Two-storey extensions in North Watford
From over-garage bedrooms to full wraparounds, we cover every kind of two-storey extension in North Watford.
North Watford at a glance
- Postcode districts
- WD24 and WD25
- Area
- Hertfordshire, England
- Price region
- East of England
- Nearest towns
- Watford (1.8 miles), West Watford (1.9 miles), Abbots Langley (2 miles), Holywell (Hertfordshire) (2.6 miles)
- Distance to Watford
- about 1.8 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 North Watford we also work in Watford, West Watford and Abbots Langley, and across the rest of Hertfordshire. Postcode districts in and near North Watford: WD24 and WD25.
Extensions available in North Watford
Two-storey rear extensions
Design, approvals and build for North Watford homes. Guide from £57,500.
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Two-storey side extensions
Design, approvals and build for North Watford homes. Guide from £88,500.
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Two-storey wraparound extensions
From £124,000 in North Watford. Free visit to firm it up.
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Part single, part two-storey extensions
North Watford guide price from £74,000, Standard spec.
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Extensions over a garage
Design, approvals and build for North Watford homes. Guide from £32,500.
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First-floor extensions
Design, approvals and build for North Watford homes. Guide from £26,000.
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Two-storey extensions for semi-detached houses
Guide from £57,500 in North Watford, including VAT.
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Two-storey extensions for detached houses
Guide from £88,500 in North Watford, including VAT.
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Kitchen extensions with bedrooms above
North Watford guide price from £57,500 (before kitchen units), Standard spec.
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Extra bedroom and en-suite extensions
Guide from £57,500 (plus en-suite) in North Watford, including VAT.
Learn moreWhich type suits your house?
The boundaries usually decide it. Two-storey work close to a neighbour needs careful design for light and privacy, so at the visit in North Watford we measure distances to every boundary before suggesting a type.
Also available in Hertfordshire
- 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 North Watford
North Watford 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 North Watford
Do you cover North Watford?
Yes. We cover North Watford (WD24 and WD25) and the surrounding area, including Watford and West Watford. The first site visit is free.
What does a two-storey extension cost in North Watford?
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 North Watford do you cover?
Everywhere around it, including Watford (1.8 miles), West Watford (1.9 miles) and Abbots Langley (2 miles), and the rest of Hertfordshire.