Thames Valley Drains

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Clearmasters

Drainage and sewer services covering Basingstoke.

Call 03333 233566 Visit website

7/13questions answered
4.9from 63 reviews
2026-11-07last checked

What they will and will not do

Question a customer asksAnswerEvidence
Can they come out tonight if my drain is backing up? Not stated Not published on their site
Will anyone come today? Not stated Not published on their site
Will they confirm the cost before starting? Not stated Not published on their site
Is there a charge just to turn up? Not stated Not published on their site
Can they survey the drain and show me the problem? Yes What we do CCTV survey to find the fault No-dig lining for cracks and roots Excavation for collapsed pipes Drain lining Excavation and … — source
Do I get a report I can send to my insurer? Yes …out more We’d recommend CCTV drainage survey A full survey with footage, stills and a written report you can share. — source
Can they clear roots and fat properly, not just rod it? Yes Our tankers range from 2,000 to 4,000 gallons, and all have jetting equipment, so we can clear the inlet and outlet pipes on the same visit. — source
Can they repair without digging up my drive? Yes What we do CCTV survey to find the fault No-dig lining for cracks and roots Excavation for collapsed pipes Drain lining Excavation and replacement How often Look after … — source
Can they replace a collapsed section? Yes What we do CCTV survey to find the fault No-dig lining for cracks and roots Excavation for collapsed pipes Drain lining Excavation and replacement How often Look after the septic tank or plant in front of … — source
Do they empty and service septic tanks? Yes Can need emptying every few weeks Cesspit emptying → 03 Treatment plant Uses air and bacteria to clean the wastewater, with a blower, pumps and an alarm that all need looking after. — source
Can they install or repair a soakaway? Yes …by connecting to the mains, replacing it with a treatment plant, or installing a drainage field. — source
Do they work on commercial sites? Not stated Not published on their site
Is the repair guaranteed in writing? Not stated Not published on their site

Services listed

Blocked drain clearance · CCTV drain surveys · High-pressure jetting · No-dig relining · Septic tank emptying · Cesspit emptying · Soakaway installation · Commercial drainage · Grease trap clearance · Root removal · Drain surveys for homebuyers · Tanker services · Sewage treatment plants

Coverage and contact

Base: Rough Beech Court, Dowlands Lane, Smallfield, RH6 9SD. Covers Basingstoke . Phone 03333 233566. Website www.clearmasters.co.uk.

How this profile was built

Details come from the firm's own website and public listings. Each capability answer was read from a named page (linked above) and recorded on 2026-11-07. Where a firm has not published something, the answer says "Not stated" rather than assuming. If you are the business and something here is wrong, it should be corrected — a wrong phone number is worse for you than for us.