Two-storey extensions in Aston
We design, get approval for and build two-storey extensions in Aston and the surrounding area. Choose the type of extension below or book a free site visit.
Aston at a glance
- Postcode districts
- B6 and B7
- Area
- West Midlands, England
- Price region
- West Midlands
- Nearest towns
- Hockley (1.4 miles), Birmingham (1.5 miles), Washwood Heath (2.4 miles), Smethwick (3.6 miles)
- Distance to Birmingham
- about 1.5 miles
- Approvals
- Two-storey rear: up to 3 m deep and 7 m from the rear boundary under permitted development. Side, wraparound and front: planning permission.
We cover postcode districts B6 and B7 in and around Aston, along with neighbouring Hockley, Birmingham and Washwood Heath.
Extensions available in Aston

Two-storey rear extensions
For homes in Aston: typical guide from £56,000.
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Two-storey side extensions
Our West Midlands guide starts at £86,000 for this type.
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Two-storey wraparound extensions
From £120,500 in Aston. Free visit to firm it up.
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Part single, part two-storey extensions
Our West Midlands guide starts at £72,000 for this type.
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Extensions over a garage
Guide from £31,500 in Aston, including VAT.
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First-floor extensions
From £25,000 in Aston. Free visit to firm it up.
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Two-storey extensions for semi-detached houses
Guide from £56,000 in Aston, including VAT.
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Two-storey extensions for detached houses
Guide from £86,000 in Aston, including VAT.
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Kitchen extensions with bedrooms above
For homes in Aston: typical guide from £56,000 (before kitchen units).
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Extra bedroom and en-suite extensions
From £56,000 (plus en-suite) in Aston. Free visit to firm it up.
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 Aston we measure distances to every boundary before suggesting a type.
Also available in the West Midlands
- 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 Aston
Aston is in England. Two-storey rear: up to 3 m deep and 7 m from the rear boundary under permitted development. Side, wraparound and front: planning permission. Householder planning application: £548 (or £575 for applications made from 8 December 2026). Lawful development certificate: £274 (about £288 for applications from 8 December 2026). Councils should decide householder applications within 8 weeks of validation.
The full England rules explained
Questions about extensions in Aston
Do you cover Aston?
Yes. We cover Aston (B6 and B7) and the surrounding area, including Hockley and Birmingham. The first site visit is free.
What does a two-storey extension cost in Aston?
Using our West Midlands 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 £56,000–£75,500 including VAT. An extension over a garage is about £31,500–£46,000.
Which other places near Aston do you cover?
Everywhere around it, including Hockley (1.4 miles), Birmingham (1.5 miles) and Washwood Heath (2.4 miles), and the rest of the West Midlands.