Barnstaple, Devon
Basement Tanking in Barnstaple
Cementitious tanking and cavity drain systems for basements, cellars and below-ground rooms.
Our basement tanking work in Barnstaple starts with a free survey, because guessing at a render specification is how jobs go wrong.
The prevailing picture in Devon is cob and thatch, stone farmhouses and extensive coastal housing. That means cement render on cob causing structural decay comes up more here than almost anywhere else.
With high rainfall and exposed coastal conditions, specification matters more in this part of the country than a national price list suggests. Cob is unforgiving — it must be finished in lime, and cement rendering over cob is one of the most damaging things that can be done to a devon property.
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 Barnstaple
| 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 Barnstaple
Basement Tanking in Barnstaple
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 Barnstaple
Do you offer a guarantee?
Yes. Every job carries our workmanship guarantee, and where a full manufacturer-specified system is installed you also get the system warranty on top.
What time of year is best for rendering?
Spring through autumn is ideal. Render should not be applied in frost or in very hot direct sun, so winter work needs protection and settled conditions.
Can you render over existing render?
Sometimes, if the existing coat is completely sound and well-bonded. We hammer-test it first. Anything hollow has to come off, because covering failure just hides it.
Are you insured?
Yes — full public liability cover, and we can send the certificate before we start. We are happy to provide RAMS for commercial and contractor work.
What areas do you cover?
We work UK-wide, with teams across England, Scotland, Wales and Northern Ireland. If we are not the right firm for your location we will tell you rather than waste your time.
Free survey in Barnstaple
We will confirm whether basement tanking suits your walls before quoting a price.