Advance Property Preservation​

Terms & Conditions | Privacy Policy

We are a small family run company and have been trading in the core business of damp prevention and control since 1995. We provide systems to resolve any damp proofing / Tanking or timber preservation problems. Providing an invaluable service to domestic properties and large commercial projects in and around the London Area. All staff are fully qualified and are DBS checked

Terms & Conditions of Contract

1. Terms of Payment for Trade Customers

Subject to status, normally 14 days from the date of invoice, thereafter £45.00 administration fee per 7 days will be charged. Applications made in accordance with valuation dates will likewise attract interest after due date for payment. As per the terms
agreed with the subcontractor on the order given.

Terms of Payment for Private Customers

Upon completion of survey and or works and receipt of invoice, thereafter a £45.00 administration fee per 7 days will be charged until the full amount of invoice is paid. We will not hesitate to instruct solicitors to reclaim overdue invoices.

2. Please note that there will be an additional charge of £200.00 plus VAT for each additional visit if treatments cannot be carried out in the proposed timescale due to circumstances beyond our control or if we are prevented from undertaking works due to client’s inability to provide access for the period of agreed works.

3. Terms of Payment
A 50% deposit is required on all works where associated building works are to be carried out by Advance Property Preservation Ltd. A deposit for non-returnable fixtures and fittings and bespoke items may be requested before the work commences once the order and start date are confirmed. The balance will be due when work is complete upon receipt of invoice unless you have agreed on credit terms in writing. All materials remain the property of APP Ltd until payment is received in full. APP Ltd will not issue any warranties, guarantees or certificates until work is paid for in full.

4. If the client requests for the work to be carried out in stages, we reserve the right to receive stage payments as each section of work is completed and to make additional charges as necessary. We always endeavour to do a professional job and therefore expect to be paid on time. Our payment terms are strictly due on receipt of invoice and, any late payments may be liable to a monthly interest penalty charge. We will not hesitate to instruct solicitors to reclaim overdue invoices.
Our quotations can be accepted for three months, after which time we reserve the right to amend our quotation and specification. Guarantee Certificates are issued on receipt of payment of the full amount due, including all retention monies.

5. All floor coverings, furniture and effects must be removed from the areas scheduled for remedial treatment prior to the attendance of our operatives. No allowance is made in our quotations for preparatory and protection works to floors walls furnishings and household items, unless noted in our specification. This work must be undertaken prior to our arrival to avoid additional expense and delay.

If coverings have been left in place or laminate, tiled or other fixed flooring left unprotected at the time when works undertaken by us are due to commence, we will accept no responsibility for discolouration, blemish or damage caused to the floor coverings and flooring. The Client accepts all responsibility for cleaning, repair, renewal or replacement of the above. Where floor coverings are left in place it will be assumed by us that the floor coverings are not of further value to the Client or others.

Whilst every care will be taken, Advance Property Preservation Ltd and/or “Associates” will take no responsibility for any unavoidable damage to decorations, fixtures or fittings. Responsibility cannot be accepted for any blemish which may occur to polished floorings, paving and Tarmac in areas where works are to be carried out. It is the client’s responsibility to ensure that adequate protective coverings are placed in position before the works commence. Written notification of any claim for alleged damage must be made within seven days of the completion of the work.

6. A verbal estimate of the time scale involved in the remedial works can only be used for general guidance and may not be a reflection of either the time spent on site or the period to complete the overall work. We accept no responsibility for failure to report on any condition which is not visible at the time our survey was carried out.

7. We will not accept responsibility for any damage that may occur whilst working on structurally weakened timbers or other material. We will not accept responsibility for damage which may be caused to adjacent or adjoining walls or objects in near proximity to the above-mentioned walls which may be affected by vibrations during the course of remedial works.

8. We are unable to treat successfully timbers which are varnished, painted, embedded or otherwise sealed. Therefore, these timbers cannot be covered by our Guarantee, unless exposed /stripped before the commencement of any treatment.

9. Unless otherwise stated “Advance” use non-flammable timber preservatives. However, we recommend that the use of open flame or burning equipment is avoided for a period of eight hours or as advised after completion of works. Refrain from allowing children or animals to come into contact with the treated areas during this time.

