Two-storey extensions in Desborough
Everything for a two-storey extension in Desborough, in one place: types, guide prices for the East Midlands, the approval rules in England and how to get started.
Desborough at a glance
- Postcode districts
- LE16
- Area
- Northamptonshire, England
- Price region
- East Midlands
- Nearest towns
- Market Harborough (4.9 miles), Kettering (5 miles), Corby (6.7 miles), Uppingham (10.9 miles)
- Distance to Northampton
- about 13.5 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 postcode district LE16 in and around Desborough, along with neighbouring Market Harborough, Kettering and Corby.
Extensions available in Desborough
Two-storey rear extensions
Guide from £55,000 in Desborough, including VAT.
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Two-storey side extensions
From £84,500 in Desborough. Free visit to firm it up.
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Two-storey wraparound extensions
From £118,000 in Desborough. Free visit to firm it up.
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Part single, part two-storey extensions
For homes in Desborough: typical guide from £70,500.
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Extensions over a garage
Our East Midlands guide starts at £31,000 for this type.
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First-floor extensions
Our East Midlands guide starts at £24,500 for this type.
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Two-storey extensions for semi-detached houses
From £55,000 in Desborough. Free visit to firm it up.
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Two-storey extensions for detached houses
Our East Midlands guide starts at £84,500 for this type.
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Kitchen extensions with bedrooms above
Guide from £55,000 (before kitchen units) in Desborough, including VAT.
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Extra bedroom and en-suite extensions
For homes in Desborough: typical guide from £55,000 (plus en-suite).
Learn moreWhich type suits your house?
Rear, side, wraparound or over the garage: each adds space in a different way. For most houses in Northamptonshire, one or two of these will clearly suit the plot better than the rest, and we'll tell you which.
Also available in Northamptonshire
- 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 Desborough
Desborough 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 Desborough
Do you cover Desborough?
Yes. We cover Desborough (LE16) and the surrounding area, including Market Harborough and Kettering. The first site visit is free.
What does a two-storey extension cost in Desborough?
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 Desborough do you cover?
Everywhere around it, including Market Harborough (4.9 miles), Kettering (5 miles) and Corby (6.7 miles), and the rest of Northamptonshire.