Norwich Double Glazing Repairs replace sealed units, locks, hinges and handles (subject to replacements being avalible). With window companies closing and warranties running out after 10yrs why spend more money on new windows if your old ones can be repaired or cleaned up. In fact if you look after your windows you should never have to spend any more money unless they are that bad, so why not ask Norwich Double Glazing Repairs first to see if anything can be done. Norwich Double Glazing Repairs offer a service in which we will come out once a year to check your windows, etc. and in some cases clean up your old uPVC doors, windows and conservatories.