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Haslingden, Lancashire

Side return extension in Haslingden

We plan and build side return extensions for homeowners in Haslingden. Infilling the narrow passage beside a Victorian or Edwardian back addition. Start with a free site visit, then a written price once the design is agreed.

We cover Haslingden (BB4) as part of our Lancashire work. Side returns suit the Victorian and Edwardian terraces found across parts of Lancashire, where the kitchen sits in a narrow back addition.

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 Haslingden?

A side return extension in Haslingden is priced at £2,160–£3,570 per square metre including VAT as a guide, before kitchen fit-out and fees. North West prices sit below our West Midlands baseline; access on terraced streets is the main variable.

Side return extension prices in Haslingden
SizeGuide price inc VAT
2 m wide × 6 m deep (12 m²)£26,000–£43,000
2.5 m wide × 7 m deep (17.5 m²)£38,000–£62,500

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 Haslingden?

Planning for a side return extension in Haslingden follows the English householder rules.

Side return infills and the side leg of a wraparound are treated as side extensions in England: single-storey, no more than 4 metres high and no wider than half the original house. They are not permitted development in conservation areas, National Parks or National Landscapes, and a joined wraparound often needs a planning application because the side and rear rules apply together.

The Party Wall etc. Act 1996 applies in England: you serve notice two months before work to a shared wall, and one month before digging foundations within 3 metres (or 6 metres for deeper foundations) of a neighbour's building. Neighbours can agree in writing; if they dissent, surveyors agree an award.

Conservation areas, National Parks, National Landscapes and the Broads restrict permitted development, and listed buildings always need listed building consent. Before any drawing we look up the property's history with the council, because earlier extensions and removed rights change the answer.

What are homes in Haslingden like to extend?

Stone and brick terraces are common around Haslingden. Where houses back onto a ginnel or alley, deliveries can come in from the rear, which makes the build tidier.

How a side return extension in Haslingden comes together

  1. Free site visit

    We measure the house and garden, look at the back wall, drainage and boundaries, and talk through what you want from the space.

  2. Design and guide price

    Two or three layout options with a guide price for each, so you choose the design knowing what it costs.

  3. Approvals

    Permitted development check, prior approval or planning application, then Building Regulations drawings and structural calculations, plus party wall notices where they apply.

  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 Haslingden

Close by, we work in Rawtenstall, about 1.6 miles away, and Accrington, about 3.8 miles away.

Other work in Haslingden:

All rear extensions in Haslingden

FAQ

Side return extension questions in Haslingden

Can I get a price without a visit?

Our online guide-price tool gives a range in a couple of minutes. A written price needs a survey.

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.

Can I combine a side return with a rear extension?

Yes; that is a wraparound extension, and it gives the biggest open-plan room a terrace can have.

Is the site visit in Haslingden free?

Yes. We visit, measure up and talk through the options with no cost and no obligation.

What postcode areas do you cover around Haslingden?

Including BB4, and the surrounding Lancashire area.

Can you match the brick or stone on my Haslingden house?

We source the closest match and show you samples before ordering; reclaimed materials are often the best match on older houses.

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