External Wall Insulation in Cavan
Direct external wall insulation contractor serving Cavan. Certified Sto and Baumit systems with SEAI grant deductions.
We install certified Baumit external wall insulation systems across County Cavan, serving homeowners in Cavan Town and surrounding areas.
Planning & Council Regulations in Cavan
Planning Authority: Cavan County Council
In County Cavan, external wall insulation is generally considered exempted development under planning regulations, provided it does not change the essential character of the area. However, if your building is listed as a Protected Structure or lies in a Conservation Area, you should consult with Cavan County Council before beginning installation.
2026 SEAI Grants in Cavan
We process the SEAI grant paperwork on your behalf and deduct the grant amount directly from your invoice.
Areas Covered in Cavan
Our installation crews cover towns and residential estates across Cavan, including:
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.
Certified Sto & Baumit Systems Installed in Cavan
Every wrap in Cavan includes bespoke powder-coated aluminium window sills fabricated by our sister workshop, Cills.ie.

StoTherm Classic System · Cavan
High-durability organic basecoat and self-cleaning silicone topcoat with custom aluminium sills preventing cold bridges.

Baumit openSystem · Cavan
Vapour-permeable breathable insulation with unclipped gas meter box brackets and sleeved wall ventilation.
Frequently Asked Questions (Cavan)
Do I need planning permission for EWI in Cavan?+
For most standard homes in County Cavan, EWI is exempt from planning. However, for historical structures or properties in conservation areas, you must check with Cavan County Council.
How much is the SEAI grant for external insulation in Cavan?+
SEAI offers grants of up to €8,000 for detached houses, €6,000 for semi-detached/end-terrace houses, €3,500 for mid-terrace houses, and €3,000 for apartments in County Cavan. Isotherm deducts this directly from your invoice.
Book your on-site wall survey in Cavan
We survey your property, specify the certified Sto or Baumit system, calculate your SEAI grant, and carry out the installation with direct crews.