Two-storey extensions in Abbots Langley
Everything for a two-storey extension in Abbots Langley, in one place: types, guide prices for the East of England, the approval rules in England and how to get started.
Abbots Langley at a glance
- Postcode districts
- WD4 and WD5
- Area
- Hertfordshire, England
- Price region
- East of England
- Nearest towns
- North Watford (2 miles), Leverstock Green (3 miles), West Watford (3.3 miles), Hemel Hempstead (3.6 miles)
- Distance to Watford
- about 3.6 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.
Abbots Langley sits about 3.6 miles from Watford. Closer to home, North Watford is 2.0 miles away and Leverstock Green 3.0 miles.
Extensions available in Abbots Langley
Two-storey rear extensions
From £57,500 in Abbots Langley. Free visit to firm it up.
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Two-storey side extensions
Abbots Langley guide price from £88,500, Standard spec.
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Two-storey wraparound extensions
Abbots Langley guide price from £124,000, Standard spec.
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Part single, part two-storey extensions
Abbots Langley guide price from £74,000, Standard spec.
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Extensions over a garage
For homes in Abbots Langley: typical guide from £32,500.
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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
Guide from £57,500 in Abbots Langley, including VAT.
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Two-storey extensions for detached houses
Abbots Langley guide price from £88,500, Standard spec.
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Kitchen extensions with bedrooms above
Our East of England guide starts at £57,500 (before kitchen units) for this type.
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Extra bedroom and en-suite extensions
Abbots Langley guide price from £57,500 (plus en-suite), Standard spec.
Learn moreWhich type suits your house?
Rear, side, wraparound or over the garage: each adds space in a different way. For most houses in Hertfordshire, one or two of these will clearly suit the plot better than the rest, and we'll tell you which.
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 Abbots Langley
Abbots Langley 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 Abbots Langley
Do you cover Abbots Langley?
Yes. We cover Abbots Langley (WD4 and WD5) and the surrounding area, including North Watford and Leverstock Green. The first site visit is free.
What does a two-storey extension cost in Abbots Langley?
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 Abbots Langley do you cover?
Everywhere around it, including North Watford (2 miles), Leverstock Green (3 miles) and West Watford (3.3 miles), and the rest of Hertfordshire.