Got a blocked drain in Crowthorne? TrueFlow is based in Bracknell, a short run down the A3095, so when a gully starts backing up on the High Street or a toilet stops flushing in one of the Victorian-era streets near the station, we can usually be with you fast. We operate 24 hours a day, 7 days a week, and we aim to reach Crowthorne emergencies within 60 minutes.
Every job is carried out by fully insured engineers, the exact price is agreed before any work starts, and our clearance work is backed by a 6-month guarantee. If you want the wider picture of everything we do here, see our Crowthorne service area page.
Why drains block in Crowthorne
Crowthorne was little more than a hamlet until Wellington College opened in 1859 and Broadmoor followed in 1863. The village grew quickly through the Victorian era to house staff for both institutions, and many of those older streets still sit on drainage laid when the houses were built. Original clay pipework of that age relies on short sections with rigid joints, and after a century or more of ground movement those joints crack and step, snagging paper and waste.
Tree roots make it worse. Crowthorne is wrapped in woodland, with the Scots pine plantations of Swinley Forest and Crowthorne Woods to the north and east and the heathland of Edgbarrow Woods on the Sandhurst side. The free-draining sandy heathland soil under the village holds little moisture, so roots from pines and garden conifers travel a long way hunting for water and find it at leaking joints in old clay drains. Once inside, they mat into a net that catches everything.
Finally, water in Crowthorne is hard, measured at roughly 318 ppm, because supplies in this part of Berkshire are drawn largely from chalk aquifers. Limescale builds up inside older pipes and combines with soap and fat to narrow the bore, so blockages in the village often recur in the same spot until the underlying scale or root problem is dealt with.
How we clear blocked drains
We start with the simplest fix that will work. Drain rodding clears most straightforward blockages and starts from £80. Stubborn or repeat blockages get high-pressure water jetting at up to 4000psi, from £150, which shreds root mats and dissolves compacted fat and scale that rods simply bounce off. If a drain keeps blocking, a CCTV survey from £120 shows us exactly what is going on, whether that is root ingress, a displaced joint or a collapsed section. Emergency call-outs start from £120. All prices include VAT, and we agree the exact figure with you before any work begins. Full details are on our drain unblocking service page.
Crowthorne blocked drain FAQs
How quickly can you get to Crowthorne?
We are based in Bracknell and come straight down the A3095, so we aim to reach emergencies anywhere in Crowthorne within 60 minutes, day or night.
Can roots from Swinley Forest or Edgbarrow Woods really block my drains?
Yes. Properties backing onto the pine woodland, and gardens with mature conifers, account for most root-ingress cases in the village. Roots enter through joints in older clay pipes, and jetting plus a CCTV survey will confirm the cause.
Who is responsible for a blocked drain in Crowthorne?
If the blockage is in a shared sewer beyond your boundary, Thames Water, which runs the sewers serving Crowthorne, is usually responsible; drains serving only your property are down to you. Our guide to who is responsible for a blocked drain explains how to tell.
Don’t let a blocked drain in Crowthorne turn into a flooded garden or an unusable bathroom. Call TrueFlow now on 0808 175 7440 for 24/7 clearance with a 60-minute response target and a fixed price agreed before we start.