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Greater Manchester

Knocking through to a rear extension in Greater Manchester

Steel beams, padstones and props to open the back of the house safely. Across Greater Manchester we handle the whole rear extension: survey, drawings, the planning route, building control and the build. Towns we cover here include Manchester, Oldham and Wigan.

Back wall of a house removed during an extension build with a red steel beam on padstones and temporary props

Older houses in Greater Manchester often have solid brick back walls carrying a lot of weight, so the steel design comes early. Stone and brick terraces are common around Greater Manchester. Where houses back onto a ginnel or alley, deliveries can come in from the rear, which makes the build tidier.

What does it cost in Greater Manchester?

As a guide, £3,500–£9,000 including VAT. These are guide ranges; the written quote after the survey is the figure that counts.

What approvals does it need in Greater Manchester?

Planning and Building Regulations are separate in England: even a permitted development extension is inspected for foundations, drainage, structure, insulation, fire safety and ventilation, through the council or a registered building control approver, ending with a completion certificate.

Conservation areas, National Parks, National Landscapes and the Broads restrict permitted development, and listed buildings always need listed building consent.

Where in Greater Manchester do we work?

FAQ

Questions people ask

Can the whole back wall come out?

Often, with a beam across the full width or a goalpost frame. Some walls need a short pier left at the ends.

Do I need building control for a beam?

Yes. The calculations and the installed steel are checked.

How long does it take?

The wall itself usually comes out in a day or two, timed for when the extension is weathertight.

Do you cover all of Greater Manchester?

We cover 66 towns and districts in Greater Manchester, including Manchester, Oldham and Wigan.

Who builds the extension?

Vetted building teams working under contract to us; your contract is with S&K Property Investments and Improvement Ltd.

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.

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