Trusted Plumbers & Heating Engineers in
Witney, Oxford & the Cotswolds
Serving Oxford & the Cotswolds with Gas Safe registered, MCS certified engineers. One fixed price, agreed before we start, no surprises, no shortcuts.
Full-service plumbing & heating,
under one roof.
From a dripping tap to a full heat-pump install, our engineers handle it all, and take responsibility from first visit to final sign-off.

General Plumbing Repairs & Maintenance
Leaks, taps, valves and everything in between, sorted first time.
View service
Emergency Plumber & Call-Outs
Rapid response when it can't wait, evenings and weekends included.
View service
Boiler Installation & Replacement
Vaillant, Worcester Bosch & all major brands. Fixed-price quotes.
View service
Boiler Servicing & Gas Safety
Annual services and gas safety renewals from £95.
View service
Boiler Repairs & Breakdowns
Gas Safe registered diagnostics and repair, no guesswork.
View service
Central Heating & Underfloor Heating
System upgrades, radiator swaps, wet underfloor installations.
View service
Bathroom Renovations & Installations
One team managing plumbing, tiling & electrics. Fixed price, no hidden costs.
View service
Air Source & Ground Source Heat Pumps
MCS certified installer. Vaillant, Mitsubishi & Samsung approved.
View service
Landlord Gas Safety Certificates (CP12)
Fast-turnaround CP12s for landlords and letting agents.
View service
Estate & Letting Agent Support
Priority response, planned maintenance and void works on account.
View service
New Build & Site Projects
First & second fix plumbing and heating for developers and builders.
View service
Radiator & Valve Work
Swaps, upgrades, TRV installs and rebalancing done properly.
View service
One team.
One quote.
One point of contact.
Plumbing, tiling, electrics and project management, all managed by Pinnacle. We carry out a free pre-visit, agree a fixed price upfront, and stick to the turnaround we quote. No stress. No coordinating trades.
- Free pre-visit before every quote
- All trades managed in-house
- Fixed price agreed upfront, no hidden costs
- Stage payments available on larger jobs
Three steps. No stress.
A clear, professional process from first phone call to job complete.
Free pre-visit
Call or send a message. We visit, listen, and understand the job properly before pricing anything.
Fixed-price quote
You get a clear written quote with everything included. No hidden costs, no surprises later.
Job done to schedule
We turn up when we say we will, work cleanly, and don't leave until you're happy with the result.
Blue-collar craft. Agency-grade communication.
We're the local firm homeowners, landlords and letting agents call back, because we do the boring things well.
10+ years' experience
Both directors bring over a decade of hands-on experience to every job.
5 engineers on the road
A growing team of engineers and apprentices, never sub-contracted.
Gas Safe & MCS certified
Fully qualified for gas work and renewables, including heat pumps.
7-year boiler warranty
Standard on manufacturer installs. Extended cover up to 10 years available.
£5m public liability
Full public and employers' liability cover on every job.
Klarna finance available
Spread the cost on heating jobs and larger installations.
Rated 5.0 on Google.
Reviewed by real Oxfordshire homeowners.
“Pinnacle did a first class job for me installing a new bathroom. From start to finish the communication was excellent.”
“Jonny and the team are amazing. I highly recommend them to everyone. They always come out quickly and resolve any issues I have, no matter how small.”
“I've used many different plumbers over the years and these guys are the best. Olly and his team are extremely knowledgeable and professional. Their work is exceptional.”
“Everything you would wish for when you're in a stressful situation and needing help. Courteous, professional and went the extra mile.”
“Pinnacle came to our rescue when we first moved into our house and we needed a washing machine plumbed in and some minor work. Have been using them ever since.”
“Ollie from Pinnacle Plumbing did a fantastic job fixing our tap. He was professional, friendly, and arrived on time.”
Serving Oxfordshire
& the Cotswolds.
Based in Carterton, on the road every day across the region. If you're nearby, we'll get to you.
Honest prices. Every quote free.
Where we can give a starting price we do. Everything else is quote-led, after a proper look at the job.
Klarna finance available on heating jobs & larger installations. Stage payments available on bathrooms. All quotes are always free.
Pay by bank transfer or card. Larger installations are typically split into stage payments. Account terms are available for estate and letting agents.
Straight answers to the questions we get most.
Are you Gas Safe registered?+
Yes. Pinnacle Plumbing & Heating Direct is Gas Safe registered, and every gas engineer on our team is individually qualified to work on your boiler and heating.
Which areas do you cover?+
We cover Witney, Carterton, Oxford and the wider Oxfordshire and Cotswolds region, including Abingdon, Bicester, Woodstock and Moreton-in-Marsh.
How quickly can you get to an emergency?+
We keep engineers on the road every working day and prioritise no-heat and no-water emergencies. Call 07415 083473 and we'll give you an honest ETA on the phone.
What warranty do your boiler installations carry?+
Our standard boiler installations come with a 7-year manufacturer warranty. Extended warranties of up to 10 years are available at additional cost, we'll price both options in your quote.
Do you offer finance?+
Yes, Klarna is available on heating jobs and larger installations. Contact us and we'll walk you through what's available for your job.
Are quotes free, and how fixed is the price?+
All quotes are free. For bathroom renovations and installations we always carry out a free pre-visit and agree a fixed price upfront, no hidden costs.
Ready for a proper job,
done properly?
Free, no-obligation quote, usually within one working day. No sales pressure, just an honest look at the job.
