Two-storey extensions in Bangor (Gwynedd and Anglesey)
Everything for a two-storey extension in Bangor (Gwynedd and Anglesey), in one place: types, guide prices for Wales, the approval rules in Wales and how to get started.
Bangor (Gwynedd and Anglesey) at a glance
- Postcode districts
- LL57 and LL58
- Area
- Gwynedd and Anglesey, Wales
- Price region
- Wales
- Nearest towns
- Menai Bridge (1.7 miles), Bethesda (4.3 miles), Llangefni (7.7 miles), Caernarfon (8.3 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 Bangor (Gwynedd and Anglesey) (LL57 and LL58) and the places around it, including Menai Bridge (1.7 miles), Bethesda (4.3 miles) and Llangefni.
Extensions available in Bangor (Gwynedd and Anglesey)
Two-storey rear extensions
Our Wales guide starts at £51,500 for this type.
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Two-storey side extensions
Bangor (Gwynedd and Anglesey) guide price from £79,000, Standard spec.
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Two-storey wraparound extensions
Guide from £111,000 in Bangor (Gwynedd and Anglesey), including VAT.
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Part single, part two-storey extensions
Guide from £66,000 in Bangor (Gwynedd and Anglesey), including VAT.
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Extensions over a garage
Bangor (Gwynedd and Anglesey) guide price from £29,000, Standard spec.
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First-floor extensions
From £23,000 in Bangor (Gwynedd and Anglesey). Free visit to firm it up.
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Two-storey extensions for semi-detached houses
Bangor (Gwynedd and Anglesey) guide price from £51,500, Standard spec.
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Two-storey extensions for detached houses
Design, approvals and build for Bangor (Gwynedd and Anglesey) homes. Guide from £79,000.
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Kitchen extensions with bedrooms above
Design, approvals and build for Bangor (Gwynedd and Anglesey) homes. Guide from £51,500 (before kitchen units).
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Extra bedroom and en-suite extensions
From £51,500 (plus en-suite) in Bangor (Gwynedd and Anglesey). Free visit to firm it up.
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 Bangor (Gwynedd and Anglesey) we measure distances to every boundary before suggesting a type.
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 Bangor (Gwynedd and Anglesey)
Bangor (Gwynedd and Anglesey) 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 Bangor (Gwynedd and Anglesey)
Do you cover Bangor (Gwynedd and Anglesey)?
Yes. We cover Bangor (Gwynedd and Anglesey) (LL57 and LL58) and the surrounding area, including Menai Bridge and Bethesda. The first site visit is free.
What does a two-storey extension cost in Bangor (Gwynedd and Anglesey)?
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 Bangor (Gwynedd and Anglesey) do you cover?
Everywhere around it, including Menai Bridge (1.7 miles), Bethesda (4.3 miles) and Llangefni (7.7 miles), and the rest of Gwynedd and Anglesey.