10. We will not provide materials or timber for work that is specified to be carried out by your own builder (others) unless otherwise stated in writing.

11. It is the client’s responsibility to ensure that all electrical circuits and installations within the area to be treated are well maintained and in safe order prior to the start of any work. A free electricity supply is required in order to operate the equipment. Availability of a free water supply is also required. Our quotation does not allow for the renewal, replacement, repair or repositioning of electrical/plumbing items or for any delays caused by the discovery of defective services. Sockets set onto skirting boards must be repositioned in accordance with current BS Regulations by a qualified electrician prior to our starting work.

12. Our reports are for remedial works only and are not survey reports of a structural nature.

13. Additional works other than dubbing out will only be undertaken on written authority from the client. All costs will be added to the invoice and passed to the client.

14. In the interests of progress and efficiency, we reserve the right to alter our specification without prior notice, but without lessening the design performance.

15. Any works specified for the attention of client in our inspection report and attached specification that are not carried out may invalidate our guarantee.

16. The standard of works undertaken by clients own builder or other third parties is not the responsibility of Advance Property Preservation Ltd and/or “Associates”.

17. It is the responsibility of the client to inform the owners of the adjoining properties if works are to be carried out to party walls and, to ensure that there are no objections and to avoid any possible damage to fixtures or contents.

18. It is the client’s responsibility to ensure that any abutting external walls, render/pointing are maintained in good condition to prevent damp penetration. Defects to areas adjacent to any works carried out by us should be attended to and repaired by clients own builder (others). Our render/plaster Guarantee extends to the areas Rendered & Plastered by us only and does not include any abutting walls or plaster / render carried out by others, adjoining our works. If inset timbers are left in situ to areas affected by dampness, such as and not limited to, door and window frames, our guarantee will not apply to the junction between timber and plaster unless a functional physical DPM between timber and plaster is in place. Unless specified our quotation/estimate does not include provision for the installation of any physical DPM.

19. If we are requested to return to the site under the terms & conditions of the Guarantee, a re-inspection fee at the current rate plus VAT will be charged per re-inspection visit. As in item 3 on the Guarantee document, the client must provide a copy of the report, plan and any correspondence pertaining to works along with the re-inspection fee prior to inspection. This requirement is an integral requirement of the guarantee. If documents are not provided with the guarantee will be deemed void. The charge will be refunded to the client if the cause is found to have resulted from defects of works carried out by us under the terms & conditions of the guarantee.

20. “Advance” requires three working days notice of any cancellation of agreed works, be they written or verbal. A charge of £280.00 + VAT or 15% of agreed works price (whichever is the greater) will apply if notice of cancellation is less than the period stated. “Working Days” meaning any day from Monday to Friday (inclusive) other than Christmas Day, Good Friday and any statutory bank or public holiday. If works have commenced and a termination is evoked by the client before our works can be concluded, a minimum total of 30% (or as assessed by independent arbiter) of the contract value will be payable by the client to “Advance” within seven days of given notice.

21. Chemicals used by us are passed under the UK Government’s Pesticides Safety Precautions Scheme for use as directed. Should additional chemicals, additives or materials be purchased by the client as part of the contract, then full responsibility for the safe handling, storage and use of those supplies and their containers will be taken by the client.

22. Tanking and plaster systems are designed to be an impervious barrier to moisture. The systems must not be punctured or damaged by construction, building or other works without prior written consent by ” Advance”. Failure to comply will invalidate the guarantee. The Guarantee does not cover the point where our render abuts existing renders by others.

23. The client must arrange the necessary consents or approvals from the Local Authority and pay statutory fees associated therewith if we are required to carry out works which are associated with the aforementioned conditions.

24. The company cannot accept responsibility for any damage to hidden services not previously indicated by the client. Any damage caused to alarm cables, BT wires and pipes etc will be chargeable to the client.

25. Where sumps/ pumps and drainage has been provided for Tanking below ground waterproofing a service agreement must be undertaken on both servicing of the pumps and flushing drainage channels through twice yearly or advised. Should this not be undertaken then our Guarantee will become null and void, any damage caused by water build up from the above will not be covered under the Guarantee.

