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Mayfield, Edinburgh and the Lothians

Side return extension in Mayfield

Thinking about a side return extension in Mayfield? Infilling the narrow passage beside a Victorian or Edwardian back addition. Our team handles the drawings, the planning route and the build, and your contract is with one company throughout.

Mayfield is covered from our Edinburgh and the Lothians round, including EH19, EH22 and EH23. Side return projects in Mayfield usually start with a drainage survey of the side passage.

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 Mayfield?

For Mayfield we work from the Scotland rate: £2,180–£3,610 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.

Side return extension prices in Mayfield
SizeGuide price inc VAT
2 m wide × 6 m deep (12 m²)£26,000–£43,500
2.5 m wide × 7 m deep (17.5 m²)£38,000–£63,000

Ground conditions, glazing, the roof and how far the house is opened up move the final figure within the range.

Do you need planning permission for a side return extension in Mayfield?

Whether your side return extension in Mayfield needs a planning application depends on its size, your house and any local restrictions.

In Scotland side extensions are more restricted than rear ones under householder permitted development, and wraparounds generally need planning permission. A building warrant is required before work starts.

Scotland has no Party Wall Act. Work to shared walls is governed by property law and the title deeds, so we agree access and protection with neighbours in writing before work begins.

Classes 1A and 1B do not apply in conservation areas, and listed buildings need listed building consent. At the first visit we measure what is there now and tell you which route fits: permitted development or a planning application, plus the building warrant.

What are homes in Mayfield like to extend?

Mayfield has sandstone villas and terraces, post-war semis and four-in-a-block flats. Flats need planning permission for an extension, and every project needs a building warrant before work starts.

How a side return extension in Mayfield comes together

  1. Survey visit

    We visit free of charge, measure up, check access, drainage and neighbours' extensions, and note what you want the room to do.

  2. Drawings and budget

    Floor plans and elevations for the options, each with a guide price.

  3. Paperwork handled

    Planning or permitted development, the building warrant, structural design and neighbour agreements are all handled by us.

  4. Build and sign-off

    We build to the approved drawings with regular updates, then hand over the accepted completion certificate and any guarantees from suppliers.

Side return extensions near Mayfield

We also build side return extensions in nearby Dalkeith (1.9 miles) and Bonnyrigg (2.6 miles).

Other work in Mayfield:

All rear extensions in Mayfield

FAQ

Side return extension questions in Mayfield

Can I live at home while the extension is built?

Usually yes. Most of the work is outside until the back wall is opened near the end, and that stage is screened off.

Is the site visit in Mayfield free?

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

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.

How long does a rear extension take to build in Mayfield?

Most single-storey rear extensions take 10 to 16 weeks on site and two-storey extensions 16 to 26 weeks, after design and approvals.

Do I need planning permission for a rear extension in Mayfield?

Many single-storey rear extensions are permitted development under Class 1A, but not in conservation areas; you always need a building warrant before work starts.

Do I need a party wall agreement?

Scotland has no Party Wall Act; we agree access and protection with your neighbour in writing instead.

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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