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Aberdeen and Aberdeenshire

Single-storey rear extensions in Aberdeen and Aberdeenshire

Ground-floor space across the back of the house, usually for a kitchen, dining or family room. Across Aberdeen and Aberdeenshire we handle the whole rear extension: survey, drawings, the planning route, building control and the build. Towns we cover here include Aberdeen, Peterhead and Nigg.

Single-storey rear extension with white render, anthracite sliding doors and a roof lantern on a 1930s semi-detached house

On post-war semis and terraces like those around Aberdeen, a single-storey rear extension is usually the simplest way to fix a small back kitchen without touching the bedrooms. Post-war semis and terraces are common around Aberdeen and Aberdeenshire, and many have room for a single-storey rear extension within Class 1A limits.

How much does a single-storey rear extension cost in Aberdeen and Aberdeenshire?

For Aberdeen and Aberdeenshire we work from the Scotland rate: £1,800–£2,940 per square metre of new floor, including VAT, standard specification. Prices in Scotland sit a little below our West Midlands baseline; building warrant fees and drawings are budgeted separately.

Single-storey rear extension guide prices in Aberdeen and Aberdeenshire
SizeGuide price inc VAT
3 m wide × 4 m deep (12 m²)£21,500–£35,500
4 m wide × 5 m deep (20 m²)£36,000–£59,000
4 m wide × 6 m deep (24 m²)£43,500–£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 in Aberdeen and Aberdeenshire?

In Scotland a single-storey rear extension can be permitted development under Class 1A: eaves no higher than 3 metres and an overall height of 4 metres, and where any part is within 1 metre of a boundary it can project no more than 3 metres on a terraced house or 4 metres on other houses. The rights do not apply in conservation areas, and a building warrant is still needed before work starts.

Scotland has no larger-extension prior approval route; extensions beyond permitted development need a planning application.

Classes 1A and 1B do not apply in conservation areas, and listed buildings need listed building consent.

Where in Aberdeen and Aberdeenshire do we work?

FAQ

Questions people ask

Is a flat roof or a pitched roof better?

A warm flat roof keeps the extension low under first-floor windows and suits a roof lantern; a pitched or lean-to roof gives a vaulted ceiling. Both last for decades when built properly.

Can I stay in the house during the build?

Usually yes. The noisiest, dustiest stage, removing the back wall, is kept to the final weeks and screened off. Most families set up a temporary kitchen elsewhere in the house.

Will the extension make the room behind it dark?

Not if it is designed well. Rooflights or a lantern over the old back room, and a wide opening into it, keep daylight reaching the middle of the house.

Do you cover all of Aberdeen and Aberdeenshire?

We cover 8 towns and districts in Aberdeen and Aberdeenshire, including Aberdeen, Peterhead and Nigg.

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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