Two-storey extensions in Lymm
From over-garage bedrooms to full wraparounds, we cover every kind of two-storey extension in Lymm.
Lymm at a glance
- Postcode districts
- WA13
- Area
- Cheshire, England
- Price region
- North West England
- Nearest towns
- Warrington (4.3 miles), Irlam (4.8 miles), Altrincham (5.3 miles), Hale (Greater Manchester) (6 miles)
- Distance to Warrington
- about 4.3 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 WA13 in and around Lymm, along with neighbouring Warrington, Irlam and Altrincham.
Extensions available in Lymm
Two-storey rear extensions
Lymm guide price from £53,000, Standard spec.
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Two-storey side extensions
Lymm guide price from £82,000, Standard spec.
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Two-storey wraparound extensions
From £114,500 in Lymm. Free visit to firm it up.
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Part single, part two-storey extensions
Design, approvals and build for Lymm homes. Guide from £68,500.
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Extensions over a garage
For homes in Lymm: typical guide from £30,000.
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First-floor extensions
Our North West England guide starts at £24,000 for this type.
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Two-storey extensions for semi-detached houses
Design, approvals and build for Lymm homes. Guide from £53,000.
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Two-storey extensions for detached houses
Our North West England guide starts at £82,000 for this type.
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Kitchen extensions with bedrooms above
For homes in Lymm: typical guide from £53,000 (before kitchen units).
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Extra bedroom and en-suite extensions
Our North West England guide starts at £53,000 (plus en-suite) for this type.
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 Lymm we also design annexes, home offices and bedrooms over garages.
Also available in Cheshire
- 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 Lymm
Lymm 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 Lymm
Do you cover Lymm?
Yes. We cover Lymm (WA13) and the surrounding area, including Warrington and Irlam. The first site visit is free.
What does a two-storey extension cost in Lymm?
Using our North West 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 £53,000–£72,000 including VAT. An extension over a garage is about £30,000–£43,500.
Which other places near Lymm do you cover?
Everywhere around it, including Warrington (4.3 miles), Irlam (4.8 miles) and Altrincham (5.3 miles), and the rest of Cheshire.