Two-storey extensions in Whitby
Homeowners in Whitby can use us for the whole project or just the drawings and approvals. Start with a free visit.
Whitby at a glance
- Postcode districts
- YO21 and YO22
- Area
- North Yorkshire, England
- Price region
- Yorkshire and the Humber
- Nearest towns
- Scarborough (16.7 miles), Guisborough (18 miles), Ingleby Greenhow (19.9 miles), Redcar (19.9 miles)
- Distance to York
- about 41.2 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.
Whitby sits about 41.2 miles from York. Closer to home, Scarborough is 16.7 miles away and Guisborough 18.0 miles.
Extensions available in Whitby
Two-storey rear extensions
Our Yorkshire and the Humber guide starts at £51,500 for this type.
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Two-storey side extensions
Design, approvals and build for Whitby homes. Guide from £79,000.
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Two-storey wraparound extensions
From £111,000 in Whitby. Free visit to firm it up.
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Part single, part two-storey extensions
From £66,000 in Whitby. Free visit to firm it up.
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Extensions over a garage
From £29,000 in Whitby. Free visit to firm it up.
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First-floor extensions
Design, approvals and build for Whitby homes. Guide from £23,000.
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Two-storey extensions for semi-detached houses
Guide from £51,500 in Whitby, including VAT.
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Two-storey extensions for detached houses
Whitby guide price from £79,000, Standard spec.
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Kitchen extensions with bedrooms above
For homes in Whitby: typical guide from £51,500 (before kitchen units).
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Extra bedroom and en-suite extensions
For homes in Whitby: typical guide from £51,500 (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 Whitby, with a rough idea of the approval route and cost for each.
Also available in North Yorkshire
- 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 Whitby
Whitby 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 Whitby
Do you cover Whitby?
Yes. We cover Whitby (YO21 and YO22) and the surrounding area, including Scarborough and Guisborough. The first site visit is free.
What does a two-storey extension cost in Whitby?
Using our Yorkshire and the Humber 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 £51,500–£69,500 including VAT. An extension over a garage is about £29,000–£42,000.
Which other places near Whitby do you cover?
Everywhere around it, including Scarborough (16.7 miles), Guisborough (18 miles) and Ingleby Greenhow (19.9 miles), and the rest of North Yorkshire.