London Box Sash Windows Logo

Terms & Conditions.

London Box Sash Windows Terms & Conditions



1. This agreement is made on the contract date between the customer and London Box Sash Windows Ltd. hereinafter called the Company. The Customer agrees to buy and the Company sell (and install) at the premises mentioned overleaf the windows, doors or other products specified overleaf at the price overleaf.


2. It is the customer’s responsibility to ensure the accuracy of the description of the Goods and services set out on the Purchase Agreement and design specifications and to inform us of any amendments required in writing to


3. Following the execution of this contract the customer will allow reasonable access to the premises by the company and its staff to carry out detailed survey of the proposed installation and also the company’s installation staff. The company survey is relative only in the terms of the contract specified and the company accepts no liability for any defect or damage to other parts of the premises not exposed at time of survey.


4. The company will endeavour to install the product within the period arranged but cannot be held responsible for any delay of any installation caused by accidents, fires, strikes, lock-outs or causes beyond the company’s control.


5. The company does not warrant that additional or replacement windows or conservatory buildings eliminate or control condensation.


6. No work will be done or materials supplied other as specified overleaf.


7. The company will use its best endeavours to obtain the best glass available but neither the manufacturers or the company guarantees clear or mirror imperfections or distortions. Neither will the company accept responsibility for breakage of the glass after installation is complete, unless the breakage is a result of faulty/installation or manufacture.


8. All reasonable care will be taken but the company shall not be responsible for damage caused to internal or external decoration, ceramics or other tiles, other than rendering or plastering necessary to complete contracted installation. The company will only replace window cills and internal window boards where specified.


9. Whereas the company will make every endeavour to avoid damage to the customer’s property reasonable precautions to protect furniture, furnishings carpets and effects in the intermediate areas must be taken by the customer, accordingly the company shall not be liable for damage caused to the customer’s property unless such precautions are taken.


10. It is the clients’ responsibility to remove and put back blinds, curtains, pelmets, shutters or related soft furnishings surrounding windows before and after any work is carried out. If you would like the company to carry out this work out at an additional charge may be added to your final invoice and any such work is carried out at the customers’ own risk. Unless otherwise agreed, furniture and other items should be removed from rooms being worked in or moved well away to avoid damage. The Company will not be held responsible for any damage in any circumstances.


11. The company guarantees to repair or replace free of charge any defective unit installed by them for a period of 10 years with our drained & vented system (5 years with standard glazing system, 1 year slimlite DGUs) from date of installation, provided all outstanding monies due to the company are paid in full.


12. The balance payable on completion shall be paid to the company upon delivery or installation of the units whatever maybe applicable to the contract. The customer shall not be entitled to withhold payment by reason of any alleged minor defect that would be remedied under the terms of the guarantee. Any outstanding balance due and not paid to the company within 14 days after installation or delivery, whatever is applicable shall be chargeable to the customer at 2% per month or part of a month. This clause shall be enacted entirely at the discretion of the company.


13. It is the customer’s responsibility to obtain planning permission if it is required.


14. If upon the survey the company are of the opinion that it would not be safe or suitable for the work to be carried out or exceptional difficulties or expense might arise the company may cancel this contract and will refund to the customer all monies paid by way of deposit.


15. Extensions, additions or structural alterations may require planning or bye-law approval. It is the customers responsibility to obtain any necessary approval unless expressly agreed in writing by the company to attempt to obtain such permission.


16. All goods supplied by the company shall remain the property of the company until paid for in full.


17. In line with the Company’s policy of improvement, the company reserves the right to amend or alter specifications of materials or construction as required.


18. Base construction and level is to be as the Company’s standard specifications unless specifically agreed on the contract or with the Company’s surveyor in writing. Where the customer decides to provide his own base, or construction no liability can be accepted for defects caused by this base.


19. In the unlikely event of products supplied fitted requiring rectification the Company shall correct same at no cost to the customer. However the Company shall not be liable to the customer or any party for any consequential losses whatever.


20. Trickle Vents will be installed where Building Regulations stipulate, they must be used.



The business always endeavours to provide the best service for every customer. However, on rare occasions, there may be times where a customer may not be completely satisfied.  To ensure the business is able to put things right as soon as possible, please read our complaints procedure below.  The business will then be able to respond promptly to ensure complete satisfaction.
As soon as possible after the completion of the works, please inspect the work to ensure everything has been carried out based on the contract terms and the high standards the business aims to achieve.
In the unlikely event there is anything you are not completely satisfied with, please contact the business as soon so the problems can be rectified as soon as possible.
Our Procedure
Either call, email or write* to us. The business aims to respond within 5 days of receiving your complaint and where possible, will provide you with a date to remedy any issues raised.
Where the business is unable to resolve your complaint using the business complaints procedure, as a Which? Trusted Trader we use Dispute Resolution Ombudsman for dispute resolution. In the unlikely event that the business cannot remedy your complaint to your satisfaction you may wish to refer your complaint to them. If you wish to do so please contact Which? Trusted traders in the first instance on 02922670040.
Google Rating
Based on 109 reviews