TRADES & CONSTRUCTION · 24 PROVIDERSTRADES & CONSTRUCTION · 24 PROVIDERS ACROSS IRELAND · GUIDE PRICE FROM €700 PER JOB
Cavity wall insulation involves filling the space between the inner and outer walls of a property with insulating material to improve energy efficiency. This service typically includes assessing the existing wall structure, choosing the appropriate insulation material, and using specific techniques to inject or install the insulation effectively.
WHAT IT COSTS
Cavity wall insulation is priced per job by property size — one of the cheapest efficiency upgrades, often grant-supported. Enter your town above for real prices from the builders and trades near you.
Guide prices compiled by the Locufy team from published Irish and UK provider price lists and 2026/27 cost guides. Updated 2026. Full cavity wall insulation price guide →
GUIDE PRICE · PER JOB
Not a quote. Prices vary by job, area and provider.
WHAT IT COVERS
A thorough evaluation of the property's wall structure and existing insulation condition to determine the best approach.
The process of injecting or fitting insulation material into the cavity to enhance thermal efficiency.
Addressing any moisture issues before insulation to prevent future damp-related problems.
Safely extracting old or damaged insulation materials that may be causing problems.
Enhancing airflow in the property to prevent condensation and maintain air quality post-insulation.
Evaluating the impact of insulation on energy bills and comfort levels after installation.
MONEY BACK
Public schemes that can apply to cavity wall insulation in Ireland.
Who: Owner of a home built and occupied before 2011. Work by an SEAI-registered contractor, with a BER after the works.
Official details on seai.ie →Who: Homeowners getting certain social welfare payments. The scheme prioritises the oldest, least energy-efficient homes.
Official details on seai.ie →Schemes change. The amounts above were checked on the dates shown; the official page is the one that counts.
LISTED ON LOCUFY
The most-reviewed providers listed for cavity wall insulation. Enter your town above to see the ones that cover you.
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The cost can vary based on the size of the property, the type of insulation material chosen, and any necessary repairs to the walls. Accessibility and the complexity of the installation may also affect pricing.
Typically, the installation of cavity wall insulation can be completed in a day for an average-sized home. However, larger properties or those requiring extensive repairs may take longer.
While general insulation professionals can perform cavity wall insulation, hiring a qualified specialist ensures compliance with building regulations and standards. This is particularly important if structural work is involved.
Emergency services for cavity wall insulation are rare, as the process requires planning and assessment. However, some contractors may offer expedited services depending on their availability.
Yes, many contractors offer package deals for multiple services such as insulation, draught-proofing, or energy efficiency audits. This can often lead to cost savings.
Cavity wall insulation does not cover repairs to existing structural damage or issues such as damp proofing. These should be addressed separately to ensure proper insulation performance.
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