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Bedroom extensions for homes in St Andrews

Our design and build teams take on bedroom extensions in St Andrews, from the first measured survey through planning and building control to the finished room.

  • Guide price in St AndrewsFrom £25,000 inc VAT
  • PlanningUsually planning permission; building warrant needed
  • Build time14–22 weeks on site
  • Postcode districtsKY16
Bedroom in an extension with a roof window and an en-suite shower room

How much does a bedroom extension cost in St Andrews?

Prices below are for St Andrews, using the Scotland factor of ×0.98. They are guide ranges including VAT for the build only, not a quote.

Typical rates in St Andrews: £1,570 to £3,140 per m² including VAT, depending on specification.

SizeEssentialStandardPremium
One bedroom
12 m²
£25,000 – £31,500£25,000 – £33,000£28,000 – £38,000
Bedroom and en-suite
18 m²
£28,000 – £34,500£33,500 – £43,500£42,000 – £56,500
Two rooms
30 m²
£47,000 – £57,500£55,500 – £72,500£70,500 – £94,500

Want a range for your exact size? The guide-price tool takes about a minute.

Extensions in and around St Andrews

Our survey diary covers St Andrews, including KY16. The same team covers Cupar (10 miles), Glenrothes (17 miles), Kirkcaldy (21 miles), Dunfermline (31 miles), all within easy reach.

Dundee, in Angus and Dundee, is roughly 11 miles from St Andrews and also on our list. Scotland's housing includes sandstone villas, terraces and tenements in the cities and plenty of post-war and modern houses and bungalows elsewhere. A building warrant is needed before work starts.

Will the council need to approve it?

In Scotland, householder permitted development rules (Class 1A for single-storey ground-floor extensions and Class 1B for extensions of more than one storey) allow some smaller extensions without a planning application, within limits on depth, height and distance from the boundary. Conservation areas and listed buildings are more restricted. Separately, almost every extension needs a building warrant from the council before work starts.

Homes in conservation areas, national scenic areas and listed buildings have tighter rules, so we always check the property's status and planning history before design starts.

Building close to a public sewer needs the agreement of Scottish Water, which we check during design.

Scotland has no Party Wall Act. Where work affects a shared wall or a neighbour's land, we agree access, protection and making good with your neighbour in writing before work starts.

Applications are decided by your council as planning authority.

What we take care of

  • Structure, roof, insulation and finish
  • En-suite drainage and ventilation design
  • Planning drawings and application
  • Heating extended to the new rooms

New bedrooms on an upper floor need an escape window or a protected route to the outside under the building regulations. We design the window sizes and stair route to meet that from the outset.

How the project works

Site visits are free and there is no obligation. Where drawings are needed, the design stage is priced in writing before it starts.

  1. Free site visit

    First, a site visit: we look at the house, garden, access and drains and listen to what you need.

  2. Design and approvals

    Once the layout is agreed, we deal with the council: planning permission or written confirmation that none is needed, plus building control.

  3. Fixed written price

    You receive a written, itemised price and programme. Nothing starts until you are happy with it.

  4. Build and sign-off

    The build is managed from start to finish, inspected at each stage and signed off on completion.

Common questions in St Andrews

How long does a bedroom extension take to build in St Andrews?

On site, typically 14 to 22 weeks once approvals are in place. Before that, allow 8–14 weeks design and approvals.

Who do I contract with for a bedroom extension in St Andrews?

Your contract is with S&K Property Investments and Improvement Ltd, which designs and manages the project and the build teams who carry it out.

Do you cover all of St Andrews?

Yes. We cover St Andrews and the surrounding parts of Fife. Site visits are free and there is no obligation.

Can I add a ground-floor bedroom for a relative?

Yes. A ground-floor bedroom with an accessible shower room is a common request. If it will be lived in as a self-contained home, planning treats it differently, so tell us how it will be used.

Will a new bedroom need planning permission?

Upstairs additions usually do. Ground-floor rooms may fall within permitted development, depending on size and position.

Book a free site visit in St Andrews

We will measure up, check the planning position and give you honest guide figures.

  • Free, no-obligation site visit
  • Planning route checked before you spend on drawings
  • Written price once the design is agreed
  • Building control sign-off at the end

Prefer to talk? Call 0800 088 6341 or .

Book a free site visit

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