Get £7,500 off a new heat pump — grant claimed for you.
Sully Electrical & Gas is a Microgeneration Certification Scheme (MCS) certified installer. We handle the Boiler Upgrade Scheme paperwork and take the government grant straight off your quote — no forms, no waiting for a refund.





How the Boiler Upgrade Scheme works
The grant is real government money toward a low-carbon heating system. As a certified installer, we do the heavy lifting — you just see a smaller bill.
Free home survey
We assess your property, your current heating and your hot-water needs, then confirm whether your home qualifies for the grant.
Grant applied to your quote
We register the Boiler Upgrade Scheme application for you. The £7,500 is deducted from your price before you pay anything.
Installed & certified
Our team fits the heat pump, commissions it to MCS standards and hands over your paperwork and workmanship guarantee.
One trusted team for your whole home
Electrical, plumbing, heating and renewables under one roof — fully qualified, fully insured, and tidy when we leave.
All Electrical
From a single socket to a full rewire — safe, certified work for homes and businesses.
- Rewires, fuse boards & consumer units
- Sockets, lighting & fault finding
- EV chargers & electrical certificates
Plumbing & Heating
Reliable plumbing and warm, efficient heating — repairs, upgrades and full installations.
- Boilers, radiators & central heating
- Leaks, taps, bathrooms & cylinders
- Gas Safe servicing & repairs
Air Source Heat Pumps
Low-carbon heating that qualifies for the £7,500 grant — designed and fitted to MCS standards.
- Full design, supply & installation
- Boiler Upgrade Scheme grant handled for you
- Lower running costs & a warmer home
What customers say
Real reviews from recent jobs across London, Essex and the South East.
"Couldn't have asked for a better experience with our heat pump install. The team turned up on time, kept everything tidy and explained the system properly. Highly recommended."
"Sully did a full rewire on our house and the standard of work was excellent. Honest pricing, no surprises along the way, and the certificate came through quickly. Brilliant value."
"Sully did a full renovation on our place — heating and electrics throughout. Great workmanship, professional from start to finish, and they handled both trades seamlessly under one roof."
Properly accredited — not just "experienced"
Every badge below is an independent body that checks our work. It means your install is signed off, certified and protected.
MCSMicrogeneration Certification Scheme
The certification that makes a heat pump install eligible for the £7,500 grant. It confirms the system is designed and fitted to a recognised standard.
NANAPIT Approved
The National Association of Professional Inspectors and Testers — a government-approved body for electrical and building work. Our electrical jobs are certified through it.
GSGas Safe Registered
The official register every legal gas engineer in the UK must hold. If anyone works on your gas without it, walk away.
RERECC & Insurance-Backed Guarantee
We work to the Renewable Energy Consumer Code, and your renewables work carries an insurance-backed guarantee — protection that stands even years down the line.
Based in Epping — covering London & the South East
Epping roots, wide reach. We work right across London and the South East of England — call or message and we'll arrange a visit that suits you.
Thinking about a heat pump? Start with a free chat.
No pressure, no jargon — we'll tell you straight whether your home qualifies for the £7,500 grant.
07782 172426