Two-storey extensions in Dalton-in-Furness
Need more room in Dalton-in-Furness? Two-storey and first-floor extensions add bedrooms and living space without moving. Here's everything we offer locally.
Dalton-in-Furness at a glance
- Postcode districts
- LA15
- Area
- Cumbria, England
- Price region
- North West England
- Nearest towns
- Askam-in-Furness (2.3 miles), Barrow-in-Furness (3.8 miles), Ulverston (4.3 miles), Millom (5.2 miles)
- Distance to Carlisle
- about 51.8 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 Dalton-in-Furness (LA15) and the places around it, including Askam-in-Furness (2.3 miles), Barrow-in-Furness (3.8 miles) and Ulverston.
Extensions available in Dalton-in-Furness

Two-storey rear extensions
Design, approvals and build for Dalton-in-Furness homes. Guide from £53,000.
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Two-storey side extensions
For homes in Dalton-in-Furness: 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
Design, approvals and build for Dalton-in-Furness homes. Guide from £68,500.
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Extensions over a garage
Dalton-in-Furness guide price from £30,000, Standard spec.
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First-floor extensions
For homes in Dalton-in-Furness: typical guide from £24,000.
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Two-storey extensions for semi-detached houses
Design, approvals and build for Dalton-in-Furness homes. Guide from £53,000.
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Two-storey extensions for detached houses
Dalton-in-Furness guide price from £82,000, Standard spec.
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Kitchen extensions with bedrooms above
Our North West England guide starts at £53,000 (before kitchen units) for this type.
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Extra bedroom and en-suite extensions
Guide from £53,000 (plus en-suite) in Dalton-in-Furness, including VAT.
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 Dalton-in-Furness 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 Dalton-in-Furness
Dalton-in-Furness 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 Dalton-in-Furness
Do you cover Dalton-in-Furness?
Yes. We cover Dalton-in-Furness (LA15) and the surrounding area, including Askam-in-Furness and Barrow-in-Furness. The first site visit is free.
What does a two-storey extension cost in Dalton-in-Furness?
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 Dalton-in-Furness do you cover?
Everywhere around it, including Askam-in-Furness (2.3 miles), Barrow-in-Furness (3.8 miles) and Ulverston (4.3 miles), and the rest of Cumbria.