Live · the OMEGA retrofit
Watch your home, fully retrofitted with boiler upgrade
One cinematic minute. Same house — your house — at every stage of the OMEGA retrofit. Click any chapter to jump. Tap the speaker to hear it.
Home energy upgrades
Boiler upgrades — A-rated gas and hybrid
Gas Safe-registered installs of Worcester-Bosch, Vaillant and Viessmann A-rated condensing boilers — plus hybrid options.
Surveyed first
designed from heat-loss numbers, not a postcode estimate
Within the week
survey usually booked in 2–3 days, plan in writing 48 hours later
Your surveyor
MCS-certified, employed by OMEGA — not subcontracted
The plan is yours to keep. Take it to two other installers if you like.
Installed by OMEGA's own teams across the United Kingdom.
Live · 2026 install figures
The numbers, at a glance.
Typical figures for a 3-bed UK home. Your real numbers come in writing within 48 hours of a free home survey.
Typical cost
FROM
£2,200
Annual saving
£300
Payback period
6
–8 years
About this service
Boiler upgrade, designed properly.
Not every home is heat-pump ready today. A 20-year-old boiler running at 70% efficiency is costing you £300+/yr more than a new A-rated condensing unit — and modern controls (weather compensation, smart thermostats) add another 10–15% on top. For homes that need a bridge, we also install hybrid systems that pair a small heat pump with the boiler for genuine best-of-both performance.
What you get
- A-rated boilers hit 92%+ efficiency — vs 70–80% for 15-year-old units
- Typical saving £300–£500/yr on a mid-size home
- 10-year manufacturer warranty on Worcester-Bosch, Vaillant, Viessmann
- Hybrid option for hard-to-heat homes — pairs with a small heat pump
- Gas Safe-registered, notified to Building Control for you
See the numbers
Boiler upgrade — costs and savings, fitted for your home
Live tool, Q2 2026 prices. Slide through property size for an honest instant estimate — your real quote will come in writing within 48 hours of a free survey.
How it works
How it works, step by step.
01
Free home survey
Our engineer sizes the boiler correctly to the home (not the old one). Oversized boilers are the #1 cause of high gas bills.
02
Fixed-price quote
Boiler, controls, flue route, chemical flush — all priced up front. No change orders on the day.
03
1-day install
Gas Safe-registered engineer. Magnetic filter fitted as standard. Benchmark certificate handed over before we leave.
04
Controls + warranty
Smart thermostat paired, weather compensation configured, 10-year warranty registered with the manufacturer.
Accreditations that matter
Not logos. The certifications that matter for Boiler upgrade.
Every one of these is checkable online. Every one changes something concrete about the job — the survey, the materials, the guarantees, the way the grants land.
Gas Safe
Legal requirement for anyone working on domestic gas
Every boiler fitter on our team is on the Gas Safe register — checkable in 30 seconds online.
TrustMark
The only endorsement scheme backed by the UK consumer body
Every install is lodged on the TrustMark register so your cover travels with the property.
PAS 2030
Install quality standard for retrofit measures
Our teams are certified to the installation standard that grant-funded work is audited against.
MCS
Microgeneration Certification — solar, heat pumps, batteries
Without MCS you can't claim the Smart Export Guarantee, the BUS grant, or 0% VAT. We're fully certified.
Your numbers
Real numbers. Your postcode. Your home.
Type your postcode below. We pull the latest EPC for your home, blend in this month's Ofgem tariffs, and show you what you're paying this year — and what you could pay after the three upgrades most likely to make sense for a house like yours. No email. No follow-up. Just your numbers.
Model: NEED 2024 demand medians · Ofgem default tariff cap Apr 2026 (gas 5.9p · elec 27.7p · dual-fuel standing ~£328) · OMEGA install ledger 2026 retrofit-depth medians · ECO4/HUG2/BUS grant tables
Want a 2-minute answer first?
Not ready to book a full survey?
Tell us a bit about your place and we’ll come back with specific numbers for your home — no slot to pick, no pressure.
Prefer to talk now? Call free on 0800 229 4094.
Proof in the data
Boiler upgrade — how the numbers stack up
Cumulative £ saved vs install cost for your property type. Drag the chart to scrub through the years.
Ready to see what boiler upgrade would cost on your home?
Free 45-minute home energy survey — thermal imaging, grant check, written plan within 48 hours.
The plan is yours to keep. Take it to two other installers if you like.
Grants and funding
The grants you can get.
Eligibility changes often, the schemes don’t reward homeowners who fill the forms in themselves, and the paperwork is genuinely tedious. So we file it for you.
We handle the paperwork end-to-end
- ECO4 + GBIS — insulation, paid direct to us
- BUS — up to £7,500 off heat pumps
- SEG — export tariff registration
- OZEV / EVHS — EV charger grants
You sign once. We submit, evidence, and chase. The grant comes off your final invoice — nothing for you to claim back.
ECO4 funding — for eligible homes replacing broken boilers
Hybrid systems may qualify for partial Boiler Upgrade Scheme funding
Common questions
Common questions, answered honestly.
Why not just go straight to a heat pump?
If your home is ready — good insulation, correctly sized radiators — we will absolutely recommend a heat pump. For some homes the fabric upgrade comes first and a boiler upgrade is the smart bridge.
Which brand of boiler is best?
We mainly fit Worcester-Bosch, Vaillant and Viessmann. All three are genuinely top-tier. Choice comes down to warranty terms, parts availability and smart thermostat compatibility.
Will I need a power flush?
On any system more than 10 years old, yes — a chemical flush plus a magnetic filter protects the new boiler. Both are included in our fixed quote, no add-ons.
Do you do emergency swaps?
We carry common parts on the van and can usually fit a new boiler within 3–5 working days. Truly emergency cases — no hot water in winter — get priority.
Real installs
Real projects near you.
Where we install
Boiler upgrade across the United Kingdom.
We install boiler upgrade with our own crews across the United Kingdom. Each local team knows the housing stock, the grant routes, and the council-specific flex schemes that apply in their patch.
Often paired with…
Ready to start?
Free 45-minute home energy survey. Written plan within 48 hours. Zero pressure.
The plan is yours to keep. Take it to two other installers if you like.
25-year product warranty. 5-year workmanship guarantee. Both insurer-backed. If we vanished tomorrow, your cover still pays out.