Two-storey extensions in Nelson (Lancashire)
We design, get approval for and build two-storey extensions in Nelson (Lancashire) and the surrounding area. Choose the type of extension below or book a free site visit.
Nelson (Lancashire) at a glance
- Postcode districts
- BB9
- Area
- Lancashire, England
- Price region
- North West England
- Nearest towns
- Brierfield (1.5 miles), Colne (2.1 miles), Burnley (2.7 miles), Padiham (5.2 miles)
- Distance to Preston
- about 21.2 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.
Nelson (Lancashire) sits about 21.2 miles from Preston. Closer to home, Brierfield is 1.5 miles away and Colne 2.1 miles.
Extensions available in Nelson (Lancashire)
Two-storey rear extensions
Design, approvals and build for Nelson (Lancashire) homes. Guide from £53,000.
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Two-storey side extensions
For homes in Nelson (Lancashire): typical guide from £82,000.
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Two-storey wraparound extensions
Our North West England guide starts at £114,500 for this type.
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Part single, part two-storey extensions
Nelson (Lancashire) guide price from £68,500, Standard spec.
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Extensions over a garage
Design, approvals and build for Nelson (Lancashire) homes. Guide from £30,000.
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First-floor extensions
Our North West England guide starts at £24,000 for this type.
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Two-storey extensions for semi-detached houses
Design, approvals and build for Nelson (Lancashire) homes. Guide from £53,000.
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Two-storey extensions for detached houses
Nelson (Lancashire) guide price from £82,000, Standard spec.
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Kitchen extensions with bedrooms above
From £53,000 (before kitchen units) in Nelson (Lancashire). Free visit to firm it up.
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Extra bedroom and en-suite extensions
Guide from £53,000 (plus en-suite) in Nelson (Lancashire), including VAT.
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 Nelson (Lancashire), with a rough idea of the approval route and cost for each.
Also available in Lancashire
- 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 Nelson (Lancashire)
Nelson (Lancashire) 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 Nelson (Lancashire)
Do you cover Nelson (Lancashire)?
Yes. We cover Nelson (Lancashire) (BB9) and the surrounding area, including Brierfield and Colne. The first site visit is free.
What does a two-storey extension cost in Nelson (Lancashire)?
Using our North West England 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 £53,000–£72,000 including VAT. An extension over a garage is about £30,000–£43,500.
Which other places near Nelson (Lancashire) do you cover?
Everywhere around it, including Brierfield (1.5 miles), Colne (2.1 miles) and Burnley (2.7 miles), and the rest of Lancashire.