Boiler Installation & Replacement
New gas, LPG and oil boilers from Worcester-Bosch, Vaillant and more — sized, fitted and commissioned to suit your home.
Gas Safe Registered · Horsham, West Sussex
Horsham heating & boiler engineers for installs, servicing & repairs.
Gas Safe and OFTEC trained engineers keeping homes warm right across West Sussex, Surrey and the South Coast — gas, LPG and oil, installed and looked after with a service with a difference.
Gas Safe registered (No. 529002)
Worcester-Bosch & Vaillant trained
Gas, LPG & oil
Free, no-obligation quotes
Gas Safe
Registered No. 529002
OFTEC✓
Oil-trained engineers
3×
Gas · LPG · Oil
Free
No-obligation quotes
What we do
Heating & hot water, sorted properly the first time.
From a one-off boiler service to a full central heating system, every job is handled by Gas Safe and OFTEC trained engineers — we look after any problem from your first call to completion.
Boiler Servicing
Annual services to keep your boiler safe, efficient and within warranty — for gas, LPG and oil.
Boiler Repairs & Breakdowns
Fast fault-finding and repairs when the heating or hot water stops — we sort any problem from the first call.
Central Heating Systems
New systems, radiators, cylinders and underfloor heating — designed and installed for even, efficient warmth.
Power Flushing
Clears sludge and cold spots from radiators and pipework, restoring circulation and protecting your boiler.
Landlord Gas Safety Certificates
CP12 landlord safety checks and certificates, keeping your rental property compliant and tenants safe.
Gas Safe
Registered No. 529002 · OFTEC trained
Why Abbey
A heating engineer you'll actually recommend.
Most people meet us through a neighbour's boiler. Here's what keeps the recommendations coming.
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Gas Safe & OFTEC registered. Qualified for gas, LPG and oil — Gas Safe No. 529002.
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Manufacturer-trained engineers. Trained on Worcester-Bosch, Vaillant, Grant and more.
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Clean, considerate work. Tidy in your home, respectful of your time, no mess left behind.
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Clear, fixed quotes. Honest pricing with no surprises — a service with a difference.
Our work
A few of the homes we've reshaped.
New boiler installation
New boiler installation
Boiler swap · system upgrade
Central heating system
Radiators & pipework
Bathroom heating & towel rails
Your real project
photos go here
photos go here
Imagery shown is representative of the work we do — your gallery will feature your own completed projects.
★★★★★
“Serviced our boiler quickly and explained everything clearly — genuinely professional and tidy.”
Example review — your real reviews will appear here
Your own customer reviews will appear here on go-live
Get in touch
Let's talk about your project.
Tell us what you have in mind and we'll arrange a free, no-obligation visit and quote. Prefer to talk? Call us directly.
Call us free 01403 275512- Workshop & office
- St Johns House, 35 Victoria Street, Horsham, West Sussex, RH13 5DZ
- Hours
- Mon–Fri 7.30am–5.30pm · Sat by appointment
- Where we work
- Horsham, Crawley, Haywards Heath, Billingshurst, Southwater & surrounding villages