To receive an estimate about your building, please contact us for a survey. One of our friendly surveyors will come out and do a professional dampness survey FREE of charge. At the end of the survey we can give you on the spot an accurate estimate and answer any questions you might have.

The quoted price includes the dehydration system (hardware) and related services: the installation and long-term monitoring of the building. We typically come back every 6-12 months to assess the progress of dehydration through professional follow-up moisture measurements, until the building dries out. These are all  included in the quoted price.

Thus the price is project dependent - similar to the price of a new kitchen or bathroom which depends on the size, features and complexity of the job. In our case, the main variables that affect the price are:

  • Size (ground floor footprint) of the building
  • Thickness of walls
  • Size of the installed system
  • Estimated length and complexity of the project
  • Your timeline: urgency factors etc.

As a guideline: the dehydration of a small / normal sized residential building costs about the same as an injected DPC (damp proof course). Larger buildings cost less than competing solutions, sometimes significantly less and in comparison our solution is non-invasive, permanent, it does not have to be redone after a number of years, and the price also includes the long-term monitoring of the building.

To request a FREE survey please click here.

Technical Guarantees

We guarantee the correct functioning of our dehydration systems for a period of 25 years, however the reliability and life expectancy of the units is significantly longer, about 100 years as there are no moving parts prone to breakdown.

Freestanding walls (above ground level walls or walls not in direct contact with soil): we guarantee that all freestanding walls under 600 mm will dry out and reach air-dry state within 3 years, assuming all other moisture sources interfering with the dehydration process have been rectified. The dehydration of thicker walls can take longer, which we let you know during the initial survey.

Underground walls: due to unknown technical factors, the complete dehydration of underground walls can’t be guaranteed unless they are free from sideways penetrating moisture as a result of additional technical measures (e.g. retainer walls, vertical barrier, drainage etc.) implemented by the Client.

Money-Back Guarantee

We offer money-back guarantee in case our dehydration system fails to resolve the problem of rising damp. For clarity, it is important to specify here, that solving other sources of moisture (e.g. rainwater ingress, leaks, dampness resulting from pointing problems etc.) for which the dehydration system has not been designed to solve does not constitute a failure of the system and thus is not covered by our money-back guarantee. This is just common sense.

In addition to rising damp, many other types of moisture sources (e.g. leaks, water ingress etc). can also affect the building fabric and overlap with rising damp, thus the remedy of these other moisture sources also becomes relevant and important. We do our best to spot and let you know about these occurrences, however they are not always obvious, especially at the beginning of the dehydration period, when in a very damp building it can be difficult to judge how much of the moisture is rising, falling or penetrating. Some moisture types can also be seasonal, e.g. interstitial (in-depth) condensation which occurs during the cold months but it's non-existent during summer. Thus not every effect is always known or obvious from the very beginning, sometimes it can take a full year (a cycle of all 4 seasons) to get the "full picture".

Due to the complexity of buildings and their interaction with moisture sources, it is almost impossible to foresee every scenario that can affect the course of dehydration, however certain materials and renovation techniques are known to create problems or are considered industry "bad practices". The following cases are thus excluded from the money-back guarantee:

  1. Damp patches on the surface of the walls during / after the dehydration: just because the surface of the walls looks damp it does not mean that the core of the walls is damp, or rising damp has not been sorted, or the dehydration system has not worked. Most often surface dampness after the installation of the dehydration system is due renovation errors and not rising damp. Here are the most common ones that can make a wall surface look damp or spotty:

    • Presence of salts: salts being hygroscopic (able to attract moisture from the air) can make the wall surface look damp even when the core of the wall in dry.

    • Incorrect plaster and building materials, or incorrect renovation procedures: renovating the walls with the wrong type of plaster can make the surface of the walls look wet or spotty, despite of the fact that the core of the walls is in fact dry. In extreme cases, salts can even "recycle" humidity back into the walls.

    • Skimming the walls instead of completely re-plastering it. This is known to create problems; the fresh plaster will be contaminated by ground salts within a few months, ruining the appearance of plaster. 

    • Dot-and-dabbing of plasterboard instead of mounting it onto battens. Salts migrate through the glue patches into the plasterboard, ruining its appearance. For longevity reasons the use of galvanized steel battens are recommended.
  2. Less than 2 years: the dehydration system has to work long enough in the building to get the job done, especially if other sources of moisture are suspected to be present and interfere with the dehydration. While a large percentage of residential buildings dry out in about 1 - 1.5 years, in some cases (e.g. thick walls, very porous or damp building fabric etc.) this can take longer.

  3. The client has changed it's mind and does not want the system anymore.
    Most goods and services in the UK are covered by a 14-30 days cooling-off period or money-back guarantee. Even Amazon's return policy is limited to 30 days and they are one of the most generous companies in this regard.

    Whether you believe it or not, a small number of clients who - despite of the good results - wanted to return our dehydration system 6 or 12 months after the installation under the pretense that they are "not happy" with the results. To protect ourselves from such fake claims we have included this clause here.

In real life such cases are far and few in-between. The vast majority of buildings dry out without issues. Most problems can also be easily rectified, and we do that proactively, even before it becomes a problem. We stand 100% behind what we do and rest assured, we will do everything to get your building dry, and if our system fails to work and solve the rising damp problem we will give your money back.

We must have attempted to rectify the problem before initiating any refund request.

Once the wall fabric has reached air-dry state and the building became dry, the money-back guarantee ceases (after all the system has worked) and it will be replaced by our 25-year functional warranty.