How much does a house extension cost in Galway?

In Galway, house extensions typically charge €40,000 – €150,000. Prices can vary depending on the complexity of the work and the specific location within the county.

How do I find a reputable house extension in Galway?

All house extensions in Ireland must be registered with the Local Authority Planning Department. You can verify any professional's credentials at https://www.gov.ie/en/service/planning-permission/. Using OneClickGo ensures you're connected with regulated, vetted professionals only.

How much does a house extension cost in Ireland?

A single-storey rear extension typically costs €1,500–€2,500 per m². A standard 25m² extension costs €40,000–€60,000 fully finished including VAT. Two-storey extensions cost more due to structural complexity.

Do I need planning permission for a house extension in Ireland?

Extensions under 40m² to the rear of a house may qualify as exempted development, provided they meet certain conditions. Side extensions and any extension that brings the total over 40m² require full planning permission.

Galway, Ireland

Find a House Extension in Galway

The west's largest city-county, with a vibrant urban core and extensive rural hinterland. Get free quotes from regulated house extensions in Galway.

Typical cost: €40,000 – €150,000

Get Free Quotes in Galway

We'll match you with house extensions in Galway. Takes 60 seconds — quotes typically within 2 hours.

House Extensions in Galway

Whether you're buying, selling, or renting in Galway, you'll need a reliable house extension.The west's largest city-county, with a vibrant urban core and extensive rural hinterland. All house extensions on our platform are regulated by the Local Authority Planning Department.

Single-storey rear extensions

Two-storey and side-return extensions

Kitchen and living space expansions

Planning permission applications

Structural engineer certification

Full project management

FAQs: House Extensions in Galway

House Extensions in Nearby Counties

Clare Mayo Offaly Roscommon Tipperary

Regulation

All house extensions in Ireland are regulated by the Local Authority Planning Department.

Verify credentials

Other Services in Galway