Two-storey extensions in Smethwick
From over-garage bedrooms to full wraparounds, we cover every kind of two-storey extension in Smethwick.
Smethwick at a glance
- Postcode districts
- B17, B66 and B67
- Area
- West Midlands, England
- Price region
- West Midlands
- Nearest towns
- West Bromwich (2.1 miles), Oldbury (2.1 miles), Hockley (2.2 miles), Birmingham (2.9 miles)
- Distance to Birmingham
- about 2.9 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.
Around Smethwick we also work in West Bromwich, Oldbury and Hockley, and across the rest of the West Midlands. Postcode districts in and near Smethwick: B17, B66 and B67.
Extensions available in Smethwick
Two-storey rear extensions
Smethwick guide price from £56,000, Standard spec.
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Two-storey side extensions
Smethwick guide price from £86,000, Standard spec.
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Two-storey wraparound extensions
Guide from £120,500 in Smethwick, including VAT.
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Part single, part two-storey extensions
Design, approvals and build for Smethwick homes. Guide from £72,000.
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Extensions over a garage
Smethwick guide price from £31,500, Standard spec.
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First-floor extensions
Our West Midlands guide starts at £25,000 for this type.
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Two-storey extensions for semi-detached houses
Design, approvals and build for Smethwick homes. Guide from £56,000.
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Two-storey extensions for detached houses
Smethwick guide price from £86,000, Standard spec.
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Kitchen extensions with bedrooms above
Design, approvals and build for Smethwick homes. Guide from £56,000 (before kitchen units).
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Extra bedroom and en-suite extensions
From £56,000 (plus en-suite) in Smethwick. 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 Smethwick, with a rough idea of the approval route and cost for each.
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 Smethwick
Smethwick 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 Smethwick
Do you cover Smethwick?
Yes. We cover Smethwick (B17, B66 and B67) and the surrounding area, including West Bromwich and Oldbury. The first site visit is free.
What does a two-storey extension cost in Smethwick?
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 Smethwick do you cover?
Everywhere around it, including West Bromwich (2.1 miles), Oldbury (2.1 miles) and Hockley (2.2 miles), and the rest of the West Midlands.