From £1,999 fitted
Boiler installation
A straight combi-for-combi swap in Birmingham starts at £1,999 fitted, and converting an older open-vent system to a combi starts at £2,699.
Prices and detail
Gas Safe registered · Birmingham
No heating, no hot water, or a boiler on its last legs?
Family-run reliable Gas Safe engineers based in Birmingham, covering Birmingham, Walsall, the Black Country and Solihull. Fixed prices published up front, same-day slots for breakdowns, and a 24-hour emergency line.
Call before noon for the best chance of a slot today.
20+years on the tools
British Gastrained engineer
24/7emergency cover
Quick Price Guide
Updated August 2026All prices from · fixed price agreed before we start
Gas Safety Certificate (CP12)£90
Boiler Service — Basic£95
Intermediate Service£125
Full Strip-Down Service£225
Boiler Repair — diagnosis + 1hr£99
Boiler Installationfrom £1,999
- Gas Safe registered
- Certificates same day
- Fixed prices published
- 20+ years experience
- Mon–Fri 8am–5.30pm
Simple process
How it works
Booked, confirmed and sorted — we make it easy from start to finish.
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Step 1
Book online or call
Book online, call us on 07413 385767, or send a WhatsApp. Takes less than two minutes.
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Step 2
Confirmation text and email
You get your date, time slot and price confirmed in writing — no surprises on the day.
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Step 3
Engineer arrives
Our Gas Safe engineer turns up on time, carrying ID. Job done right, first time.
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Step 4
Job done and dusted
Certificate or job report emailed the same day, payment taken, all wrapped up. Simple.
Why Synergy
Why customers choose us
Family-run and Gas Safe registered, offering more than most local firms — and straight about pricing from the first call.
01
We Diagnose, Not Guess
We find the actual fault first — so it gets fixed right the first time, not on the second or third visit. No guesswork. No unnecessary repairs. Just accurate diagnosis and the right fix, first time.
02
A Wider Range of Services
Boilers, HIUs, air source heat pumps, LPG systems and unvented cylinders. Most local firms cover one or two of these — we cover all of them.
03
Fixed Prices, No Surprises
Every price published on this site before you call. Parts are always quoted and agreed before we fit them.
04
British Gas Trained
20+ years' hands-on experience, including over ten years with British Gas, on every job we take on.
What we do
Heating and plumbing, done properly
Every price below is published, fixed and the same whether you are in Handsworth or Halesowen.
£99 diagnosis + first hour
Boiler repair
Our boiler repair callout is £99, which covers a full fault diagnosis and the first hour of labour.
Prices and detail
From £95
Boiler servicing
An annual boiler service with us costs £95 for a basic service, £125 for an intermediate service, and £225 for a full strip-down.
Prices and detail
£90 (boiler + cooker)
Gas safety certificate (CP12)
A landlord gas safety certificate (CP12) covering a boiler and a cooker costs £90 in Birmingham.
Prices and detail
£99 (Mon–Fri 8am–5.30pm)
24/7 emergency callout
Our emergency line is answered 24 hours a day, seven days a week.
Prices and detail
£550 up to 10 radiators
Power flushing
A power flush costs £550 for a system of up to 10 radiators.
Prices and detail
From £95
Plumbing repairs
We handle everyday plumbing alongside our heating work: kitchen taps supplied and fitted at £200, toilets that will not flush or fill from £165, new mixer or electric showers £300–£400, garden taps £165, blocked sink and bath wastes £95, and water leak detection and repair at £99 for the first hour.
Prices and detail
From £95
HIU service & repair
A Heat Interface Unit service starts at £95 for our Essential package, £115 for Complete and £170 for Premium.
Prices and detail
£220 service
Air Source Heat Pump (ASHP)
An air source heat pump (ASHP) service costs £220 and covers the checks needed to keep the system running efficiently and protect the manufacturer warranty.