26. Advance does not accept damage to interior decoration, whilst Advance will use its best endeavours to avoid such damage there is always a risk of dust damage/ discoloration of ceilings/ damage to wall paint/ paper from traffic in and out of the property/ tiles or items fixed on walls to adjacent areas being worked on.

27. The client should be aware that the mains powered pumps, battery backup pump and batteries are not covered under the Guarantee terms. These would be covered by the manufacturers’ warranty only (Usually 1-2 years) and then serviced via separate company client employs. Any replacement of faulty pumps/ alarms etc would be at the clients cost and not that of Advance.

Guarantee Terms & Conditions

Click here to download our Guarantee Terms and Conditions Document (pdf)

GPI Specimen Policy

Click here to download a GPI Specimen Policy Document (pdf)

GPI Consumer Leaflet

Click here to download GPI Consumer Leaflet Document (pdf)  

Website Terms & Conditions | Privacy Policy

Advance Property Preservation Limited understands that your privacy is important to you and that you care about how your personal data is used. We respect and value the privacy of everyone who visits this website, and as described in Parts 5 and 6, below, we do not collect personal data about you unless you contact us. Any personal data we do collect will only be used as permitted by law.

Please read this Privacy Policy carefully and ensure that you understand it. Your acceptance of this Privacy Policy is deemed to occur upon your first use of Our Site. If you do not accept and agree with this Privacy Policy, you must stop using Our Site immediately.

Information About Us

Our Site is owned and operated by Advance Property Preservation Limited, a Limited Company registered in England under company number 3071693.

VAT number: 662 5464 25.
Data Protection Officer: Susan Wootton.
Email address:
Telephone number: 0208 226 8799.

What Does This Policy Cover?
This Privacy Policy applies only to your use of Our Site. Our Site may contain links to other websites. Please note that we have no control over how your data is collected, stored, or used by other websites and we advise you to check the privacy policies of any such websites before providing any data to them.

What is Personal Data?
Personal data is defined by the General Data Protection Regulation (EU Regulation 2016/679) (the “GDPR”) as ‘any information relating to an identifiable person who can be directly or indirectly identified in particular by reference to an identifier’.

Personal data is, in simpler terms, any information about you that enables you to be identified. Personal data covers obvious information such as your name and contact details, but it also covers less obvious information such as identification numbers, electronic location data, and other online identifiers.

What Are My Rights?
Under the GDPR, you have the following rights, which we will always work to uphold:

The right to be informed about our collection and use of your personal data. This Privacy Policy should tell you everything you need to know, but you can always contact us to find out more or to ask any questions using the details in Part 10.

The right to access the personal data we hold about you. Part 9 will tell you how to do this.

The right to have your personal data rectified if any of your personal data held by us is inaccurate or incomplete. Please contact us using the details in Part 10 to find out more.

The right to be forgotten, i.e. the right to ask us to delete or otherwise dispose of any of your personal data that we have. Please contact us using the details in Part 10 to find out more.

The right to restrict (i.e. prevent) the processing of your personal data.

The right to object to us using your personal data for a particular purpose or purposes.

The right to data portability. This means that, if you have provided personal data to us directly, we are using it with your consent or for the performance of a contract, and that data is processed using automated means, you can ask us for a copy of that personal data to re-use with another service or business in many cases.

Rights relating to automated decision-making and profiling. We do not use your personal data in this way.

For more information about our use of your personal data or exercising your rights as outlined above, please contact us using the details provided in Part 10.

Further information about your rights can also be obtained from the Information Commissioner’s Office or your local Citizens Advice Bureau.

If you have any cause for complaint about our use of your personal data, you have the right to lodge a complaint with the Information Commissioner’s Office.

What Personal Data Do You Collect?

Subject to the following, we do not collect any personal data from you. When using our website(s) we may place cookies on your computer or device, but these are only used to provide the best browsing experience. Overall, cookies help us provide you with a better website by enabling us to monitor which pages you find useful and which you do not. A cookie in no way gives us access to your computer or any information about you, other than the data you choose to share with us.

