Drainage capacity in Fulham: the usual causes
Fulham is street after street of late-Victorian terraces, most with side-return extensions and a good number converted into flats. Loft conversions and rear extensions are widespread, and both routinely build over the original drain line.
Building over or near an existing drain brings its own requirements, and getting that wrong is expensive to correct once the structure is up.
Because the housing stock is so uniform, so are the faults: root ingress at clay joints under front gardens, grease and fat in kitchen runs, and rainwater from newly paved areas overloading gullies at the rear.
How we deal with drainage capacity in Fulham
The sequence is survey, design, fixed quote, installation, then a camera check before we backfill.
- Survey the existing drainage and establish where a new run can connect
- Design the layout with the falls, diameters and access points it needs
- Confirm a fixed price against that design before any work starts
- Excavate, lay and bed the pipework, and build the chambers
- Camera the finished run and test it before backfilling and reinstating
Most properties allow access to the rear through the house or a side passage. Where an extension covers the drain, we survey first so any excavation is limited to the actual fault.
Signs it needs attention now
- An extension or loft conversion adding bathrooms to the property
- A garden that floods or stays waterlogged after rain
- A paved or decked area with nowhere for surface water to go
- Drainage that was never adapted after a previous alteration
- A property being converted into flats with new kitchens and bathrooms
What we see most often in Fulham
- Clay laterals under front gardens affected by root ingress
- Original drain runs built over by side-return extensions
- Rear gullies overwhelmed where the garden has been fully paved
Fulham is overwhelmingly family houses, many recently extended, and much of our work follows building work that changed how the drainage runs. We also carry out pre-purchase surveys, which in this uniform Victorian stock tend to find the same handful of faults.
Equipment and what happens afterwards
Installation work uses pipe, fittings, chambers and bedding material specified for the job rather than whatever is on the van. Falls are set with a level rather than by eye, and chambers are positioned where they will still be reachable in ten years, not where they are easiest to build today.
Before anything is backfilled we camera the new run and test it, so any issue is found while the trench is still open. You get that footage, a description of what was installed and where the access points are. Reinstatement is agreed in advance and included in the fixed price rather than treated as an extra.
What drainage installation cost in Fulham
Installation work typically runs from £600 to £2,500 depending on the scope, and the fixed price is confirmed after a site visit. There is no call-out charge in Fulham, at any hour, and the price you are given on the call is the price you pay.
Areas we cover around Fulham
Our Fulham work covers SW6 and the rest of Hammersmith and Fulham. Engineers are usually 60 to 90 minutes away, and because we also cover Hammersmith, Chelsea, Putney and Battersea, a job that crosses a boundary does not need a second contractor.