
Blocked drains, CCTV surveys, jetting, drain repairs and soakaways across Hemel Hempstead, Berkhamsted, Kings Langley and Tring. Fixed prices in writing, and a 24-hour line for blockages.
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Six services, each carried out by our own employed engineers. Every price is fixed in writing before we start.

Blocked toilets, sinks, gullies and outside drains cleared, day and night.
Find out more about Blocked drains
A camera survey of your drains, with a coded written report and the footage.
Find out more about CCTV drain surveys
High-pressure water jetting to clear fat, scale, silt and roots from drains.
Find out more about Drain jetting
Cracked, displaced and root-damaged drains repaired, mostly without digging.
Find out more about Drain repairs and relining
New soakaways and land drains for flooded gardens and downpipes with nowhere to go.
Find out more about Soakaways and land drainage
New inspection chambers, manhole covers and drain runs for extensions and driveways.
Find out more about Inspection chambers and new drainsRecent jobs, photographed on the day we finished, labelled by town.






“We show you the camera footage before we quote, so you can see the problem for yourself.”
Simon spent nine years with a regional drainage contractor, working on everything from blocked gullies to adopted sewer repairs, before starting Grovebrook from a yard in Bovingdon in 2016.
He still carries out many of the CCTV surveys himself and writes every survey report. The business is named after the small stream that runs behind our yard and into the Bulbourne.
Simon ClarkeFounder and drainage engineer
Meet the teamWhat happens from the moment you call to the day we send the report.
A member of our team answers, asks what is happening and gives you a time for the visit. For blockages, we tell you what to avoid using while you wait.
Your engineer lifts the covers, clears the drain if it is blocked and puts a camera through so you can both see the cause.
If a repair is needed, you receive the footage and a fixed written price, and we tell you if any of it is the water company's responsibility.
You receive the report, the before and after footage and the guarantee, ready for your records or your insurer.
Short films recorded by our customers, captioned and played on our own player.



Demonstration badge for the National Association of Drainage Contractors. A live site shows the firm's own membership and links to the public directory.
Check the register (opens in a new tab)Demonstration badge for CHAS health and safety accreditation, linked to its public checker.
Check the register (opens in a new tab)Public liability insurance on every job, including work on shared drains and public footpaths. We send the certificate with your quote.
Patch and full-length liners are guaranteed for ten years, and every other repair for two years.
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We work within about twenty-five minutes of our yard in Bovingdon, so a van is never far away.
We also cover Chipperfield, Leverstock Green, Abbots Langley, Northchurch and the villages in between.
Straight answers on price, timing and who is responsible for which drain. If your question is not here, call the office.
Our blocked drain call-out is £120 including VAT and includes the first hour on site, which is enough for most blockages.
For blocked drains, usually within two hours. Surveys and planned repairs can normally be booked within three working days.
You are responsible for the drain that serves only your property, up to the boundary. Shared drains and lateral drains beyond the boundary have belonged to the water company since October 2011. We tell you which is which before we quote.
Yes. Everyone who comes to your property is employed by us, trained by us and carries identification.
Patch and full-length liners are guaranteed for ten years. All other repairs are guaranteed for two years.
No. We put mats down around the chamber, wash down paths and drives when we finish, and take all waste away.
No. Every price on this site and in our quotes includes VAT.
Yes. We look after rental properties, schools and restaurants, with planned jetting and reports for each visit.
Call the office, or send a few details and we will call you back to arrange a visit.
01632 960 412We reply within one working hour, Monday to Saturday.
Monday to Friday 8:00–17:30
Saturday 8:30–12:30