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Claim this listingFitnfix Ltd
4.9
75 Google reviews
1–2 days
Typical install time
£7,500
BUS grant amount
About Fitnfix Ltd
Fitnfix Ltd is an MCS certified air source installer based in Greater London. They are registered with the Boiler Upgrade Scheme, meaning they can help you claim up to £7,500 towards your installation.
Coverage area
Based in Greater London, BR3 4PT
Areas served:
Reviews
4.9
75 Google reviews
Based on verified Google reviews
Anastasiya Spivak
I couldn’t be happier with the service I received! The team recently installed a new gas boiler, fitted radiators throughout the flat and completely renovated my bathroom. Fantastic service and excellent results
J and H
We had a fantastic experience with FitnFix from start to finish. Gordon was exceptional - knowledgeable, professional and highly trustworthy. The project was delivered on time and on budget. I can not recommend Gordon highly enough - we will be looking to use his services when we have additional work done to the house.
Desmond Dampier-Alphonse
I experienced a good service for the installation of my combi boiler, no what channel/social media you us it’s hard to find a trustworthy also reliable tradespersons, I can safely recommend FitnFix. 👍🏿
Charmaine
I hired plumbing service from FITNFIX. Their service was prompt, reliable, professional and the plumber, George did a fantastic job. He also tidied up the bathroom after completing the installation. I highly recommend and will definitely hire their service again if the need arises.
Tom Whitaker
Highly recommended. Stan and team have always done a great job on our regular plumbing tasks (fixing leaks, replacing pipework etc) and we recently used them for the first time to do a bathroom renovation. As before, everything done to a high standard, great communication and decent prices.
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Frequently asked questions
How do I know you’re properly qualified and certified to install heat pumps?
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).
Can you tell me if a heat pump is actually suitable for my home?
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.
What type and size of heat pump will you recommend for my property, and why?
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.
What will the full installation cost be, and what’s included in your quote?
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.
Can you help me access government grants like the Boiler Upgrade Scheme?
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.
How much disruption should I expect during installation, and how long does it take?
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.
Will I need to replace my radiators or upgrade anything else in my home?
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.
How noisy is the outdoor unit and where will it be installed?
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.
What warranties, servicing and aftercare do you provide?
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.
What running costs and savings can I realistically expect compared to my current boiler?
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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