Protect your home with effective damp control treatments in Portsmouth

BWT Southern in Portsmouth provides expert basement waterproofing, wall tie replacements, woodworm treatments and damp control treatments throughout Hampshire and beyond.


Damp can adversely affect your health and the structural integrity of your property. For a professional damp proofing company in Portsmouth, contact BWT Southern.

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Woodworm Treatment

Woodworms can cause a significant amount of damage to a property. At BWT Southern, we can provide a range of treatments that will get rid of woodworms once and for all.

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Basement Waterproofing

Waterproofing your basement will give you more usable space and help stop mould and mildew from building up. We provide quick and cost-effective basement waterproofing.

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Wall Tie Replacements

Are your wall ties corroding? Don’t put your property at risk. Call BWT Southern for professional wall tie replacement services.

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Your local damp proofing company

For over 17 years BWT Southern has been helping homeowners and business owners protect their properties. We provide expert waterproofing, woodworm treatments and damp control treatments. All work is fully guaranteed and all of our employees are highly experienced and qualified. We have offices in Portsmouth, Guilford, Salisbury and Bishop’s Waltham and operate throughout Surrey, Sussex, Wiltshire, Chichester, Farnham, Haslemere and Winchester.

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Customer testimonials

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