Two-storey extensions in Kilsyth
Homeowners in Kilsyth can use us for the whole project or just the drawings and approvals. Start with a free visit.
Kilsyth at a glance
- Postcode districts
- G65
- Area
- Lanarkshire, Scotland
- Price region
- Scotland
- Nearest towns
- Cumbernauld (3.3 miles), Moodiesburn (4.3 miles), Kirkintilloch (4.4 miles), Lenzie (5 miles)
- Distance to East Kilbride
- about 15.3 miles
- Approvals
- Class 1B: two-storey extensions must be at least 10 m from every boundary to avoid planning permission, so most need an application.
Around Kilsyth we also work in Cumbernauld, Moodiesburn and Kirkintilloch, and across the rest of Lanarkshire. Postcode district in and near Kilsyth: G65.
Extensions available in Kilsyth

Two-storey rear extensions
From £52,500 in Kilsyth. Free visit to firm it up.
Learn more
Two-storey side extensions
Guide from £81,000 in Kilsyth, including VAT.
Learn more
Two-storey wraparound extensions
Our Scotland guide starts at £113,000 for this type.
Learn more
Part single, part two-storey extensions
For homes in Kilsyth: typical guide from £67,500.
Learn more
Extensions over a garage
Design, approvals and build for Kilsyth homes. Guide from £29,500.
Learn more
First-floor extensions
Design, approvals and build for Kilsyth homes. Guide from £23,500.
Learn more
Two-storey extensions for semi-detached houses
Guide from £52,500 in Kilsyth, including VAT.
Learn more
Two-storey extensions for detached houses
Kilsyth guide price from £81,000, Standard spec.
Learn more
Kitchen extensions with bedrooms above
Design, approvals and build for Kilsyth homes. Guide from £52,500 (before kitchen units).
Learn more
Extra bedroom and en-suite extensions
From £52,500 (plus en-suite) in Kilsyth. Free visit to firm it up.
Learn moreWhich type suits your house?
If you're not sure which type fits, that's what the free visit is for. We'll sketch the realistic options for your house in Kilsyth, with a rough idea of the approval route and cost for each.
Also available in Lanarkshire
- Two-storey front extensions
- Two-storey extensions for end-of-terrace houses
- Two-storey annexe extensions
- Garage conversions with a room above
- Two-storey extension plans and drawings
- Planning permission for two-storey extensions
- Structural engineering for two-storey extensions
- Building regulations for two-storey extensions
- Design and build two-storey extensions
Rules for Kilsyth
Kilsyth is in Scotland. Class 1B: two-storey extensions must be at least 10 m from every boundary to avoid planning permission, so most need an application. Householder planning application: £371. Councils have two months to decide a local planning application.
The full Scotland rules explained
Questions about extensions in Kilsyth
Do you cover Kilsyth?
Yes. We cover Kilsyth (G65) and the surrounding area, including Cumbernauld and Moodiesburn. The first site visit is free.
What does a two-storey extension cost in Kilsyth?
Using our Scotland guide, a two-storey rear extension with a 4 m × 3.5 m footprint on two floors (28 m² of new floor space) is about £52,500–£71,000 including VAT. An extension over a garage is about £29,500–£43,000.
Which other places near Kilsyth do you cover?
Everywhere around it, including Cumbernauld (3.3 miles), Moodiesburn (4.3 miles) and Kirkintilloch (4.4 miles), and the rest of Lanarkshire.