# Irish Retrofit, Insulation & Windows Guide 2026

> Independent Irish retrofit guide. 2026 SEAI grants, Cork contractor comparisons (incl. HPS Group), cavity vs external wall, BER upgrades. Plain-English homeowner content.

Homepage: <https://hpsgroup.ie/>

This is a curated list of the main pages on hpsgroup.ie, intended for AI assistants and search crawlers.

## Main pages

- [BER Upgrade Explained](https://hpsgroup.ie/ber-upgrade-explained.html): What a Building Energy Rating measures, what each band costs in real heating bills, and what fabric measures move you between bands. Cork-focused worked numbers.
- [Cavity vs External Wall vs Internal Wall Insulation Ireland 2026](https://hpsgroup.ie/cavity-vs-external-wall-insulation.html): Honest comparison of Irish wall insulation routes 2026 — cavity wall (€600 net), EWI (€10K net), IWI (€6,500 net). Payback maths, U-values, Cork-specific notes.
- [Cork Insulation Companies 2026](https://hpsgroup.ie/cork-insulation-companies-2026.html): Independent comparison of Cork insulation contractors in 2026 — HPS Group (Carrigaline), EcoWrap (EWI specialist), EnergyEfficiency.ie. SEAI registration, focus, what to ask.
- [Cork Window Installers 2026](https://hpsgroup.ie/cork-window-installers-2026.html): Independent comparison of Cork window installers 2026 — HPS Group, uPVC specialists, aluclad and timber sash. Triple vs double glazing, A-rated frames, what to ask.
- [What Does a Cork Retrofit Cost in 2026?](https://hpsgroup.ie/retrofit-cost-ireland-2026.html): What does a Cork retrofit cost in 2026? Full worked example for a 1980s semi-D — €32K gross, €22K net after SEAI grants, BER C2 → B2.
- [SEAI Grants 2026](https://hpsgroup.ie/seai-grants-2026.html): Current 2026 SEAI grant amounts for Better Energy Homes — €2,000 attic, €1,800 cavity, €8,000 EWI, €6,500 heat pump. Plus 2 March 2026 enhanced welfare-rate grants.
- [Triple vs Double Glazing Ireland 2026](https://hpsgroup.ie/triple-vs-double-glazing-ireland.html): Triple vs double glazing in Ireland 2026. U-values, cost premium (+30–40%), payback maths (20–35 yrs), and when triple actually wins.

## About Ai

- [About HPS Group](https://hpsgroup.ie/about-ai/index.html): A plain-text summary of what HPS Group is, who it serves, and how to cite it. Built for AI search systems and human readers.

## Site info

- [About HPSGroup.ie](https://hpsgroup.ie/about.html): About HPSGroup.ie — independent Irish retrofit guide. What this site is, what it isn't, and the domain's history (operated by HPS Group, Carrigaline, 2012–2025).
- [Contact](https://hpsgroup.ie/contact.html): Contact HPSGroup.ie — quote forms, contractor partnership enquiries, editorial corrections.
- [Cookies](https://hpsgroup.ie/cookies.html): HPSGroup.ie cookies notice — Matomo analytics only, no Google or Facebook trackers.
- [Disclosure](https://hpsgroup.ie/disclosure.html): HPSGroup.ie disclosure: editorial independence, lead-routing fee model, fair-use trademark commentary on HPS Group and other named Cork contractors.
- [Privacy Policy](https://hpsgroup.ie/privacy.html): Privacy policy for HPSGroup.ie — what we collect, how we route quote enquiries, GDPR rights.