Oxyplumb Commercial · Oxfordshire
From a pump replacement to a full plant-room upgrade, we can help bring your heating and hot-water work together. We work with commercial premises across Oxfordshire.
Equipment choices · practical advice
New boilers are not much help if the controls, pumps or distribution are holding the building back. We can help you map out what is working, what needs replacing and how the changeover can be delivered with the least practical disruption.
Our LTI Milton Park installation shows completed commercial heating work in its real setting. When planning your replacement, we consider the boilers alongside headers, pumps, system condition and the temperatures the building needs.
Hot-water demand may need a separate solution from space heating. We can compare dedicated commercial water heaters and indirect storage as part of your plant-room proposal.
Heating circulation, hot-water return and cold-water boosting are different jobs. We identify the duty of each pump, review control requirements and include clear labelling and operating information in the agreed handover.
| Option | When to consider it | What we check |
|---|---|---|
| Targeted repair or controls work | Sound equipment with an identifiable problem | Likely remaining life and whether the fault will recur |
| Phased replacement | Investment or disruption needs spreading out | Temporary compatibility, sequencing and repeated enabling costs |
| Coordinated plant-room renewal | Several ageing components or a changed building load | Capital budget, downtime, system design and future maintenance |
A useful first conversation
You do not need to know the answer before getting in touch.
Plan your plant-room upgradeYour boilers, pumps, controls and hot-water equipment need to work together. We look at those connections with you, so replacing one item does not overlook another part of the system that needs attention.
At Mulberry Bush School, the work combined twin Firebird oil boilers, a bespoke hot-water cylinder, pumps and a plate heat exchanger. At LTI Metaltech, twin Vaillant boilers and a custom cascade frame were integrated with the existing building. Each project has its own requirements; the equipment selected for one site is not a standard package for every building.
In some buildings, yes. Send any drawings or photos you have and tell us what must stay running. We can then discuss a workable sequence, access and any shutdowns that cannot be avoided.
The scope can focus on specific failed or ageing components where appropriate. The Old Prebendal House project included Grundfos pumps, a Mikrofill unit and valves. The condition and connections of your installation determine what can be retained.
Check the equipment list, pipework, controls, electrical interfaces, insulation, access, shutdowns and commissioning responsibilities. Any work by others and the agreed exclusions should be clear before installation dates are arranged.
Twin Firebird oil boilers, a bespoke hot-water cylinder, pumps and a plate heat exchanger in a school plant-room upgrade.
View the projectTwo Vaillant ecoTEC Plus 64 kW boilers, a custom cascade frame and hydraulic separation for occupied offices.
View the projectRelated support: Commercial boiler installation · Commercial hot water.
How we work
We start with the existing layout, what needs to change and the access needed for future maintenance. Deliveries, work sequencing and service interruptions are planned with your site team.
View the Mulberry Bush School projectReview the existing plant, site photographs and any available drawings.
Identify the equipment and installation work to include in the project.
Coordinate access, sequencing and any required service interruptions with your team.
Useful to know
Yes. We can discuss replacing equipment and altering associated pipework within an existing plant room. A site review helps establish the work and access arrangements required.
Yes. We can consider pumps, hot water equipment, pipework, pressurisation and controls within the agreed scope.
Yes. Existing drawings, equipment lists and plant room photographs help us understand the building before discussing a visit.
Independent customer feedback
You want to feel comfortable with the people working in your building. Take a look at Oxyplumb’s independent customer feedback, then tell our commercial team how we can help.
Public Google profile
from 311 reviews
Verified customer reviews
from 260 reviews
99% of customers recommend Oxyplumb on the official profile.
Google and Which? rating figures checked on 21 October 2026.
YOUR NEXT STEP
Speak to our commercial team about your site and the work you need.
Oxfordshire & the Cotswolds
From occupied workplaces around Witney and Oxford to schools and hospitality premises in the Cotswolds, a plant-room upgrade needs a clear plan. We can assess boilers, hot water, pumps and controls together, then explain what needs changing and what can stay.
Let’s talk about your building
Send the site postcode, plant-room photographs and your priorities for reliability, capacity or running costs.
Discuss your local projectCompleted Oxyplumb work
See the Vaillant boiler replacement and hydraulic separation at Carterton Town Hall.
Read the project story