Heating Resources
Heating & Boiler Guides
Compare boilers, heat pumps, and heating upgrades. Understand costs, EPC impact, and available grants to make the right choice for your home.
Heating and Your EPC Rating
Your heating system is one of the biggest factors in your EPC rating. An inefficient boiler or outdated heating controls can drag your rating down by several bands, while modern systems can provide significant improvements.
Whether you're considering a boiler replacement, upgrading to a heat pump, or improving your heating controls, understanding the costs and EPC impact helps you make informed decisions.
Nationally, about 53% of EPC-rated homes are still below band C, and heating systems are a major reason why. Upgrading an old boiler or moving to a low-carbon system can be one of the most effective ways to lift your EPC rating.
Heating Guides & Resources
New Boiler Cost UK (2025)
Complete price guide for combi, system and regular boilers including installation.
Does a New Boiler Improve Your EPC?
How boiler efficiency affects your rating and what improvement to expect.
Boiler Grants UK 2025
Available funding and schemes to help with boiler replacement costs.
Air Source Heat Pump Costs
Prices, running costs, and whether a heat pump is right for your home.
Heat Pump Guide
Everything you need to know about heat pumps for UK homes.
Boiler vs Heat Pump Costs
Compare upfront and running costs to make the right choice.
Boiler Upgrade Guide
When to repair vs replace and how to choose the right boiler.
Home Energy Grants UK
All available grants for heating, insulation, and energy improvements.
Frequently Asked Questions
Does a new boiler improve my EPC rating?
Yes, upgrading from an old G-rated boiler to a modern A-rated condensing boiler can improve your EPC by 1-2 bands and significantly reduce energy bills.
How much does a new boiler cost in 2025?
A combi boiler replacement typically costs £2,000-£3,000+ including installation. System boilers and relocations cost more. Prices vary by boiler type, brand, and installation complexity.
Are heat pumps better than boilers for EPC?
Heat pumps generally provide better EPC improvements than gas boilers because they use renewable energy. However, they require suitable property conditions and have higher upfront costs, often offset by grants.
What grants are available for heating upgrades?
The Boiler Upgrade Scheme offers £7,500 towards heat pumps. ECO4 provides funding for boiler replacements in eligible homes. Local authority schemes may also be available.
See How Heating Affects Your EPC
Check your property's EPC to see your current heating efficiency rating and personalised improvement recommendations.