Two-storey extensions in Flitwick
Homeowners in Flitwick can use us for the whole project or just the drawings and approvals. Start with a free visit.
Flitwick at a glance
- Postcode districts
- MK45
- Area
- Bedfordshire, England
- Price region
- East of England
- Nearest towns
- Ampthill (1.6 miles), Kempston Hardwick (6 miles), Kempston (7.8 miles), Dunstable (8.2 miles)
- Distance to Luton
- about 9.2 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.
Flitwick sits about 9.2 miles from Luton. Closer to home, Ampthill is 1.6 miles away and Kempston Hardwick 6.0 miles.
Extensions available in Flitwick
Two-storey rear extensions
Flitwick guide price from £57,500, Standard spec.
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Two-storey side extensions
From £88,500 in Flitwick. Free visit to firm it up.
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Two-storey wraparound extensions
For homes in Flitwick: typical guide from £124,000.
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Part single, part two-storey extensions
Guide from £74,000 in Flitwick, including VAT.
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Extensions over a garage
From £32,500 in Flitwick. Free visit to firm it up.
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First-floor extensions
Our East of England guide starts at £26,000 for this type.
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Two-storey extensions for semi-detached houses
From £57,500 in Flitwick. Free visit to firm it up.
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Two-storey extensions for detached houses
From £88,500 in Flitwick. Free visit to firm it up.
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Kitchen extensions with bedrooms above
Flitwick guide price from £57,500 (before kitchen units), Standard spec.
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Extra bedroom and en-suite extensions
Flitwick guide price from £57,500 (plus en-suite), Standard spec.
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 Flitwick we also design annexes, home offices and bedrooms over garages.
Also available in Bedfordshire
- 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 Flitwick
Flitwick 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 Flitwick
Do you cover Flitwick?
Yes. We cover Flitwick (MK45) and the surrounding area, including Ampthill and Kempston Hardwick. The first site visit is free.
What does a two-storey extension cost in Flitwick?
Using our East of 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 £57,500–£78,000 including VAT. An extension over a garage is about £32,500–£47,500.
Which other places near Flitwick do you cover?
Everywhere around it, including Ampthill (1.6 miles), Kempston Hardwick (6 miles) and Kempston (7.8 miles), and the rest of Bedfordshire.