
Restoration & draught proofing
Quite often a simple restoration and draught proof is all it takes to get your windows back to their best, while reducing outside noise and heat loss.
Restoration details →Restoring original timber windows and doors across Hertfordshire, Bedfordshire and Cambridgeshire — preserving period character while improving comfort, operation and efficiency.
Request a free estimateHere at Heritage Window Restorations, we specialise in sash and timber window restoration, repair, draught-proofing, double glazing to original windows, and timber door draught-proofing across Hertfordshire, Bedfordshire and Cambridgeshire.
We have worked in the sash window repair and restoration industry for over fourteen years giving us the knowledge and experience to repair and restore your windows or doors. We can restore your windows and doors so they look period correct and function properly; as well as reduce noise and your heating bill by using our specialist draught-proofing system.
We aim to provide you with a service that cost-effectively restores your timber sash windows and doors to their former selves, looking and functioning correctly.
We do not charge for our estimates. So if you're thinking “we really should get our windows looked at”, give us a call or send us an email and see what we can do for you.

We prefer to repair rather than replace, helping retain the character of your property while keeping costs sensible.

Quite often a simple restoration and draught proof is all it takes to get your windows back to their best, while reducing outside noise and heat loss.
Restoration details →
From small areas of rot to major timber repairs, we use quality joinery-grade timber and proven repair systems designed to last.
Repair details →
We fit single and double glazed units and, where suitable, can machine original windows to accept slimline double glazing while retaining their period appearance.
Glazing details →Modern sash windows often use spiral balances. When they weaken, snap or no longer hold the sash up, we can replace them and return the window to full operation.
Spiral balance details →For snapped cords we offer a dedicated re-cording service using UK-manufactured waxed cotton sash cord with a durable nylon centre.
Re-cording details →We prefer to save original windows wherever possible, using traditional and modern techniques to preserve period detail and improve everyday performance.
Why choose us →Sash window repair and restoration covering Hertfordshire, Bedfordshire, Cambridgeshire, Northamptonshire, Buckinghamshire & London.
Our core areas include Stevenage, Knebworth, Ware, Hertford, Letchworth, Hitchin, St Albans, Harpenden, Welwyn, Royston, Buntingford, Bedford, Biggleswade, Sandy, Stotfold, Cambridge, St Neots, Huntingdon and surrounding areas.
View areas coveredOriginal timber windows were built to last. Our aim is to keep them working correctly and looking period-correct, while making sensible improvements to draught resistance, glazing and everyday usability.
Have a sash window that won't stay open, snapped cords, draughts, rotten timber or glazing that needs attention? Get in touch and see what we can do for you.