
How Much Does a Deep Retrofit Cost?
Timothy GaultHow Much Does a Deep Retrofit Cost?
A deep retrofit is one of the best ways to improve energy efficiency and reduce heating costs. At BAYT, we help homeowners achieve energy-efficient homes with cost-effective solutions.
What is a Deep Retrofit?
A deep retrofit upgrades your home to near-zero energy standards by improving insulation, heating systems, ventilation, and adding renewable energy sources.
How Much Does a Deep Retrofit Cost?
The cost depends on home size and upgrade scope. Estimated costs for key components:
- Insulation Upgrades: €8,000 - €30,000
- Heating System Upgrade: €7,000 - €20,000
- Ventilation System: €5,000 - €12,000
- Window & Door Upgrades: €8,000 - €20,000
- Solar Energy Installation: €5,000 - €15,000
Total Cost Estimate: €30,000 - €120,000, depending on work required.
SEAI Grants & Funding
The Sustainable Energy Authority of Ireland (SEAI) offers grants to reduce retrofit costs:
- Home Energy Upgrade Grant: Up to €25,000
- Heat Pump Grant: €6,500
- External Wall Insulation: Up to €8,000
- Attic Insulation: €1,500
- Solar PV Panels: Up to €2,400
Benefits of a Deep Retrofit
- Lower Energy Bills: Reduce heating costs by 50-80%.
- Improved Comfort: Better insulation eliminates drafts and dampness.
- Higher BER Rating: Increases property value.
- Sustainability: Reduces carbon footprint and reliance on fossil fuels.
Why Choose BAYT?
- Expert Guidance: Maximize SEAI grants and savings.
- Sustainable Solutions: Use energy-efficient materials and technology.
- End-to-End Service: We handle everything from design to installation.
Get a Free Consultation Today!
Ready to future-proof your home? Contact BAYT today for expert advice and a tailored deep retrofit plan.

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