Saltcoats, Ayrshire
Two-storey rear extension in Saltcoats
A larger kitchen downstairs and an extra bedroom or bathroom upstairs, under one roof. If you live in Saltcoats and want to know what a two-storey rear extension would cost and whether it needs planning, start with the online guide price or a free site visit.
Saltcoats sits in Ayrshire, with postcode districts including KA20, KA21 and KA22. In Ayrshire we check the neighbours' rear windows first, because the upper floor is where most two-storey schemes win or lose planning.
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 two-storey rear extension cost in Saltcoats?
A two-storey rear extension in Saltcoats is priced at £1,710–£2,560 per square metre including VAT as a guide, before kitchen fit-out and fees. Prices in Scotland sit a little below our West Midlands baseline; building warrant fees and drawings are budgeted separately.
| Size | Guide price inc VAT |
|---|---|
| 3 m × 5 m footprint, two floors (30 m²) | £51,500–£77,000 |
| 4 m × 6 m footprint, two floors (48 m²) | £82,000–£123,000 |
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 two-storey rear extension in Saltcoats?
Whether your two-storey rear extension in Saltcoats needs a planning application depends on its size, your house and any local restrictions.
Scottish Class 1B rights for extensions of more than one storey need a 10 metre gap to every boundary, which few gardens have. Expect a planning application as well as a building warrant for a double-storey rear extension.
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 Saltcoats like to extend?
Saltcoats 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 two-storey rear extension in Saltcoats comes together
Survey visit
We visit free of charge, measure up, check access, drainage and neighbours' extensions, and note what you want the room to do.
Options and costs
We draw layout options and price each one, so the budget shapes the design rather than surprising you later.
Planning and regulations
We take the design through the right planning route, then produce the construction drawings and engineer's calculations for the building warrant.
Written price, then build
Once the design and approvals are in place, you get a fixed written price and programme, and we build through to sign-off.
Two-storey rear extensions near Saltcoats
Neighbouring places we cover include Ardrossan (1.3 miles) and Kilwinning (3.3 miles).
- Two-storey rear extension in Ardrossan
- Two-storey rear extension in Kilwinning
- Two-storey rear extension in Irvine
- Two-storey rear extension in Troon
- Two-storey rear extension in Kilmarnock
Other work in Saltcoats:
FAQ
Two-storey rear extension questions in Saltcoats
Can you match the brick or stone on my Saltcoats house?
We source the closest match and show you samples before ordering; reclaimed materials are often the best match on older houses.
Do I need a party wall agreement?
Scotland has no Party Wall Act; we agree access and protection with your neighbour in writing instead.
Is two-storey cheaper per square metre than single-storey?
Usually yes, because the foundations and roof are shared across twice the floor area. The total cost is higher.
What postcode areas do you cover around Saltcoats?
Including KA20, KA21 and KA22, and the surrounding Ayrshire area.
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.
Do I need planning permission for a rear extension in Saltcoats?
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.