Portumna, Co. Galway

Cavity wall insulation in Portumna, Co. Galway

Pumping insulation into a cavity, where the wall is suitable for it. Post your task free and professionals working in Portumna reply with their own price. You choose, and pay them directly.

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County Galway: 32.6% of households here are in dwellings built before 1981.

Cavity wall insulation near Portumna

Cavity wall insulation: what the job involves

Blowing insulating beads or fibre into the gap between the two leaves of a cavity block wall through small holes drilled in the outside, then filling the holes. Most Irish houses built from the 1970s to the early 2000s have cavities that can be filled in a day.

How long it takes: Usually one day for a typical house; longer for a large detached house or where some walls need extra checks.

The full guide to cavity wall insulation — the steps, what is included, the Irish rules, paperwork and questions to ask.

What cavity wall insulation in Portumna costs, and why

What jobs on Talqero came to

Not enough comparable jobs yet to publish a range here. Talqero shows a price range only once at least five comparable jobs, agreed prices or offers exist — a range from fewer would describe a handful of jobs, not the market. Post your job and compare the offers you get.

What affects the price

Wall area and the number of elevations
Cavity width and whether there is already a partial fill
Access: extensions, conservatories and tight side passages
Wall finish, since rendered and brick walls are drilled and made good differently
Vents and flues that need sleeving
VAT: building work on a home is charged at the reduced rate of 13.5% by a VAT-registered business — unless the materials come to more than two-thirds of the price, when Revenue’s two-thirds rule applies the goods rate to the whole job. Ask whether a quote includes VAT.

County Galway: what the figures say

32.6% of households in County Galway live in homes built before 1981 — below the national figure of 40.7%, and the 23rd highest share of the 26 counties.
Homes of that age were built before modern insulation standards and usually gain most from attic and wall insulation — and SEAI’s attic and wall grants cover homes built and occupied before 2011.
Central Statistics Office, 2022

Rules and grants for cavity wall insulation

The rules in Ireland

Grant-aided insulation must be done by a contractor on SEAI’s register, after grant approval, with a BER afterwards.

Use a contractor on SEAI’s register and get grant approval before any work starts — work begun before approval is not grant-aided.
The grant must be drawn down within eight months of the offer, and a BER by a registered assessor after the works is required (SEAI contributes €50 towards it).
Since 27 July 2026, external wall insulation of up to 15 cm is exempt from planning permission.

Sources · checked 9 October 2026

What to ask before you choose

Are you on SEAI’s contractor register for this measure?
Have I got grant approval in place before you start?
What ventilation will the house need afterwards?
Who arranges the BER after the works?
Is VAT included?

What the work usually involves

Internal dry-lining of external walls
Attic and cavity insulation
Draught-proofing
Work towards a better BER

What to put in your task

The type and rough age of the house
Which rooms or walls
Your current BER, if you have one
Whether you are applying for a grant

County Galway in figures

Active construction enterprises: 4,369; Central Statistics Office, 2023
Homes built before 1981: 32.6%; Central Statistics Office, 2022
Homes heated by natural gas: 7.6%; Central Statistics Office, 2022
Homes heated by oil: 54.1%; Central Statistics Office, 2022
Households: 98,654; Central Statistics Office, 2022

Construction as a whole. The CSO does not publish enterprise counts per trade at county level, so this figure is not a count of any one trade.

Cavity wall insulation · Portumna

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