Two-storey extensions in Bethesda
We design, get approval for and build two-storey extensions in Bethesda and the surrounding area. Choose the type of extension below or book a free site visit.
Bethesda at a glance
- Postcode districts
- LL57
- Area
- Gwynedd and Anglesey, Wales
- Price region
- Wales
- Nearest towns
- Bangor (Gwynedd and Anglesey) (4.3 miles), Menai Bridge (5.6 miles), Caernarfon (9.2 miles), Llangefni (11.6 miles)
- Distance to Bangor (Gwynedd and Anglesey)
- about 4.3 miles
- Approvals
- Two-storey rear: ground floor up to 4 m, first floor up to 3 m and 10.5 m from the rear boundary. Some two-storey side extensions can be permitted development.
We cover Bethesda (LL57) and the places around it, including Bangor (Gwynedd and Anglesey) (4.3 miles), Menai Bridge (5.6 miles) and Caernarfon.
Extensions available in Bethesda
Two-storey rear extensions
Design, approvals and build for Bethesda homes. Guide from £51,500.
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Two-storey side extensions
Bethesda guide price from £79,000, Standard spec.
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Two-storey wraparound extensions
Guide from £111,000 in Bethesda, including VAT.
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Part single, part two-storey extensions
For homes in Bethesda: typical guide from £66,000.
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Extensions over a garage
Our Wales guide starts at £29,000 for this type.
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First-floor extensions
Design, approvals and build for Bethesda homes. Guide from £23,000.
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Two-storey extensions for semi-detached houses
For homes in Bethesda: typical guide from £51,500.
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Two-storey extensions for detached houses
From £79,000 in Bethesda. Free visit to firm it up.
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Kitchen extensions with bedrooms above
From £51,500 (before kitchen units) in Bethesda. Free visit to firm it up.
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Extra bedroom and en-suite extensions
Our Wales guide starts at £51,500 (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 Bethesda we also design annexes, home offices and bedrooms over garages.
Also available in Gwynedd and Anglesey
- 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 Bethesda
Bethesda is in Wales. Two-storey rear: ground floor up to 4 m, first floor up to 3 m and 10.5 m from the rear boundary. Some two-storey side extensions can be permitted development. Householder planning application: £585. Councils normally decide householder applications within 8 weeks.
The full Wales rules explained
Questions about extensions in Bethesda
Do you cover Bethesda?
Yes. We cover Bethesda (LL57) and the surrounding area, including Bangor (Gwynedd and Anglesey) and Menai Bridge. The first site visit is free.
What does a two-storey extension cost in Bethesda?
Using our Wales 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 £51,500–£69,500 including VAT. An extension over a garage is about £29,000–£42,000.
Which other places near Bethesda do you cover?
Everywhere around it, including Bangor (Gwynedd and Anglesey) (4.3 miles), Menai Bridge (5.6 miles) and Caernarfon (9.2 miles), and the rest of Gwynedd and Anglesey.