Endorsed by Which?

Avant Garde Damp Solutions Limited

4.9

92 Reviews

Opening Hours
Today -
  • Monday 07:30–19:00
  • Tuesday 07:30–19:00
  • Wednesday 07:30–19:00
  • Thursday 07:30–19:00
  • Friday 07:30–19:00
  • Saturday 09:30–19:00
  • Sunday - Closed

What is a Which? Trusted Traders Hertfordshire Trading Standards Approved Endorsement?

Which? Trusted Traders has partnered with Hertfordshire Trading Standards to create a Hertfordshire Trading Standards Approved endorsement. In addition to our standard trading standards assessment, this trader has had a DBS check and is subject to a Trading Standards intelligence check

About

Established in 2003, Avant Garde has treated hundreds of properties across the South East, including domestic, commercial and historical buildings. Treatments for woodworm, dry rot and rising damp have been carried out successfully, with no signs of re-infestation.

We hold full membership with Sovereign Chemicals, the gold standard in building products, and are governed by their strict requirements as to the quality of workmanship and materials used on all our contracts. Work completed by us will be guaranteed in accordance with our specialist reports, supplied to each client after our initial visit.

COVID-19 POLICY: We are continuing to provide our expert service throughout the restrictions. Our processes have been adapted to ensure social-distancing protection is adhered to for the safety of our staff and customers (Update May 2020) .This will be updated as and when new information is available.

Ben Sullivan m:07985616724 tel: 01923350193

http://www.checkatrade.com/AvantGardDampSolutionsLtd/

What we do

  • Damp proofing and timber preservation services

    • Timber treatment services
    • Injection damp courses
    • Tanking Systems
  • Plastering

    • Flat ceilings
    • Lime plastering
    • Rendering
    • Skimming
  • Tanking

  • Handyman and home maintenance services

  • More Services

    • basement refurb
    • cdm system
    • dry rot
    • woodworm
    • thermal wall

Customer reviews

Why you can trust these reviews

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100% of the reviews we publish have been through our stringent moderation process.

4.9
92 reviews
Customer Service
4.9
Quality
4.9
Value
4.9
Sort by
Damp treatment
Customer Service
Quality
Value
Avant Garde quickly identified the cause of damp in our front room and took immediate steps to rectify the problem both inside and outside the house. Their hard working team were highly skilled and friendly, were able to clearly explain the process, and took great care to keep the house as clean and impact free as possible. I would recommend this company to anyone with damp issues.
Customer in Buckinghamshire Posted on 30/11/2025 , work completed 14/11/2025
High quality work. Nice guys
Customer Service
Quality
Value
Ben's team did a big job of damp remediation at my residence. They also fixed some plaster that was in poor shape. He has a team of nice and professional guys. The work came out great and they got it done in good time.
Customer in Buckinghamshire Posted on 30/11/2025 , work completed 31/10/2025
Highly professional and High quality workmanship
Customer Service
Quality
Value
Ben and his team, from booking in to completing works were fantastic. Whole process was made easy, with quick & thorough communication, personable site visits to delivering high quality works. Bens team worked hard and diligently to deliver a great finish, and above all a solution to a damp problem that was pestering us for a while. Special thanks to Jimmy who was a star all the way through.
Customer in Buckinghamshire Posted on 30/10/2025 , work completed 27/10/2025
All work done to high standard and checked
Customer Service
Quality
Value
Ben and his team are very efficient helpful and kind, all work done was checked by Ben and any little niggles ironed out immediately, I can't recommend them enough
Customer in Berkshire Posted on 03/07/2025 , work completed 20/06/2025
Absolutely brilliant
Customer Service
Quality
Value
Ben and his team were absolutely brilliant! They were competent, punctual and carried out the work in the established time frame. Ben guided us through every step of the way giving clear information and reasoning for the work undertaken. His team were reliable and trustworthy and left the place clean. We were really happy with the result and we would be happy to recommend Avant Garde to family and friends.
Customer in Greater London Posted on 29/06/2025 , work completed 30/05/2025
Professional and effective damp treatment
Customer Service
Quality
Value
We employed Avant Gard to treat a damp problem we had on 2 walls. In addition we asked for some repair jobs to some historical problems we had with damaged walls. The team know their stuff and completed quite a lot of work in 3 days. The problem has, as far as we can see been resolved. The process involved an initial survey which is carried out prior to any work and then we were given options on the best treatment. Overall, a solid job and I would recommend
Customer in Hertfordshire Posted on 24/03/2025 , work completed 14/02/2025
Damp Proofing and treatment for woodworm
Ben and his team provided a realistic and competitive quotation against others received to undertake damp proof treatment to lower level rooms in a property built in 1893. He took the time to explain carefully the work being suggested, the materials to be used and how these would be effective in treating the damp issues that existed. The work was completed to the schedule that was stated. The team were very diligent in their preparation of the area, covering floors and furniture to ensure no damage was done as they worked. There was good communication and explanation as the work progressed. Very happy with the work done. Thanks Ben and your colleagues! Much appreciated.
Customer in Hertfordshire Posted on 06/02/2025 (Reviewer did not use service)
Damp problem surveyed, analysed and dealt with
Customer Service
Quality
Value
A damp survey was conducted thoroughly in the course of which we gained good advice. This was followed by a by a comprehensive report containing all the advice and more. We needed some work done so that our damp course could work; we also needed some internal work which involved stripping back one internal wall and re-plastering it. The work was carried out efficiently and to a good standard. We feel that our damp problem has been comprehensively and professionally dealt with. Communication was excellent, queries were immediately responded to.
Customer in Buckinghamshire Posted on 26/01/2025 , work completed 29/11/2024
Very knowledgeable and professional
Customer Service
Quality
Value
Ben was very thoughtful and considered to the damp problem we encountered. He explained the problem in detail patiently answering all of our questions. The report he gave us was detailed and the work was completed efficiently and to a high standard. They left the place spotless upon completion. An excellent company.
Customer in Greater London Posted on 24/01/2025 , work completed 24/01/2025
Excellent Service
Customer Service
Quality
Value
Avant Garde Damp Solutions undertook a site survey and recommended the installation of a French drain and the replastering of internal walls. The work was carried out and we are very happy with the work undertaken. 20 Year guarantee given on the work.
Customer in Greater London Posted on 21/01/2025 , work completed 11/11/2024