Two-storey extensions in Welshpool
Need more room in Welshpool? Two-storey and first-floor extensions add bedrooms and living space without moving. Here's everything we offer locally.
Welshpool at a glance
- Postcode districts
- SY15, SY21 and SY22
- Area
- Powys, Wales
- Price region
- Wales
- Nearest towns
- Newtown (11.8 miles), Llanidloes (22 miles), Knighton (22.3 miles), Rhosllannerchrugog (24.5 miles)
- Distance to Newtown
- about 11.8 miles
- Approvals
- Two-storey rear: ground floor up to 4 m, first floor up to 3 m and 10.5 m from the rear boundary. Some two-storey side extensions can be permitted development.
We cover Welshpool (SY15, SY21 and SY22) and the places around it, including Newtown (11.8 miles), Llanidloes (22.0 miles) and Knighton.
Extensions available in Welshpool

Two-storey rear extensions
For homes in Welshpool: typical guide from £51,500.
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Two-storey side extensions
Welshpool guide price from £79,000, Standard spec.
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Two-storey wraparound extensions
From £111,000 in Welshpool. Free visit to firm it up.
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Part single, part two-storey extensions
Welshpool guide price from £66,000, Standard spec.
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Extensions over a garage
From £29,000 in Welshpool. Free visit to firm it up.
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First-floor extensions
For homes in Welshpool: typical guide from £23,000.
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Two-storey extensions for semi-detached houses
For homes in Welshpool: typical guide from £51,500.
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Two-storey extensions for detached houses
Design, approvals and build for Welshpool homes. Guide from £79,000.
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Kitchen extensions with bedrooms above
Guide from £51,500 (before kitchen units) in Welshpool, including VAT.
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Extra bedroom and en-suite extensions
For homes in Welshpool: typical guide from £51,500 (plus en-suite).
Learn moreWhich type suits your house?
Start with what you need the space for. Bedrooms and an en-suite upstairs with a bigger kitchen below is the classic two-storey brief, but in Welshpool we also design annexes, home offices and bedrooms over garages.
Also available in Powys
- 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
- Party wall notices for extensions
- Design and build two-storey extensions
Rules for Welshpool
Welshpool is in Wales. Two-storey rear: ground floor up to 4 m, first floor up to 3 m and 10.5 m from the rear boundary. Some two-storey side extensions can be permitted development. Householder planning application: £585. Councils normally decide householder applications within 8 weeks.
The full Wales rules explained
Questions about extensions in Welshpool
Do you cover Welshpool?
Yes. We cover Welshpool (SY15, SY21 and SY22) and the surrounding area, including Newtown and Llanidloes. The first site visit is free.
What does a two-storey extension cost in Welshpool?
Using our Wales 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 £51,500–£69,500 including VAT. An extension over a garage is about £29,000–£42,000.
Which other places near Welshpool do you cover?
Everywhere around it, including Newtown (11.8 miles), Llanidloes (22 miles) and Knighton (22.3 miles), and the rest of Powys.