk you through the planning route.

CallGuide price