Ampthill, Bedfordshire
Basement Tanking in Ampthill
Cementitious tanking and cavity drain systems for basements, cellars and below-ground rooms.
Our basement tanking work in Ampthill starts with a free survey, because guessing at a render specification is how jobs go wrong.
Across Bedfordshire, Victorian terraces in Luton and Bedford alongside large 1960s-80s estates and newer commuter developments dominates, and cement render cracking on 1960s estate housing and tired pebbledash on interwar semis is what we are called out to most often.
With a drier eastern climate with modest annual rainfall, specification matters more in this part of the country than a national price list suggests. Clay subsoils across much of the county mean seasonal movement, so movement joints and mesh reinforcement matter more here than the rainfall alone suggests.
When basement tanking is the right call. Choose tanking for cellar and basement conversions, persistently wet below-ground rooms, and any space you intend to make habitable.
Guide price in Ampthill
| Guide price | £115–£195 per m² |
|---|---|
| Applied thickness | Multi-coat cementitious system |
| Guarantee | 20 years |
Indicative only. The guide-price tool gives a range for your property; the survey gives the fixed price.
What the job includes
- Cementitious tanking slurries
- Cavity drain membrane systems
- Sump and pump installation
- Type A and Type C waterproofing
- Fillets and junction detailing
- Withstands hydrostatic pressure
If a cheaper specification would do the job, we will say so. If it would not, we will tell you why.
Also covering near Ampthill
Basement Tanking in Ampthill
Tell us about the property and we will call you back to arrange a survey.
What happens next
Four steps from enquiry to finished wall
Free survey
We visit, test the substrate, measure up and identify what caused any existing failure.
Written quote
An itemised fixed price with the system named, materials specified and scaffold included.
Booked in
An agreed start date, scaffold arranged, and a clear run of days set aside for your job.
Finished and guaranteed
Site cleared, scaffold struck, guarantee documents and system warranty issued.
FAQs
Basement Tanking in Ampthill
Can you match my existing render?
Usually, yes. We colour and texture match as closely as we can, though weathered render never matches a fresh batch exactly — we will be honest about how visible a patch will be.
Can any cellar be tanked?
Most can, but the right system depends on water pressure, structural condition and intended use. A survey establishes which approach is appropriate.
How long does basement tanking last?
A correctly designed and installed system carries a 20-year warranty. Type C systems need periodic pump servicing to maintain that.
How long does a rendering job take?
A typical three-bedroom semi is usually one to two weeks on site including scaffold, preparation, application and finishing. Weather, wall condition and the system chosen all move that.
Do I need planning permission to render my house?
Usually not on a standard house, but you will if the property is listed, in a conservation area, or if rendering would significantly change its appearance. We flag it at survey.
Free survey in Ampthill
We will confirm whether basement tanking suits your walls before quoting a price.