Two-storey extensions in Whitehaven
Everything for a two-storey extension in Whitehaven, in one place: types, guide prices for North West England, the approval rules in England and how to get started.
Whitehaven at a glance
- Postcode districts
- CA28
- Area
- Cumbria, England
- Price region
- North West England
- Nearest towns
- Cleator Moor (3.3 miles), Egremont (5.3 miles), Workington (6.7 miles), Cockermouth (11.9 miles)
- Distance to Carlisle
- about 35.2 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.
Whitehaven sits about 35.2 miles from Carlisle. Closer to home, Cleator Moor is 3.3 miles away and Egremont 5.3 miles.
Extensions available in Whitehaven
Two-storey rear extensions
For homes in Whitehaven: typical guide from £53,000.
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Two-storey side extensions
Whitehaven guide price from £82,000, Standard spec.
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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
For homes in Whitehaven: typical guide from £68,500.
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Extensions over a garage
From £30,000 in Whitehaven. Free visit to firm it up.
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First-floor extensions
For homes in Whitehaven: typical guide from £24,000.
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Two-storey extensions for semi-detached houses
From £53,000 in Whitehaven. Free visit to firm it up.
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Two-storey extensions for detached houses
From £82,000 in Whitehaven. Free visit to firm it up.
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Kitchen extensions with bedrooms above
Whitehaven guide price from £53,000 (before kitchen units), Standard spec.
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Extra bedroom and en-suite extensions
Design, approvals and build for Whitehaven homes. Guide from £53,000 (plus en-suite).
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 Whitehaven, with a rough idea of the approval route and cost for each.
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 Whitehaven
Whitehaven 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 Whitehaven
Do you cover Whitehaven?
Yes. We cover Whitehaven (CA28) and the surrounding area, including Cleator Moor and Egremont. The first site visit is free.
What does a two-storey extension cost in Whitehaven?
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 Whitehaven do you cover?
Everywhere around it, including Cleator Moor (3.3 miles), Egremont (5.3 miles) and Workington (6.7 miles), and the rest of Cumbria.