Is Your Central Heating Costing You Too Much?
f your boiler is over 10 years old, you could be wasting hundreds of pounds every year on your energy bills. Here’s what upgrading could save you.
What You'll Save
Replacing a boiler from the 1990s:
- Annual saving: £400-£500
- Payback period: 5-7 years
- 10-year total saving: £4,000-£5,000
Replacing a boiler from 2000-2005:
- Annual saving: £250-£350
- Payback period: 7-9 years
- 10-year total saving: £2,500-£3,500
Replacing a boiler from 2005-2010:
- Annual saving: £100-£200
- Payback period: 10-12 years
- 10-year total saving: £1,000-£2,000
Add smart controls (Nest, Hive): Extra £75-£150 saved per year
Financial Help Available
ECO4 Scheme: Free or heavily subsidised boiler if you’re on benefits or low income (until March 2026)
0% VAT: Save 20% on installation costs through energy efficiency VAT relief
Interest-free finance: Spread the cost over 12-60 months with most installers
Property Value Boost
A new A-rated boiler improves your EPC rating by 1-2 bands:
- Band E to D: Adds £5,000-£8,000 to property value
- Band D to C: Adds £8,000-£15,000 to property value
- Band C to B: Adds £15,000-£20,000 to property value
Essential for landlords: From 2025, rental properties must have minimum EPC rating of C.
Which Boiler Should You Choose?
Combi Boiler – Most Popular Choice
- ✓ Hot water on demand
- ✓ No tanks needed (saves space)
- ✓ Cheapest to install
- ✗ Not ideal if multiple people shower at once
System Boiler – Family Homes
- ✓ Multiple taps can run simultaneously
- ✓ Works with solar panels
- ✗ Needs cylinder space
- ✗ Slightly more expensive
Regular Boiler – Large Properties
- ✓ Best for very high hot water demand
- ✓ Good for period properties
- ✗ Needs most space (cylinder + tank)
- ✗ Most expensive option
Warning Signs You Need a New Boiler
- Energy bills increasing despite same usage
- Boiler over 12 years old
- Frequent breakdowns (repair costs adding up)
- Yellow flame instead of blue
- Strange noises or leaks
- Takes ages to heat up
- EPC rating below C (especially if you’re a landlord)
Stay updated with the latest solar innovations and news.
Empowering homes and businesses with clean, renewable energy. Specialists in solar, storage, and ongoing support. Committed to quality, reliability, and a greener future.