External wall insulation in Dundrum
Direct external wall insulation contractor serving Dundrum, Co. Dublin. Certified Baumit systems with direct SEAI grant deduction.
We install certified Baumit external wall insulation systems across Dundrum, covering Taney, Ballinteer, Churchtown, Windy Arbour, and mature residential estates. Direct contractor crews, SEAI grants deducted from invoice, and custom aluminium sills from Cills.ie.
Planning Regulations in Dundrum
Planning Authority: Dublin City Council / Fingal / Dún Laoghaire-Rathdown / South Dublin County Council
EWI is exempted development for standard Dundrum residential estates. We verify all details during the on-site survey.
2026 SEAI Grants in Dundrum
We process your SEAI grant paperwork directly and deduct the grant value from your invoice.
Step 1 of 3
1. Property Profile
Select your building details to start your out-of-pocket calculation.
*Note: Properties must be built and occupied before 2011 to qualify for the SEAI grant.
NSAI-Certified Baumit Systems Installed in Dundrum
Every wrap in Dundrum includes bespoke powder-coated aluminium window sills fabricated by our sister workshop, Cills.ie.
Baumit EPS System · Dundrum
NSAI-certified graphite EPS boards mechanically anchored and bonded, finished with weather-resistant SilikonTop silicone render and custom Cills.ie aluminium sills.
Baumit openSystem & Sto (on request)
Vapour-permeable breathable systems for solid masonry walls, with unclipped gas meter box brackets and sleeved wall ventilation. Sto systems also installed on request.
Frequently Asked Questions (Dundrum)
How much does external insulation cost in Dundrum?+
Semi-detached homes in Dundrum cost €13,000 to €19,000 gross (net €7,000 to €13,000 after €6,000 SEAI grant). Detached homes receive €8,000, mid-terrace homes €3,500, and apartments €3,000.
Why choose external insulation over internal drylining in Dundrum?+
EWI wraps the entire building structure without reducing interior room sizes, eliminating thermal bridges at floor joists and avoiding internal re-wiring or re-plumbing.
Who handles the SEAI grant paperwork in Dundrum?+
Isotherm is an SEAI Registered Contractor (#10423). We handle all pre-works applications and deduct the grant value directly from your invoice.
Book your on-site wall survey in Dundrum
We survey your property, specify the certified Baumit system, calculate your SEAI grant, and carry out the installation with our direct crews.
