Structural Waterproofing

Top Rated Across Southern England & Wales

From basements and cellars to ground-retaining walls in homes across Dorset, Hampshire, Bristol, Bath or South Wales. We provide specialist structural waterproofing solutions. We ensure your building stays watertight, safe and structurally sound even when facing challenging moisture or water ingress conditions.

A person wearing gloves applies a blue waterproofing sealant to the corner of a concrete floor and wall using a brush as part of an effective penetrating damp-proof treatment.
A grey icon of a house with a large exclamation mark inside a triangle and three wavy lines below, suggesting a Nordic Damp Proofing warning about flooding or water damage in the home.

We find it. We treat it. We stop it coming back.

What Is Structural Waterproofing & Why It Matters

Structural waterproofing refers to the methods used to protect a building’s structure—especially below ground or earth-retaining elements—from water ingress and hydrostatic pressure. Unlike standard damp-proofing (which handles moisture above ground), it’s about safeguarding the actual fabric of the structure—walls, slabs, basements, and foundations. Without the right waterproofing, water ingress can lead to damp, mould, timber decay and even structural damage.

If your property has signs of water ingress, damp below-ground, or you’re looking to convert a cellar or basement space and want to ensure it’s watertight, we’re ready to help. Trust Nordic Damp Proofing to deliver a tailored structural waterproofing solution that lasts.

Our Structural Waterproofing Services

Full Structural Moisture Survey & Diagnostics

We carry out a comprehensive inspection of your property’s below-ground and ground-level structure, identifying water-ingress paths, hydrostatic pressure zones and weak points in walls or slabs so the correct waterproofing solution can be designed.

Barrier (Type A) Waterproofing Systems

We install barrier systems such as bonded membranes, cementitious coatings or tanking methods that provide a watertight layer to stop water entering through walls and floors.

Integral (Type B) Protection Systems

For properties where the structure itself is designed to be water-resistant (e.g., reinforced concrete), we assess and upgrade structural elements so they form part of the waterproofing approach — delivering seamless protection built into the fabric.

Drainage (Type C) Systems & Water-Management

When water ingress is unavoidable, we install internal drainage membranes, sump and pump systems and channel systems to collect, route and remove infiltrating water, rather than simply trying to block it.

Basement & Cellar Waterproofing

We specialise in waterproofing spaces such as basements and cellars — converting them into dry, usable areas by applying tailored structural waterproofing solutions aligned to the building’s unique conditions and usage.

Structural Repair Integration

Where waterproofing work reveals or necessitates structural repairs (such as wall-tie replacement, corrosion works or insulation removal), we coordinate and carry out these allied works to ensure the waterproofing solution is effective and long-term.

A grey icon of a house with a large exclamation mark inside a triangle and three wavy lines below, suggesting a Nordic Damp Proofing warning about flooding or water damage in the home.

Why Choose Our Structural Waterproofing Service?

  • We combine moisture-control and structural-protection expertise — especially important for older homes on the South Coast (sea air, high humidity).

  • Our surveyors use current standards (e.g., BS 8102:2022) and appropriate waterproofing strategies (Types A, B, C) to deliver the correct protection.

  • Transparent process: detailed diagnostics, clear scope of work and long-term assurance.

  • End-to-end service: from survey to installation to guarantee.

Why Choose Nordic Damp Proofing?

Discover why homeowners across England and Wales trust us for reliable, long-term moisture control in their properties.

How Does Our Process Work?

We use in-house, fully-trained surveyors and modern diagnostics to ensure accurate assessments, transparent pricing and guaranteed results.

Guaranteed & Backed for Peace of Mind

All treatments are covered by our company-backed guarantees plus a free 6-month follow-up inspection — so your home stays protected for years.

Before you leave...
Speak with an expert

At Nordic Damp Proofing, we’re pleased to offer damp, mould, and timber surveys to homeowners and landlords. In some cases, fees may apply for more detailed reports — but don’t worry, our team will always let you know beforehand.

Submitting this form doesn’t commit you to a survey. One of our friendly team members will contact you within 24 hours to discuss your enquiry and confirm whether a survey is needed. Once booked, we can usually arrange a visit within 24 hours of confirmation.