Two-storey extensions in Amlwch
From over-garage bedrooms to full wraparounds, we cover every kind of two-storey extension in Amlwch.
Amlwch at a glance
- Postcode districts
- LL66, LL67, LL68, LL69, LL70 and LL72
- Area
- Gwynedd and Anglesey, Wales
- Price region
- Wales
- Nearest towns
- Llangefni (10.8 miles), Holyhead (13.8 miles), Menai Bridge (14.6 miles), Bangor (Gwynedd and Anglesey) (15.5 miles)
- Distance to Bangor (Gwynedd and Anglesey)
- about 15.5 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.
Amlwch sits about 15.5 miles from Bangor (Gwynedd and Anglesey). Closer to home, Llangefni is 10.8 miles away and Holyhead 13.8 miles.
Extensions available in Amlwch

Two-storey rear extensions
Design, approvals and build for Amlwch homes. Guide from £51,500.
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Two-storey side extensions
Design, approvals and build for Amlwch homes. Guide from £79,000.
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Two-storey wraparound extensions
Our Wales guide starts at £111,000 for this type.
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Part single, part two-storey extensions
Guide from £66,000 in Amlwch, including VAT.
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Extensions over a garage
Design, approvals and build for Amlwch homes. Guide from £29,000.
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First-floor extensions
From £23,000 in Amlwch. Free visit to firm it up.
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Two-storey extensions for semi-detached houses
Our Wales guide starts at £51,500 for this type.
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Two-storey extensions for detached houses
Guide from £79,000 in Amlwch, including VAT.
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Kitchen extensions with bedrooms above
Guide from £51,500 (before kitchen units) in Amlwch, including VAT.
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Extra bedroom and en-suite extensions
Guide from £51,500 (plus en-suite) in Amlwch, including VAT.
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 Amlwch 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 Amlwch
Amlwch 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 Amlwch
Do you cover Amlwch?
Yes. We cover Amlwch (LL66, LL67, LL68, LL69, LL70 and LL72) and the surrounding area, including Llangefni and Holyhead. The first site visit is free.
What does a two-storey extension cost in Amlwch?
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 Amlwch do you cover?
Everywhere around it, including Llangefni (10.8 miles), Holyhead (13.8 miles) and Menai Bridge (14.6 miles), and the rest of Gwynedd and Anglesey.