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96 Google reviews
1–2 days
Typical install time
£7,500
BUS grant amount
Oakray Ltd is an MCS certified air source installer based in n/a. They are registered with the Boiler Upgrade Scheme, meaning they can help you claim up to £7,500 towards your installation.
Based in n/a, EN2 9DY
Areas served:
2.3
96 Google reviews
Based on verified Google reviews
Bea
One star is way too much for this company!! It feels like is run from the street; no manager is available to talk to, customer service is rude, they have no clue what is happening. 3 appointments made for last month's. Once I had to take time off from work, 3 times nobody turned up !!!! But they definitely went on my street yesterday!!. This is a total joke. Unbelievable unresponsible people, total lack of respect for the customer. It doesn't feel like a genuine company , people on the phone have no clue what they talking about but when I want to talk to a manger, on a few occasions the manager " just left" or was not available. Avoid like a plaque if you don't want to get stressed.
Edwin Denny Vellara
Absolutely unacceptable service. Even though the housing company’s finance team approved the boiler replacement the same day, Oakray still failed to fix it. It has now been over three weeks without a working boiler, with repeated promises of escalation but no progress, no timeline, and no accountability. Not recommendable at all — I wish I could give 0 stars.
Bhavini Joshi
ZERO STARS, abysmal. we haven't had heating or hot water for 2 weeks, and calling in another boiler expert (not related to this company) was the only way our issue was sorted. Oakwray sent out 3 people, who did the same thing (very little) and left us to find a plumber (who was not needed).
aaron brown
Shocking company. We had no heating or hot water since Friday we had the same engineer out 3 time and everytime he's been out he's made it worse now it got to a point its pouring out the overflow pipe and boiler , keep ringing and now there saying it's not a emergency and someone will be out Monday they have left us with no heating or water with young children. Absolutely joke of a company and MTVH don't care or won't help.
peace and love Love and Peace
5 stars for one of the best engineers after a terrible weekend with gas leak and supposedly Carbon monoxide leaking my regular guy that services the boiler put my mind at ease as to CM leak and gas leak sorted spent time with care and consideration really put my mind at ease i didn’t know his name till a copy of the work he done arrived positively welcoming clearly communicating thank you ahmet sulyman your the best
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We are MCS‑certified and registered with an approved consumer protection/competent person scheme, which is essential for quality assurance and to access grants like the Boiler Upgrade Scheme (BUS).
We carry out a detailed home assessment, including property type, insulation levels, existing heating system and available outdoor space, to confirm whether a heat pump is a good fit.
We design the system using a heat‑loss calculation for your home, then match the correct kW size and model (for example, air‑source vs ground‑source) so it runs efficiently and reliably.
Our fixed quote clearly lists the heat pump, cylinder, controls, labour, scaffolding (if needed), electrical work and any radiator or pipework upgrades, so you know exactly what you’re paying for.
Yes, as an MCS installer we can confirm your eligibility, apply for the BUS grant (worth up to £7,500) on your behalf and deduct it directly from your quote.
A typical air‑source heat pump installation takes around 2–5 days, and we’ll agree locations for the indoor and outdoor units, manage any planning considerations and keep you informed each day.
After the heat‑loss survey, we’ll advise if any radiators, pipework, electrics or hot‑water cylinder need upgrading so the system can run efficiently at lower flow temperatures.
Modern heat pumps are designed to be quiet and must meet UK noise regulations; we’ll position the unit to minimise any impact on you and your neighbours and comply with local planning rules.
You’ll get manufacturer warranties on the heat pump plus our workmanship guarantee, and we offer ongoing servicing and support to keep your system performing at its best.
We’ll estimate your likely annual running costs and potential savings based on your current fuel type, insulation level and tariffs, using real‑world performance data rather than lab figures.
Boiler Upgrade Scheme
Up to £7,500
off your heat pump installation
This installer handles the full BUS grant application — deducted directly from your quote. No upfront payment needed for the grant amount.
Scheme open until 2028 — limited funding available
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