we cover many areas of Greater London & St Albans, Hemel Hempstead, Hatfield, Potters bar, Cheshunt, Harlow..

Yes. A free survey is available to all customers.

Yes. After a site inspection and discussing requirements with the clients, we provide a written quotation with a full price breakdown, window by window.

For items which we supply and fit our lead time on all products is between 3 to 7 weeks, and depends on how busy we are (during the busy summer months our lead times can stretch). the lead time only begins once a Purchase Agreement has been signed and your deposit has been received.

Yes. Our complete new windows and doors comply with Document “L” building regulations. New windows and doors fitted into their existing frames do not have to comply as this type of work is classed as refurbishment.

Yes. We are able to match and replicate the existing features of period sash windows and doors and any architraves.Sashed can usually match any existing windows. We just need pictures of the existing windows to kick the process off.

Repair is cheaper in the short term but may not provide the best long term solution.

It depends how much work each windows needs but standard draught proofing without replacing rotten sills, glazing etc starts at approximately £350 per window. For a more accurate quote please call us on 0800 130 3003 to arrange a free no obligation survey.

The time taken will vary depending on the survey result. Typically we work to a one window per day time scale although this can be adjusted if necessary to suit your requirements.

This depends entirely upon what type & conditions of window you have, however we have developed a service that will more than likely meet your requirements, namely by replacing your existing moving sashes with new, slim double glazed replicas into the original box frames. Find out more here.

The main complaints we hear about are draughty, rattling windows. Our draught proofing system closes the gap around the sashes, eliminating draughts, rattles and reducing dust ingress and heat loss.

We use a variety of timbers. All are FSC certified. In most cases we use Hardwood red meranti but we do manufacture doors and windows out of a wide selection of hardwood or softwood. If you have a preferred timber choice please talk to us.

Whilst your windows are being refurbished / replaced a small amount of disruption due to noise, dust and opening to the items is unavoidable. However, great care is taken to ensure disruption is always kept to a minimum. After completion of the works, the room will be vacuumed and left tidy.

Yes. Without a doubt by installing traditional double glazed timber windows you are adding more value to your property than the cost of the refurbishment project.

Generally most installations / refurbishment works do NOT require Scaffolding as all works can be done from inside of the property, If scaffolding is necessary we will always discuss this with you in advance of the order being placed.

We guarantee to beat any quote on a like for like basis. Let us prove it!

We provide 10 year guarantee on our work across all products which have been installed by Design Build Joinery. Supply only customers enjoy five years.

This depends on a number of factors, like your property type (flat or house). If you are replacing like for like, then you usually do not need planning permission but you should speak to your local authority.

It is not usually possible to change your windows in a listed building unless they are beyond economic repair.

All of our new windows and doors or stairs are manufactured by our expert craftsmen in our workshops in North London. If you would like to visit our workshops to see the windows being made, please contact us on 0800 130 3003 to arrange an appointment.

We have an excellent aftersales service. Please contact a member of our team on: 0800 130 3003. We will then work with you to rectify the problem as soon as possible.