Gas Boilers vs Heat Pumps: The Full 2026 Wales Comparison
A side-by-side comparison of Gas Boilers and Heat Pumps for Welsh homes — costs, savings, efficiency, and which is right for you.
Our Verdict
Heat pumps are the future-proof choice but gas boilers are cheaper now. Factor in the 2035 gas boiler ban and Welsh Government grants before deciding.
Gas Boilers vs Heat Pumps — Side by Side
| Feature | Gas Boilers | Heat Pumps |
|---|---|---|
| Cost Range | £1500 – £3500 | £7000 – £15000 |
| Annual Saving | £120 | £550 |
| Efficiency | 89% efficiency | 300%+ COP |
| Best For | Short-term budget installs | Long-term eco investment |
| Grants Available | Yes (Nest, ECO4, Warm Homes) | Yes (Nest, ECO4, Warm Homes) |
| MCS Required | Yes | Yes |
Which Should You Choose?
The right choice between Gas Boilers and Heat Pumps depends on your home, budget, and energy priorities:
- Choose Gas Boilers if — Short-term budget installs.
- Choose Heat Pumps if — Long-term eco investment.
- Consider both — If your budget allows, combining technologies can maximise savings and future-proof your home.
If you are unsure, an MCS-certified installer can assess your property and recommend the best option. Request a free assessment.
Gas Boilers — Pros & Cons
| Pros | Cons |
|---|---|
| Annual savings of £120 | Upfront cost £1500–£3500 |
| 89% efficiency efficiency | Performance varies by property |
| Welsh Government grants available | Requires MCS-certified installer |
| Reduces carbon footprint | May require additional home improvements |
Heat Pumps — Pros & Cons
| Pros | Cons |
|---|---|
| Annual savings of £550 | Upfront cost £7000–£15000 |
| 300%+ COP efficiency | Performance varies by property |
| Welsh Government grants available | Requires MCS-certified installer |
| Reduces carbon footprint | May require additional home improvements |
Not Sure Which to Choose?
Get a free, no-obligation assessment from MCS-certified installers in Wales. They will recommend the best option for your home.
Get Free Quote →Gas Boilers vs Heat Pumps — FAQ
Which is better, Gas Boilers or Heat Pumps?
Heat pumps are the future-proof choice but gas boilers are cheaper now. Factor in the 2035 gas boiler ban and Welsh Government grants before deciding. The best choice depends on your property type, current heating system, budget, and energy goals.
Which is cheaper, Gas Boilers or Heat Pumps?
Gas Boilers cost £1500–£3500, while Heat Pumps cost £7000–£15000. However, upfront cost is only one factor — long-term savings and available grants should also be considered.
Which saves more money, Gas Boilers or Heat Pumps?
Gas Boilers save around £120 per year, while Heat Pumps save around £550 per year. The actual savings depend on your current energy setup and usage patterns.
Can I get grants for Gas Boilers or Heat Pumps in Wales?
Yes. Welsh homeowners may qualify for grants through the Nest scheme, Warm Homes Programme Wales, or ECO4 for both Gas Boilers and Heat Pumps. Eligibility depends on income, benefits status, and property type.
Can I install both Gas Boilers and Heat Pumps?
In many cases, yes. Combining technologies can maximise your energy savings and reduce your carbon footprint further. An MCS-certified installer can advise on the best combination for your home.