
Damp Proofing
Damp proof course installation, tanking and specialist re-plastering to stop rising damp at source.
We identify the cause of damp, timber decay and condensation in properties across the North West, then recommend the right solution with no guesswork, and no unnecessary treatment.

We stop the rot
Clear diagnosis and honest advice — without unnecessary treatment recommendations.
Registered property care specialists working to recognised industry standards.
Clear written findings for homeowners, landlords, buyers and solicitors.
Experienced in damp diagnosis, timber decay, rot and property defects.
Damp is a symptom. Finding the cause is what matters.
DBL provides specialist damp and timber surveys, treatments and repairs for homeowners, landlords and property professionals across the North West.
From recurring damp and condensation to dry rot, wet rot and woodworm, our experienced surveyors identify what's causing the problem before recommending the appropriate solution.
Whether you're dealing with an issue in a terraced property, period home, rental property or commercial building, the first step is understanding what you're actually dealing with.

How it works
From your first call to completion, our team provides straightforward advice, professional surveys and specialist damp and timber solutions across the North West.

Tell us what you're seeing and we'll establish the right next step.
We inspect the affected areas, profile moisture and investigate timber where required.
You receive clear findings explaining the cause, affected areas and recommended action.
Where work is required, we'll explain the appropriate treatment and provide a clear specification.
Where DBL carries out remedial work, it's completed professionally with applicable guarantees and aftercare.
From damp surveys and damp proofing to timber repairs and mould solutions, our specialists provide professional property care across the North West.

Damp proof course installation, tanking and specialist re-plastering to stop rising damp at source.

Independent moisture profiling with a written report for homeowners, landlords, vendors and solicitors.

Identification, removal of affected timber and treatment of the surrounding structure to stop the spread.

Locating the water source, cutting out decayed timber and reinstating with treated replacements.

Species identification, activity assessment and targeted treatment of infested structural timber.

Ventilation assessment and practical solutions for black mould caused by condensation, not leaks.
We'll identify the cause and recommend the right solution.
Book a Free SurveyGuesswork costs money. A DBL damp survey identifies the true cause - rising damp, penetrating damp, condensation or timber decay - so the work you pay for actually fixes the problem.

Independent feedback from homeowners, landlords and property professionals.
Two other companies quoted for a full damp proof course. DBL surveyed properly, found a failed gutter and saved us thousands. Honest from start to finish.
Dry rot in the cellar was dealt with quickly and cleanly. The report was clear enough for our solicitor and the guarantee gave the buyer confidence.
As a landlord I need work documented properly. Photographs, findings and costs all in one report, and the tenants said the team were spotless.
Wherever you are in the North West, DBL can help you understand what's happening within your property.
Our surveyors cover homes, rental properties and commercial buildings throughout the region, providing specialist damp surveys, timber inspections and remedial treatments.
We cover areas including:
And surrounding towns and communities throughout the North West.
Straight answers to the questions homeowners and landlords ask us most.
Rising damp usually shows as a tide mark low on the wall with salting and blown plaster. Condensation tends to appear as black mould in corners, around windows and behind furniture. Only moisture profiling on site can confirm which mechanism is at work.
Damp, condensation and timber problems can look very similar. A professional survey identifies the actual cause.
Book a Free SurveyDamp and timber problems rarely get better on their own. DBL provides professional surveys and specialist solutions for properties across the North West — helping you identify the cause and deal with it properly.