Heat pumps · underfloor heating · solar & battery · MVHR · air con
Make your house worth more, and cost less to run.
Renewable energy is a building job, not a bolt-on — so the team that has built London extensions since 2007 designs it, installs it, and makes good afterwards.
- A free home survey by the people who do the work
- A guideline price for your exact house, before we visit
- The £7,500 Boiler Upgrade Scheme grant — we apply for you
Scroll on to build your package on a 3D model of a London house — every product priced as you add it.
The collection
Five ways to run your house better
Every system we install, drawn the way we design them. Tap to add one to your package — honest starting prices, and the exact figure follows a free survey, never a sales call.
Who you hire matters
A heat pump is half a building job
Floors come up. Walls get chased. Something has to be plastered and painted afterwards. Most companies can do one half of that well — here's the honest comparison.
| What matters | OKPWDesign & build, MCS-certified | Renewables specialistEnergy only | General builderNo energy certification |
|---|---|---|---|
| MCS-certified, so the £7,500 grant is available | Yes | Yes | No |
| Room-by-room heat-loss design, not a guess | Yes | Yes | No |
| Lifts floors and chases walls as part of the job | Yes | Usually excluded | Yes |
| Plastering, making good and decoration afterwards | Yes | Second contractor | Yes |
| Can fold into an extension or renovation programme | Yes | No | Build only, no grant |
| One company answerable for the whole thing | Yes | For the system | For the building |
| Fixed written quote, staged payments | Yes | Varies | Varies |
Swipe the table to compare the other two
To be fair about it: if you want a like-for-like swap and the plant room is easy to reach, a specialist installer may well be quicker and cheaper — and if that's your job, we'll tell you so at the survey rather than sell you something bigger.
The collection at a glance
Everything we install, drawn the way we design it
Air source heat pump
Underfloor heating
MVHR ventilation
Solar panels & battery
Air conditioning
Accredited & certified
The kit we fit, and the bodies that check us
We install equipment we can stand behind, and we're certified by the schemes that let us handle your grant and sign the work off.
The government's side
Check your grant in 30 seconds
The Boiler Upgrade Scheme pays for a chunk of a heat pump — but not for everyone. Four questions and you'll know where you stand. No email, no catch.
The configurator
Build your renewable house
Tap the items on the house, or pick from the list. Grey is available; green is in your package. The £7,500 grant appears by itself when you choose a heat pump.
The dashed panel on the end wall shows equipment that lives inside the house.
The camera tours your house on its own — tap any product to fly to it.
Guideline figures, reviewed July 2026 — not a quotation. Your exact price follows the free survey.
Prefer to talk first? Call 07737 766 859 — no obligation, and if we can't help we'll say so.
How it works
Four stages. You always know where you are.
Payments are tied to stages of the work — you never pay for a stage before it happens.
Free survey
We visit, measure the house, check the radiators, roof and consumer unit, and listen to how you live.
£0Design & paperwork
Heat-loss calculations, system design, DNO application and your £7,500 grant application — all handled by us.
DepositInstallation
Our own team installs — and because we're builders, the lifting of floors and making-good is part of the job, not an extra.
Stage paymentCommissioning & handover
MCS commissioning, certificates, warranties registered, and a walk-through of your new system.
Final balanceQuestions
Asked and answered, with real numbers
Extending or renovating anyway?
Add the heat pump while the floor is up and the scaffolding is paid for. One team, one programme, one contract — design & build and energy together.