Powys · Wales

Two-storey extensions in Gilwern

Need more room in Gilwern? Two-storey and first-floor extensions add bedrooms and living space without moving. Here's everything we offer locally.

Gilwern at a glance

Postcode districts
NP8
Area
Powys, Wales
Price region
Wales
Nearest towns
Abergavenny (3.3 miles), Blaenavon (3.5 miles), Brynmawr (4.2 miles), Ebbw Vale (5.9 miles)
Distance to Newtown
about 48.6 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 Gilwern (NP8) and the places around it, including Abergavenny (3.3 miles), Blaenavon (3.5 miles) and Brynmawr.

Extensions available in Gilwern

Which type suits your house?

Which type suits your house in Gilwern depends mostly on where you have room. A deep garden points to a rear extension; space beside the house points to a side or over-garage extension; a house that already has a single-storey extension can often take a first floor on top.

Also available in Powys

Rules for Gilwern

Gilwern 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 Gilwern

Do you cover Gilwern?

Yes. We cover Gilwern (NP8) and the surrounding area, including Abergavenny and Blaenavon. The first site visit is free.

What does a two-storey extension cost in Gilwern?

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 Gilwern do you cover?

Everywhere around it, including Abergavenny (3.3 miles), Blaenavon (3.5 miles) and Brynmawr (4.2 miles), and the rest of Powys.

Nearby towns

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