Prices and detail
For landlords
Gas Safety & Compliance — Sorted
We take the hassle out of annual compliance for landlords and letting agents across Birmingham. One call, certificate emailed the same day.
- CP12 certificates issued and emailed the same day
- Add a basic service to your CP12 for just £50 extra
- Portfolios of 5+ properties get a rolling schedule
- Available Mon–Fri, with emergency cover out of hours
New boiler?
A-Rated Boilers, Expertly Installed
We install Worcester Bosch, Vaillant, Baxi and Main. Free survey, fixed price agreed before we start — nothing more to pay until the job's done.
- Combi swaps from £1,999 fully fitted
- 5–10 year manufacturer warranties, registered in your name
- Written fixed price before any work starts
Boiler repairs
Fast, Honest Boiler Repairs
No heat or hot water? £99 covers full diagnosis and the first hour. We give you the total repair price before we carry on — and tell you honestly if it isn't worth fixing.
- Same-day slots for no-heat and no-hot-water calls
- 12-month parts-only warranty on anything we fit
- Common parts carried on the van for same-day fixes
Boiler playing up? We can usually get to you the same day.
Call the Birmingham office for a straight answer and a fixed price before we start work.
Approved for the brands we fit
★★★★★
RoxxyO · YellAlways quick and efficient, and clear about the cost of the job before starting. Work has lasted well with no issues, and it's who we call every time something needs sorting.
★★★★★
Chantelle M. · CheckatradeCalled out to fit a cooker and found a gas leak on the supply while checking — traced and sorted it there and then.
★★★★★
Bernard D. · CheckatradeOn the phone, Saeed identified the two most likely faulty parts, brought one with him, and had it running again the same visit.
Coverage
Areas we cover
Birmingham and 10 miles from B20 2JS as standard. Up to 50 miles for boiler installations.
- BirminghamB1–B48
- Handsworth WoodB20, B21
- Perry BarrB42, B44
- Great BarrB43, B44
- ErdingtonB23, B24
- Sutton ColdfieldB72–B76
- EdgbastonB15, B16
- HarborneB17, B32
- Moseley & Kings HeathB13, B14
- Selly OakB29, B30
- SolihullB90–B93, B37
- WalsallWS1–WS9
- West BromwichB70, B71
- WolverhamptonWV1–WV6, WV10, WV11
- DudleyDY1–DY3, DY4
- StourbridgeDY7, DY8, DY9
- HalesowenB62, B63
- OldburyB68, B69
- Smethwick & BearwoodB66, B67
- Wednesbury & TiptonWS10, DY4
Rather we rang you?
Leave a number and a postcode. We will call you back — usually within the hour during office hours.
Answers
Frequently asked questions
Do you charge for a callout?
Our boiler repair callout is £99, which covers attendance, a full diagnosis and the first hour of work. You get the total repair price before we go any further, so there is no open-ended hourly billing.
How quickly can you come out?
We hold same-day slots for no heating and no hot water, and run a 24/7 line for genuine emergencies. Call early in the day for the best chance of a same-day visit.
Which areas do you cover?
Birmingham and a 10-mile radius of B20 2JS as standard, which takes in Sandwell, Walsall, Dudley, Solihull and Sutton Coldfield. For boiler installations we travel up to 50 miles, including Wolverhampton.
Are you Gas Safe registered?
Yes — Synergy Gas & Plumbing is Gas Safe registered (594385) and our engineers also hold LPG and G3 unvented qualifications. Ask to see the card on any visit; every legitimate engineer carries one.
How much is a new boiler?
A like-for-like combi swap starts at £1,999 fitted and a conversion from an old cylinder system starts at £2,699. Both include the flue, wireless thermostat, magnetic filter, chemicals and warranty registration.
Do you work weekends?
The office runs Monday to Friday, 8am to 5.30pm. Emergency callouts are covered 24 hours a day, seven days a week.
Book an engineer in about ninety seconds.
Online booking through our job system, or call and speak to someone who does the work.