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Side return extensions in Annan: design, approvals and build

Thinking about a side return extension for your Annan home? Start with a free site visit: we measure up, check what the council will allow and give you honest guide figures on the day.

  • Guide price in AnnanFrom £17,500 inc VAT
  • PlanningScottish householder rules; building warrant needed
  • Build time10–14 weeks on site
  • Postcode districtsDG12
Side return extension on a Victorian terrace with a sloping glass roof over the kitchen

Planning rules that apply in Annan

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.

The planning position for a specific Annan address depends on its history and any designations, which is why we check it at the first visit.

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.

In Scotland a building warrant from the council is needed before work starts on almost any extension, and a completion certificate is issued when the work is accepted. Building standards are set in the Scottish technical handbooks.

Applications are decided by your council as planning authority.

Guide prices for Annan

Labour and material costs vary across the UK, so for Annan we use our Scotland factor (×0.98). The ranges include VAT and exclude design, structural and council fees.

Typical rates in Annan: £2,060 to £3,720 per m² including VAT, depending on specification.

SizeEssentialStandardPremium
1.8 m × 4.5 m
8 m²
£17,500 – £21,000£18,500 – £24,000£23,500 – £30,000
2 m × 5.5 m
11 m²
£22,500 – £27,000£25,500 – £32,500£32,000 – £41,000
2.2 m × 7 m
15 m²
£30,500 – £37,000£35,000 – £44,500£44,000 – £56,000

Try the guide-price tool to see a range for your own size and finish.

Working in Annan

Our survey diary covers Annan, including DG12. Nearby, we also take on projects in Dumfries (15 miles), Stranraer (71 miles).

Just over the Scottish Borders border, Hawick is about 34 miles away. Across Scotland, extensions follow Scottish planning and building standards, including the building warrant process, which we build into the programme from the start.

Is a side return extension right for your house?

  • Victorian and Edwardian terraces with a rear outrigger
  • Narrow galley kitchens
  • Homes where the garden is too small to lose much depth

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

    We visit your Annan home, measure up, talk through what you want and check the planning position.

  2. Design and approvals

    Drawings are prepared and agreed with you, then submitted for the right planning route and building regulations approval.

  3. Fixed written price

    The price is fixed in writing once the design is settled, with a clear programme and payment stages.

  4. Build and sign-off

    We build it with one project manager, book the building control inspections and hand over the completion certificate.

Side return extension questions answered

Do you cover all of Annan?

Yes. We cover Annan and the surrounding parts of Dumfries and Galloway. Site visits are free and there is no obligation.

Do I need building regulations approval in Annan?

Yes. Almost every extension needs it, whatever the planning route. In Scotland that means a building warrant before work starts.

Can I see a price before committing to anything?

Yes. The guide prices on this page are adjusted for Annan, and the guide-price tool gives a range for your own size. After the survey you get a written price before anything is agreed.

Can I combine a side return with a rear extension?

Yes. That combination is a wraparound extension, which adds the most space to a terraced house.

How much does a side return extension cost?

Our guide range is about £2,060 to £3,720 per m² including VAT, so a typical 2 m × 5.5 m infill lands around £25,500 to £32,500 at standard spec in Annan, more in London.

Book a free site visit in Annan

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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