The West Midlands is built on Mercia Mudstone, a heavy clay formation that behaves very differently across the seasons. In a dry summer it shrinks and pulls away from pipe joints; in a wet winter it swells and applies lateral pressure to those same joints. Over decades, this movement causes fractures and misalignment in clay drainage runs, and tree roots find their way in through even the smallest crack. It is why the region generates more call-outs per household than most comparable parts of England, and why a simple blockage often turns out to have a structural cause underneath.
Property types vary enormously across the county. The Victorian terraces of inner Birmingham share their drainage with neighbours in ways that make it impossible to clear a blockage without understanding the shared run layout. The 1960s council estates of Coventry and Wolverhampton are laden with pitch-fibre pipes that have been deforming for sixty years and now collapse under the slightest root pressure. In contrast, the affluent semi-detached streets of Solihull and Walsall tend to have privately maintained clay runs with mature garden trees that are the single biggest cause of blockages we attend.
Severn Trent Water is responsible for the adopted public sewers across the West Midlands, but the private lateral drain from your property boundary to the sewer is your responsibility. Many homeowners do not realise this until they receive a bill. When we attend a blocked drain in the West Midlands, we always clarify ownership before recommending any repair work. If the blockage is in the public sewer, Severn Trent should be notified, and we can advise on that process. If it is on the private lateral, we fix it ourselves.
We cover the entire West Midlands metropolitan county from our offices in Cofton Hackett and Blythe Valley Park. Typical response times range from 20 minutes for central Birmingham and Solihull to 40 minutes for the outer edges of Dudley and Stourbridge. Every call-out includes a free camera check so you know exactly what caused the blockage and whether there is any underlying damage that needs addressing.