Two-storey extensions in Accrington
We design, get approval for and build two-storey extensions in Accrington and the surrounding area. Choose the type of extension below or book a free site visit.
Accrington at a glance
- Postcode districts
- BB5
- Area
- Lancashire, England
- Price region
- North West England
- Nearest towns
- Great Harwood (3 miles), Haslingden (3.8 miles), Padiham (3.8 miles), Rawtenstall (4.8 miles)
- Distance to Preston
- about 14.1 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 Accrington we also work in Great Harwood, Haslingden and Padiham, and across the rest of Lancashire. Postcode district in and near Accrington: BB5.
Extensions available in Accrington
Two-storey rear extensions
Design, approvals and build for Accrington homes. Guide from £53,000.
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Two-storey side extensions
From £82,000 in Accrington. Free visit to firm it up.
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Two-storey wraparound extensions
For homes in Accrington: typical guide from £114,500.
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Part single, part two-storey extensions
Our North West England guide starts at £68,500 for this type.
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Extensions over a garage
Our North West England guide starts at £30,000 for this type.
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First-floor extensions
For homes in Accrington: typical guide from £24,000.
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Two-storey extensions for semi-detached houses
Our North West England guide starts at £53,000 for this type.
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Two-storey extensions for detached houses
From £82,000 in Accrington. Free visit to firm it up.
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Kitchen extensions with bedrooms above
For homes in Accrington: typical guide from £53,000 (before kitchen units).
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Extra bedroom and en-suite extensions
From £53,000 (plus en-suite) in Accrington. Free visit to firm it up.
Learn moreWhich type suits your house?
Start with what you need the space for. Bedrooms and an en-suite upstairs with a bigger kitchen below is the classic two-storey brief, but in Accrington we also design annexes, home offices and bedrooms over garages.
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 Accrington
Accrington 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 Accrington
Do you cover Accrington?
Yes. We cover Accrington (BB5) and the surrounding area, including Great Harwood and Haslingden. The first site visit is free.
What does a two-storey extension cost in Accrington?
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 Accrington do you cover?
Everywhere around it, including Great Harwood (3 miles), Haslingden (3.8 miles) and Padiham (3.8 miles), and the rest of Lancashire.