Two-storey extensions in Mansfield
Homeowners in Mansfield can use us for the whole project or just the drawings and approvals. Start with a free visit.
Mansfield at a glance
- Postcode districts
- NG18 and NG21
- Area
- Nottinghamshire, England
- Price region
- East Midlands
- Nearest towns
- Mansfield Woodhouse (2.2 miles), Sutton-in-Ashfield (2.6 miles), Kirkby-in-Ashfield (2.9 miles), Shirebrook (4.9 miles)
- Distance to Nottingham
- about 12.6 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 Mansfield we also work in Mansfield Woodhouse, Sutton-in-Ashfield and Kirkby-in-Ashfield, and across the rest of Nottinghamshire. Postcode districts in and near Mansfield: NG18 and NG21.
Extensions available in Mansfield
Two-storey rear extensions
Mansfield guide price from £55,000, Standard spec.
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Two-storey side extensions
For homes in Mansfield: typical guide from £84,500.
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Two-storey wraparound extensions
Mansfield guide price from £118,000, Standard spec.
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Part single, part two-storey extensions
Design, approvals and build for Mansfield homes. Guide from £70,500.
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Extensions over a garage
Mansfield guide price from £31,000, Standard spec.
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First-floor extensions
From £24,500 in Mansfield. Free visit to firm it up.
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Two-storey extensions for semi-detached houses
Our East Midlands guide starts at £55,000 for this type.
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Two-storey extensions for detached houses
Design, approvals and build for Mansfield homes. Guide from £84,500.
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Kitchen extensions with bedrooms above
Our East Midlands guide starts at £55,000 (before kitchen units) for this type.
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Extra bedroom and en-suite extensions
From £55,000 (plus en-suite) in Mansfield. 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 Mansfield we also design annexes, home offices and bedrooms over garages.
Also available in Nottinghamshire
- 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 Mansfield
Mansfield 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 Mansfield
Do you cover Mansfield?
Yes. We cover Mansfield (NG18 and NG21) and the surrounding area, including Mansfield Woodhouse and Sutton-in-Ashfield. The first site visit is free.
What does a two-storey extension cost in Mansfield?
Using our East Midlands 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 £55,000–£74,000 including VAT. An extension over a garage is about £31,000–£45,000.
Which other places near Mansfield do you cover?
Everywhere around it, including Mansfield Woodhouse (2.2 miles), Sutton-in-Ashfield (2.6 miles) and Kirkby-in-Ashfield (2.9 miles), and the rest of Nottinghamshire.