Smarter Energy for Homes & Businesses
High-efficiency solar, battery storage, heat pumps and insulation for homes and businesses across England and Wales — fitted by MCS-certified engineers.
Average reduction in energy bills after a full retrofit
Average reduction in energy bills after a full retrofit
UK homes now generating their own solar power
UK homes now generating their own solar power
Lower carbon footprint with an air source heat pump vs gas boiler
Lower carbon footprint with an air source heat pump vs gas boiler
UK Net Zero target driving demand for clean energy upgrades
UK Net Zero target driving demand for clean energy upgrades
What we do
Everything you need to lower your energy bills
Choose a single upgrade or a full whole-home retrofit — we design and install every part of your clean energy system.
01Solar PV Systems
Generate your own clean electricity from your roof.
Battery Storage
Store solar power and use it after the sun goes down.
Air Source Heat Pumps
Highly efficient low-carbon heating and hot water.
Internal & External Wall Insulation
Cut heat loss and improve year-round comfort.
Loft & Cavity Wall Insulation
Fast, cost-effective upgrades with rapid payback.
Service Plans
Annual or monthly cover for your heat pump and cylinder.
Why us
Why homeowners choose Gwella
For business
Running a business?
We deliver large-scale commercial renewable energy projects — offices, warehouses, hospitality, agriculture and multi-site retail.
How it works
Four steps from first call to switch-on
Every install is delivered by accredited engineers, backed by documented compliance and manufacturer warranties.
- 01
Free consultation
A friendly chat about your goals, property and budget.
- 02
On-site survey & quote
A qualified surveyor visits to design and price your system.
- 03
Professional installation
Accredited engineers install with care and minimal disruption.
- 04
Aftercare & monitoring
Ongoing support, monitoring and maintenance for total peace of mind.
Areas we cover
Installing across England and Wales
Our accredited install teams work from regional hubs. If you're not sure whether we reach your postcode, call us and we'll confirm.
More Than Clean Energy: We Protect Our Planet & Communities
We don't just install energy-efficient solutions for homes and businesses —we drive a sustainability model that restores biodiversity and empowers local communities.