Two-storey extensions in Cockermouth
From over-garage bedrooms to full wraparounds, we cover every kind of two-storey extension in Cockermouth.
Cockermouth at a glance
- Postcode districts
- CA13
- Area
- Cumbria, England
- Price region
- North West England
- Nearest towns
- Maryport (6.5 miles), Workington (7.4 miles), Keswick (10.1 miles), Cleator Moor (11.5 miles)
- Distance to Carlisle
- about 23.3 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 Cockermouth we also work in Maryport, Workington and Keswick, and across the rest of Cumbria. Postcode district in and near Cockermouth: CA13.
Extensions available in Cockermouth
Two-storey rear extensions
Guide from £53,000 in Cockermouth, including VAT.
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Two-storey side extensions
For homes in Cockermouth: typical guide from £82,000.
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Two-storey wraparound extensions
From £114,500 in Cockermouth. Free visit to firm it up.
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Part single, part two-storey extensions
Design, approvals and build for Cockermouth homes. Guide from £68,500.
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Extensions over a garage
Guide from £30,000 in Cockermouth, including VAT.
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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
For homes in Cockermouth: typical guide from £53,000.
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Two-storey extensions for detached houses
Design, approvals and build for Cockermouth homes. Guide from £82,000.
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Kitchen extensions with bedrooms above
From £53,000 (before kitchen units) in Cockermouth. Free visit to firm it up.
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Extra bedroom and en-suite extensions
Cockermouth guide price from £53,000 (plus en-suite), Standard spec.
Learn moreWhich type suits your house?
Rear, side, wraparound or over the garage: each adds space in a different way. For most houses in Cumbria, one or two of these will clearly suit the plot better than the rest, and we'll tell you which.
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 Cockermouth
Cockermouth 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 Cockermouth
Do you cover Cockermouth?
Yes. We cover Cockermouth (CA13) and the surrounding area, including Maryport and Workington. The first site visit is free.
What does a two-storey extension cost in Cockermouth?
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 Cockermouth do you cover?
Everywhere around it, including Maryport (6.5 miles), Workington (7.4 miles) and Keswick (10.1 miles), and the rest of Cumbria.