Question 1

How much does a house extension cost in Mayo?

Accepted Answer

In Mayo, 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.

Question 2

How do I find a reputable house extension in Mayo?

Accepted Answer

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.

Question 3

How much does a house extension cost in Ireland?

Accepted Answer

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.

Question 4

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

Accepted Answer

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.

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