

Basement damp proofing services in Hampshire, Surrey, Sussex, and Wiltshire
Basement areas can be breeding grounds for damp, rot, and mould. This can infect the rest of your home, weakening the structure of the building and creating an unhealthy living environment. With professional basement waterproofing solutions from BWT Southern, you can protect basements against water ingress and gain dry, usable basement spaces. We provide professional basement waterproofing services throughout Fareham, Portsmouth, and the Hampshire, Surrey, Sussex, and Wiltshire region. Contact us today for a free quote.
The benefits of basement waterproofing
If your property has a damp or flooded lower level, BWT Southern offers high-quality moisture management solutions designed to industry standards to deliver long-lasting waterproof protection.
Gain more space
By utilising modern waterproof membrane systems, a basement conversion waterproofing project can transform dark areas into a new room for you to use as you wish.
Increase your home’s value
A professionally sealed basement is guaranteed to improve property value for both domestic and commercial clients.
Stop damp, rot and mould
Proper sealing stops structural timber rot, mould, and groundwater ingress from infesting your home.
Save on heating costs
Keeping hydrostatic water pressure at bay safeguards your property's foundational integrity and delicate internal decor.
Complete basement waterproofing
Creating a whole new living space for your home is easy with the damp-proofing services from BWT Southern. Our experienced waterproofing specialists excel at tanking damp environments, offering solutions suitable for new and existing basements alike.
Our reliable workmanship transforms vulnerable structures into clean, watertight, usable spaces. We have offices in Fareham, Portsmouth, Guildford, Salisbury, and Bishop’s Waltham, and we operate throughout Surrey, Sussex, Wiltshire, and Hampshire to provide free quotations for trusted property preservation.

The benefits of basement waterproofing
If your home is showing signs of rising damp, BWT Southern can deal with the problem quickly and effectively, and at a competitive price.








A below-ground structure in Greenwich, next to the Thames, is suffering from water seepage. The walls and floor area have been tanked with Delta MS500, and a drainage system has been installed. This is also covered by a 10-year guarantee.


