Two-storey extensions in Wrexham
From over-garage bedrooms to full wraparounds, we cover every kind of two-storey extension in Wrexham.
Wrexham at a glance
- Postcode districts
- LL13
- Area
- Clwyd, Wales
- Price region
- Wales
- Nearest towns
- Gresford (2.8 miles), Coedpoeth (3 miles), Brymbo (3.4 miles), Rhosllannerchrugog (3.8 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 Wrexham (LL13) and the places around it, including Gresford (2.8 miles), Coedpoeth (3.0 miles) and Brymbo.
Extensions available in Wrexham

Two-storey rear extensions
Wrexham guide price from £51,500, Standard spec.
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Two-storey side extensions
Wrexham guide price from £79,000, Standard spec.
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Two-storey wraparound extensions
Our Wales guide starts at £111,000 for this type.
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Part single, part two-storey extensions
For homes in Wrexham: typical guide from £66,000.
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Extensions over a garage
Our Wales guide starts at £29,000 for this type.
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First-floor extensions
Guide from £23,000 in Wrexham, including VAT.
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Two-storey extensions for semi-detached houses
From £51,500 in Wrexham. Free visit to firm it up.
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Two-storey extensions for detached houses
Wrexham guide price from £79,000, Standard spec.
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Kitchen extensions with bedrooms above
Wrexham guide price from £51,500 (before kitchen units), Standard spec.
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Extra bedroom and en-suite extensions
Our Wales guide starts at £51,500 (plus en-suite) for this type.
Learn moreWhich type suits your house?
The boundaries usually decide it. Two-storey work close to a neighbour needs careful design for light and privacy, so at the visit in Wrexham we measure distances to every boundary before suggesting a type.
Also available in Clwyd
- 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 Wrexham
Wrexham 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 Wrexham
Do you cover Wrexham?
Yes. We cover Wrexham (LL13) and the surrounding area, including Gresford and Coedpoeth. The first site visit is free.
What does a two-storey extension cost in Wrexham?
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 Wrexham do you cover?
Everywhere around it, including Gresford (2.8 miles), Coedpoeth (3 miles) and Brymbo (3.4 miles), and the rest of Clwyd.