The short answer
Commercial plumbing covers shops, offices, rented homes and shared buildings. The big difference from a home job is the cost of downtime. A good plan means fewer surprises, and records help if anything goes wrong, because they show what was done.
Who it is for
The term covers more than people expect, so check where you fit.
- Shops, cafes, salons and clinics, where customers see any fault.
- Offices and workshops, where staff need water and heat.
- Shared houses and flats, where many tenants use the same pipes.
- Landlords with one or many rented homes.
Our commercial plumbing service covers this range. We do not publish a price list for commercial work, because each site differs. Ask for a quote through the request form.
Planned or reactive care
Reactive care means you fix a fault after it happens. It works, yet the downtime comes without warning. Repeated call-outs for the same fault can also cost more than finding the cause once.
Planned care means scheduled checks before things fail. Pipework, water heaters and drains are the usual items. A small unit may manage with reactive care. A building with shared systems often suits a plan, while many sites use a mix of both.
What the law asks of you
Some duties are not optional. The Health and Safety Executive says the people in control of premises must manage legionella risk. That covers hot and cold water systems. Its Legionnaires’ disease pages explain the basics.
Landlords also have gas duties. HSE says a landlord must arrange an annual gas safety check. A Gas Safe registered engineer must do it. Our landlord plumbing checklist pulls these duties together. Read it alongside carbon monoxide at home, since tenants need to know the signs.
What to ask a commercial plumber
Ask these questions before you choose a firm.
- How do you plan work around trading hours?
- What records will you give me after each visit?
- How do I report an urgent fault, and how do you handle it?
- Which jobs can you cover, and which need another trade?
The answers matter more than any brochure, because they show how the firm works. Our guide on how to choose a plumber in Northampton is a useful start. For urgent faults, the first steps are in the first 10 minutes of a plumbing emergency.
Keep a record
Ask for a dated note after every visit. It should say what was found, what was done and what is still open. Keep the notes in one folder for each site. They help with insurance, with tenants and with planning, since they show patterns over time.
A repeat fault in the same place is a clue. Raise it early rather than paying for the same repair twice.
Drains in shared buildings
Blocked and damaged drains are a common cause of repeat call-outs. In shared buildings, one fault can affect several units. Our blocked drains service covers clearing. Our guide to who is responsible for a blocked drain explains the boundary rules.
To report a fault in the public sewer, read how to report a blocked drain or sewer. A camera can help with repeat faults, since CCTV drain surveys show the pipe. Staff habits matter too. Share the tips in why drains block and the checks for a blocked drain outside the house.
Heating and macerators
Boilers in shops and flats need care. HSE advises an annual service, while our boiler pressure guide lists early warnings. Some basement toilets use pumps. Read Saniflo not working to learn the common faults.
Frequently asked questions
Do you offer planned maintenance?
Use the request form to describe your premises and what you need. The engineer can say what is possible, although the details depend on the site.
Do you publish prices for commercial work?
No, because commercial jobs vary a great deal. Ask for a written quote, since the site decides the price.
Who is responsible for plumbing in a rented home?
It depends on the lease and the law, so read both. Our landlord plumbing checklist covers the main points.
Talk to us
Use the online form to describe your premises. Mark it urgent if there is a leak or no water. You can see all our services and the areas we cover. Add your town and a short description, because that helps an engineer get back to you.
In Northampton, see plumbers in Northampton. Around Milton Keynes, see plumbers in Milton Keynes. In Kettering, see plumbers in Kettering. Near Wellingborough, see plumbers in Wellingborough. Around Lutterworth, see plumbers in Lutterworth. These pages list local details, since coverage varies from town to town.
We cover Northampton and a 30-mile radius, while the request form is open 24/7. Our engineers are Gas Safe registered.
Last updated 2 October 2026
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