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7 Google reviews
1–2 days
Typical install time
£7,500
BUS grant amount
Cosy Castle Limited is an MCS certified air source installer based in Yorkshire. They are registered with the Boiler Upgrade Scheme, meaning they can help you claim up to £7,500 towards your installation.
Based in Yorkshire, S7 1DH
Areas served:
5.0
7 Google reviews
Based on verified Google reviews
David Reese
Cosy Homes North West is a great company. Paul’s the best plumber we’ve ever had. He ticks all the boxes - very pleasant, reliable and efficient. He has always sorted out our plumbing problems, even when previous plumbers have failed. We’d definitely recommend him to anyone.
Kristian Hynes
Homes North West LTD are great, Paul is an amazing guy who works harder than any other trades I have used before. He has done multiple jobs at different properties for me for several years now and the results are always perfect. New bathroom, kitchen, repairs, and yearly checks and certificates all done to the highest standard and his response times to anything emergency related have all been fantastic. I cant rate them high enough, you will not need to use anyone else again I can promise you that.
David Halicki
We've used Cosey Homes NW Ltd, for well over 10 years, firstly when we lived on the Bird Estate and since we moved to the bungalow on Yew Tree Lane in 2018. They were recommended to us by our sister in laws parents. What it's annual gas inspections, gas fire repairs, minor plumbing jobs to fitting new gas central heating, gas fire, fire place and chimney breast, We've used and will continue to use them. Professional, reliable, high quality 👌 friendly service. Yes, we highly recommend them.
Nicola Sykes
Best plumber ever. Solved a few problems for us - domestic boiler related, as well as some commercial plumbing work for our business. Very reliable, and very honest. No problem recommending Paul.
Rob Haughian
Paul was professional & knowledgeable, and quickly diagnosed the issue with our boiler, explaining everything in a clear and understandable way and offered helpful advice on maintaining the system in the future. Highly recommended!
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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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