You can choose to accept or decline cookies. Most web browsers automatically accept cookies, but you can usually modify your browser setting to decline cookies if you prefer. This may prevent you from taking full advantage of the website.

We do not collect, store, forward or use this information for marketing purposes.
If you send us an email, we may collect your name, your email address, and any other information which you choose to give us.

How Do You Use My Personal Data?

If we do collect any personal data, it will be processed and stored securely, for no longer than is necessary in light of the reason(s) for which it was first collected. We will comply with our obligations and safeguard your rights under the GDPR at all times. For more details on security see Part 7, below.

As stated above, we do not generally collect any personal data. If you contact us to obtain your personal details from your email, we may use them to respond to your email.

You have the right to withdraw your consent to us using your personal data at any time, and to request that we delete it.
We will not share any of your data with any third parties for any purposes other than storage on an email server.

How and Where Do You Store My Data?
We will only store your personal data in the UK (with the exception of Externally Hosted Email services with Microsoft). This means that it will be fully protected under the GDPR.

Do You Share My Personal Data?
We will not share any of your personal data with any third parties for any purposes, unless prior acknowledgement of consent is received or subject to one important exception.

In some limited circumstances, we may be legally required to share certain personal data, which might include yours, if we are involved in legal proceedings or complying with legal obligations, a court order, or the instructions of a government authority.

We may sometimes contract with the following third parties for data storage purposes:

Microsoft: We use Microsoft for externally hosted Email services. More information on Data Protection and GDPR can be found by visiting

If any of your personal data is transferred to a third party, as described above, we will take steps to ensure that your personal data is handled safely, securely, and in accordance with your rights, our obligations, and the third party’s obligations under the law, as described above in Part 7.

In some limited circumstances, we may be legally required to share certain personal data, which might include yours, if we are involved in legal proceedings or complying with legal obligations, a court order, or the instructions of a government authority.

How Can I Access My Personal Data?
If you want to know what personal data we have about you, you can ask us for details of that personal data and for a copy of it (where any such personal data is held). This is known as a “subject access request”.

All subject access requests should be made in writing and sent to the email or postal addresses shown in Part 10. To make this as easy as possible for you, a Subject Access Request Form is available for you to use. You do not have to use this form, but it is the easiest way to tell us everything we need to know to respond to your request as quickly as possible.

There is not normally any charge for a subject access request. If your request is ‘manifestly unfounded or excessive’ (for example, if you make repetitive requests) a fee may be charged to cover our administrative costs in responding.

We will respond to your subject access request within one month of receiving it. Normally, we aim to provide a complete response, including a copy of your personal data within that time. In some cases, however, particularly if your request is more complex, more time may be required up to a maximum of three months from the date we receive your request. You will be kept fully informed of our progress.

How Do I Contact You?
To contact us about anything to do with your personal data and data protection, including to make a subject access request, please use the following details for the attention of Susan Wootton:
Email address:
Telephone number: 0208 226 8799.

Changes to this Privacy Policy
We may change this Privacy Notice from time to time. This may be necessary, for example, if the law changes, or if we change our business in a way that affects personal data protection.

Any changes will be immediately posted on Our Site and you will be deemed to have accepted the terms of the Privacy Policy on your first use of Our Site following the alterations. We recommend that you check this page regularly to keep up-to-date.

Effective water-proofing solutions

• Cementitious structural waterproofing
• Cavity drain membrane system
• Professional advice on waterproofing systems for new builds

Skilled team of remedial technicians and renderers


Get quality damp prevention and control services from Certified Surveyors in Remedial Treatments – including dampness, timber and Health and Safety modules, and CSSW trained surveyors. As members of the Institute of Specialist Surveyors and Engineers and The Guild of Master Craftsmen, you can count on us for quality damp proofing services. And the best part is that all our remedial works are fully guaranteed.

Read some of our customer testimonials to appreciate our quality services – If you require Tanking & Waterproofing services in and around London, contact our experienced Waterproofing Team today on 020 8226 8799, by email at or via our Contact Us page