Two-storey extensions in Carlisle
Everything for a two-storey extension in Carlisle, in one place: types, guide prices for North West England, the approval rules in England and how to get started.
Carlisle at a glance
- Postcode districts
- CA3
- Area
- Cumbria, England
- Price region
- North West England
- Nearest towns
- Denton Holme (0.7 miles), Longtown (8 miles), Brampton (9 miles), Wigton (10.1 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 Carlisle we also work in Denton Holme, Longtown and Brampton, and across the rest of Cumbria. Postcode district in and near Carlisle: CA3.
Extensions available in Carlisle
Two-storey rear extensions
Guide from £53,000 in Carlisle, including VAT.
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Two-storey side extensions
From £82,000 in Carlisle. Free visit to firm it up.
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Two-storey wraparound extensions
Carlisle guide price from £114,500, Standard spec.
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Part single, part two-storey extensions
From £68,500 in Carlisle. Free visit to firm it up.
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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
From £24,000 in Carlisle. Free visit to firm it up.
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Two-storey extensions for semi-detached houses
From £53,000 in Carlisle. Free visit to firm it up.
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Two-storey extensions for detached houses
Design, approvals and build for Carlisle homes. Guide from £82,000.
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Kitchen extensions with bedrooms above
From £53,000 (before kitchen units) in Carlisle. Free visit to firm it up.
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Extra bedroom and en-suite extensions
From £53,000 (plus en-suite) in Carlisle. 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 Carlisle we also design annexes, home offices and bedrooms over garages.
Also available in Cumbria
- 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 Carlisle
Carlisle 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 Carlisle
Do you cover Carlisle?
Yes. We cover Carlisle (CA3) and the surrounding area, including Denton Holme and Longtown. The first site visit is free.
What does a two-storey extension cost in Carlisle?
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 Carlisle do you cover?
Everywhere around it, including Denton Holme (0.7 miles), Longtown (8 miles) and Brampton (9 miles), and the rest of Cumbria.