Two-storey extensions in Mirfield
Homeowners in Mirfield can use us for the whole project or just the drawings and approvals. Start with a free visit.
Mirfield at a glance
- Postcode districts
- HD8 and WF14
- Area
- West Yorkshire, England
- Price region
- Yorkshire and the Humber
- Nearest towns
- Liversedge (2.2 miles), Heckmondwike (2.4 miles), Dewsbury (3 miles), Batley (3.3 miles)
- Distance to Leeds
- about 10.5 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 HD8 and WF14 in and around Mirfield, along with neighbouring Liversedge, Heckmondwike and Dewsbury.
Extensions available in Mirfield
Two-storey rear extensions
Design, approvals and build for Mirfield homes. Guide from £51,500.
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Two-storey side extensions
Design, approvals and build for Mirfield homes. Guide from £79,000.
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Two-storey wraparound extensions
From £111,000 in Mirfield. Free visit to firm it up.
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Part single, part two-storey extensions
Mirfield guide price from £66,000, Standard spec.
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Extensions over a garage
Our Yorkshire and the Humber guide starts at £29,000 for this type.
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First-floor extensions
From £23,000 in Mirfield. Free visit to firm it up.
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Two-storey extensions for semi-detached houses
Design, approvals and build for Mirfield homes. Guide from £51,500.
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Two-storey extensions for detached houses
Design, approvals and build for Mirfield homes. Guide from £79,000.
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Kitchen extensions with bedrooms above
Guide from £51,500 (before kitchen units) in Mirfield, including VAT.
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Extra bedroom and en-suite extensions
For homes in Mirfield: typical guide from £51,500 (plus en-suite).
Learn moreWhich type suits your house?
Rear and side extensions suit most semi-detached and detached houses with room around them. Terraced and town-centre homes can take a two-storey extension too, with more care over neighbours, light and access.
Also available in West Yorkshire
- 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 Mirfield
Mirfield 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 Mirfield
Do you cover Mirfield?
Yes. We cover Mirfield (HD8 and WF14) and the surrounding area, including Liversedge and Heckmondwike. The first site visit is free.
What does a two-storey extension cost in Mirfield?
Using our Yorkshire and the Humber 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 Mirfield do you cover?
Everywhere around it, including Liversedge (2.2 miles), Heckmondwike (2.4 miles) and Dewsbury (3 miles), and the rest of West Yorkshire.