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TMV servicing and testing in Surrey

Surrey's TMVs live mostly in care homes, private hospitals, independent schools and hotels, many of them in big old houses that have been extended more than once. We come down from Chiswick and know the patterns well.

Call 020 3633 6064
  • Water suppliersSeveral
  • Water hardnessVaries, often hard
  • Main routesM25 · M3 · A3 · M23
  • Our baseChiswick, W4

A lot of Surrey's care is delivered in buildings that weren't designed for it. Country houses became nursing homes, Edwardian villas became private clinics, and boarding houses gained en-suites decades after they were built. Each change added plumbing, and usually a few more mixing valves. Our job is to find them all and keep them safe.

Care homes in converted houses

Care and nursing homes are everywhere in Surrey, and plenty of them started life as a single big house. Over time they've grown wings, annexes and garden rooms. That tends to leave two things behind: several separate hot water systems, and long pipe runs between a TMV and the tap it serves.

Long runs matter. HTM 04-01 Part B points out that pipework downstream of a TMV sits at the kind of temperature bacteria like. So alongside testing the valve, we note where it sits relative to the outlet and flag anything worth raising with your Legionella risk assessor. For residents, the safe bath limit in HSE's health and social care guidance is 44°C, and assisted baths are where we spend most of our time. Scalding risk in care homes: where TMVs fit in goes into more detail.

Private hospitals and clinics

The county has a strong independent healthcare sector alongside its NHS hospitals: private hospitals, day surgery units, physiotherapy and rehab centres, dental practices. If you're delivering healthcare, HTM 04-01 is the benchmark people will hold you to, so TMV3 valves and D 08 style in-service testing are the norm. We report per valve, ready for your Water Safety Group or whoever owns water safety on site.

Independent and boarding schools

Surrey has many independent schools, and boarding means residential bathrooms that get used every morning and evening for most of the year. Add medical centres, swimming pool changing rooms and junior school washrooms, and a single campus can have valves in a dozen different buildings.

We schedule around the school day. Boarding house showers are easiest to test once pupils have gone to lessons. Bigger jobs, such as a run of cartridge replacements, fit neatly into the holidays. TMVs in schools and nurseries: a practical guide covers the practical side.

Hotels, golf clubs and business parks

Country house hotels, conference venues, golf and leisure clubs all have guest showers and changing rooms. Out along the M3 and M25 there are business parks with staff showers and accessible WCs. These valves are rarely high risk, but they still scale up and drift, and nobody wants a guest scalded on a Saturday night.

Water in Surrey

Surrey doesn't have one water company. Depending on where you are, you could be supplied by Thames Water, Affinity Water, SES Water or South East Water. Hardness varies too. Much of the county, especially on the North Downs chalk, gets hard water, while some areas are noticeably softer. Your supplier's postcode checker will tell you where you stand.

Hard or soft, we check strainers and look for scale at every visit. On harder supplies we'd expect descaling to be a regular part of the service rather than an occasional extra.

Getting to you

From Chiswick the A316 takes us straight onto the M3, and the M25, A3 and M23 cover the rest of the county. Most Surrey sites have on-site parking, which makes life easier than central London. Town centres such as Guildford and Woking can be busier, so we'll check access when we book.

Towns we cover in Surrey

  • Guildford
  • Woking
  • Epsom
  • Ewell
  • Reigate
  • Redhill
  • Dorking
  • Leatherhead
  • Esher
  • Walton-on-Thames
  • Weybridge
  • Staines-upon-Thames
  • Egham
  • Camberley
  • Farnham
  • Godalming
  • Haslemere
  • Cranleigh
  • Caterham
  • Oxted
  • Banstead
  • Horley

Worth a read

Surrey FAQs

Questions from Surrey sites

Do you cover all of Surrey?

Yes. We cover the whole county from our base in Chiswick, from Staines and Egham in the north down to Haslemere and Cranleigh in the south. Surrey is one of our core areas, so it's very much part of our regular round rather than an occasional trip.

Who supplies water in Surrey, and does it matter for TMVs?

Surrey is split between several water companies, including Thames Water, Affinity Water, SES Water and South East Water. It matters because hardness differs from one supply to the next, and harder water means more scale in your valves. Check your supplier's postcode checker, and we'll set the service interval from what we actually find inside the valves.

Our care home is an extended old house. Anything we should watch for?

Watch for long pipe runs after the TMV and for mixed valve types. Extensions often put the valve a long way from the outlet, which leaves lukewarm water sitting in the pipe and is worth raising with your Legionella risk assessor. Different building phases also tend to bring different makes of valve, so a proper register helps a lot.

Can you test TMVs at a boarding school during term time?

Yes. Boarding house bathrooms are usually free during lessons, so we test them in the school day and stay out of the way at mornings and evenings. Larger jobs, such as replacing a batch of cartridges or valves, are best done in the holidays. We'll agree a plan with your bursar or estates team before we start.

TMVs in Surrey that need testing?

Send us a rough count and the address. We'll come back with a fixed quote.

Call 020 3633 6064
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