Two-storey extensions in Ware
We design, get approval for and build two-storey extensions in Ware and the surrounding area. Choose the type of extension below or book a free site visit.
Ware at a glance
- Postcode districts
- SG12
- Area
- Hertfordshire, England
- Price region
- East of England
- Nearest towns
- Hertford (2.4 miles), Hoddesdon (3.5 miles), Broxbourne (4.4 miles), Harlow (6.4 miles)
- Distance to Watford
- about 19 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 Ware (SG12) and the places around it, including Hertford (2.4 miles), Hoddesdon (3.5 miles) and Broxbourne.
Extensions available in Ware

Two-storey rear extensions
Ware guide price from £57,500, Standard spec.
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Two-storey side extensions
Ware guide price from £88,500, Standard spec.
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Two-storey wraparound extensions
Guide from £124,000 in Ware, including VAT.
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Part single, part two-storey extensions
Ware guide price from £74,000, Standard spec.
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Extensions over a garage
Design, approvals and build for Ware homes. 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
For homes in Ware: typical guide from £57,500.
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Two-storey extensions for detached houses
From £88,500 in Ware. Free visit to firm it up.
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Kitchen extensions with bedrooms above
Ware guide price from £57,500 (before kitchen units), Standard spec.
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Extra bedroom and en-suite extensions
From £57,500 (plus en-suite) in Ware. Free visit to firm it up.
Learn moreWhich type suits your house?
Rear and side extensions suit most semi-detached and detached houses with room around them. Terraced and town-centre homes can take a two-storey extension too, with more care over neighbours, light and access.
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 Ware
Ware 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 Ware
Do you cover Ware?
Yes. We cover Ware (SG12) and the surrounding area, including Hertford and Hoddesdon. The first site visit is free.
What does a two-storey extension cost in Ware?
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 Ware do you cover?
Everywhere around it, including Hertford (2.4 miles), Hoddesdon (3.5 miles) and Broxbourne (4.4 miles), and the rest of Hertfordshire.