Damp Proofing in Hertfordshire
Damp can cause serious damage to your home if left untreated — from structural decay and plaster damage to health risks from mould. Our damp specialists diagnose the root cause and provide guaranteed treatment solutions. Whether it's rising damp, penetrating damp, or condensation, we fix it properly the first time.
Our Damp Proofing
We offer a comprehensive range of damp proofing to homeowners across Hertfordshire and North London.
Rising Damp Treatment
New chemical damp-proof course (DPC) injection to stop moisture rising through walls from the ground. Includes replastering with specialist render.
Penetrating Damp Repair
Identifying and fixing the source of water ingress — from leaking gutters and defective pointing to cracked render and missing flashing.
Condensation Solutions
Ventilation improvements, extraction fans, and insulation to eliminate condensation and prevent mould growth.
Basement Waterproofing
Tanking systems, cavity drain membranes, and sump pump installation to create a dry, usable basement.
Mould Remediation
Professional mould removal, surface treatment, and prevention measures to eliminate existing mould and stop it returning.
Why Choose Leeway Brothers for Damp Proofing
Expert Diagnosis
We identify the exact cause of damp — not just the symptoms. Correct diagnosis means effective, lasting treatment.
Guaranteed Work
All damp proofing treatments come with long-term guarantees, giving you peace of mind.
Protect Your Home
Untreated damp causes timber rot, plaster failure, and structural damage. Early treatment saves thousands.
Healthier Home
Damp and mould can cause respiratory problems. Fixing damp issues creates a healthier living environment.
Our Process
Damp Proofing from first phone call to handing you the keys, in 5 steps.
Have a look at what we have built
Damp Proofing Costs
Damp proofing costs depend on the type of damp and the extent of the problem:
Prices include survey, treatment, and replastering where required. Free damp surveys provided.
Damp Proofing across Hertfordshire & London
Every town below is one we have actually worked in. Tap through to see the job and what we cover locally.
Hemel Hempstead
Garden Pergola & Entertaining Space
Watford
Loft Bedroom with Fitted Storage
St Albans
Navy Shaker Kitchen with Belfast Sink
Barnet
Modern Floating Staircase
Camden
Decorative Iron Fencing
Ealing
Open Plan Kitchen & Living Space
Frequently Asked Questions
Common questions about our damp proofing.
How do I know if I have rising damp?
Is damp proofing guaranteed?
How long does damp treatment take?
Ready to Start Your Damp Proofing Project?
Get a free, no-obligation quote for damp proofing in Hertfordshire & London. Our qualified team is ready to help with your project.