Choose your starting point
Find help for your location.
Pick the nearest match to the concern you want to discuss. Selecting a service does not diagnose the cause of a symptom.
Describe what changed, and when
Use ordinary observations rather than deliberately recreating a leak. A dated photograph, the room involved and a short account of when you noticed a change give the enquiry a clearer starting point.
A symptom may have more than one explanation. The comparison resource helps you keep those possibilities open; the changing-symptoms record helps distinguish an old mark from a newly observed change.
Practical resources
A changing-symptom record for leak detection
Keep comparable observations and photographs of changing water symptoms without turning an uncertain pattern into a diagnosis.
Read and use the worksheet →Leak detection clues: similar symptoms, different questions
Compare fresh water, old stains and recurring moisture to prepare a clearer investigation question without diagnosing the cause yourself.
Read and use the worksheet →Explore the services
All covered locations
These are the areas listed on this website. Your address, access requirements and appointment availability are confirmed when you enquire.
- Windsor
- Slough
- Maidenhead
- Ascot
- Bracknell
- Reading
- Wokingham
- Newbury
- Thatcham
- Twyford
- Sandhurst
- Crowthorne
- Theale
- High Wycombe
- Beaconsfield
- Gerrards Cross
- Marlow
- Amersham
- Chesham
- Iver
- Denham
- Aylesbury
- Princes Risborough
- Milton Keynes
- Egham
- Staines
- Virginia Water
- Chertsey
- Weybridge
- Woking
- Camberley
- Bagshot
- Guildford
- Farnham
- Godalming
- Walton-on-Thames
- Esher
- Cobham
- Epsom
- Leatherhead
- Dorking
- Reigate
- Uxbridge
- Hayes
- Hounslow
- Southall
- Ealing
- Richmond
- Twickenham
- Chiswick
- Brentford
- Hammersmith
- Acton
- Harrow
- Wembley
- Ruislip
- Kingston upon Thames
- Surbiton
- Teddington
- Hampton
- Feltham
- Putney
- Wimbledon
- Sutton
- Barnet
- Farnborough
- Fleet
- Aldershot
- Basingstoke
- Hook
- Watford
- Rickmansworth
- Hemel Hempstead
- St Albans
- Berkhamsted
- Hatfield
- Henley-on-Thames
- Wallingford
- Didcot
- Abingdon
- Oxford
- Thame
- Luton
- Dunstable