At Quantas Construction Ltd, we specialise in the refurbishment and replacement of traditional wooden sash windows. With years of hands-on experience and an eye for detail, we restore these beautiful features to their former glory — while improving insulation, security, and ease of use.
Working across Swansea, Carmarthenshire, and throughout Mid and South Wales, we offer sash window solutions tailored to each property’s age, condition, and style.
Repairing and restoring original timber frames, glazing, cords, and mechanisms to extend the life of your existing windows.
Improve energy efficiency while retaining the look and feel of your period windows.
Install discreet slimline double glazing or replace damaged panes to improve performance without compromising style.
Renewing broken or frayed cords with high-quality alternatives to restore smooth functionality.
Carefully removing and treating rot, replacing only what’s necessary to maintain the original integrity of the window.
When necessary, we craft and install like-for-like timber sash windows, in keeping with your home’s character and conservation requirements.
We have experience working on:
Our team understands how to preserve original features while bringing windows up to modern standards. Where required, we work closely with local authorities and conservation officers to ensure compliance.
Whether your sash windows are painted shut, rattling in the wind, or simply in need of some TLC, we offer a cost-effective alternative to full replacement — with stunning results.
We proudly serve a wide area including:
For expert sash window refurbishment or replacement, trust Quantas Construction Ltd. Contact us today to arrange a free site visit and quote.
