Conservation Sash Windows Glasgow – A Guide to Compliant Restoration and Replacement
- MWM Matt Window Mate

- May 6
- 3 min read
Updated: Oct 26
Glasgow is a city celebrated for its rich architectural heritage, with many neighbourhoods showcasing stunning Victorian, Georgian and Edwardian buildings. Traditional timber sash and case windows are a defining feature of this landscape and play a crucial role in its historic character. In designated conservation areas, preserving these original features is more than just an aesthetic choice — it is often a planning requirement.
At MWM Matt Window Mate, we specialise in the renovation, restoration and like-for-like replacement of traditional timber sash windows across Glasgow, helping homeowners maintain the beauty of their properties while staying fully compliant with conservation regulations.

Why Sash Windows Matter in Glasgow’s Conservation Areas
Conservation areas are designed to protect the historic character and appearance of buildings and streetscapes. Windows are one of the most visually prominent architectural features, and in Glasgow, most traditional homes were originally fitted with timber sash and case windows as standard.
To retain authenticity, any replacements must match the original in material, proportion, profiles, and opening mechanism — particularly on front-facing elevations.
Do You Need Planning Permission?
Recent guidance from Glasgow City Council outlines when planning permission is required for window replacements in conservation areas. 🔗 View the full guidance here
At MWM Matt Window Mate, we provide detailed technical drawings to support planning applications, helping homeowners secure faster and smoother approval.
You do NOT need planning permission if:
You are replacing a window on the rear or side elevation, unless the side faces a road.
You are restoring existing windows — for example, upgrading them with draught-proofing systems, installing new opening mechanisms, or repainting them — provided the original style and materials are retained.
Our Heritage Sash Window Services
We support homeowners across Glasgow’s historic districts with a full range of conservation-grade window services:
Award-winning renovation of original timber sash windows
Double-glazing upgrades suitable for conservation and listed buildings
Replacement of cords, sashes, pulleys and weights
Bespoke timber window replacements, precisely matched to originals
Installation of discreet draught-proofing systems for traditional frames
We work with care and respect for Glasgow’s architectural past, combining traditional joinery techniques with modern performance standards.
Heritage-Friendly Double Glazing
Improving energy efficiency is essential — even in protected buildings. Our conservation-appropriate double-glazed timber sash windows are tailored to each property, delivering the appearance of an original window with the thermal performance of a modern one.
All upgrades are fully compliant with Glasgow City Council’s planning guidance.
Funding Support Available for Sash Window Upgrades
Improving a heritage home can be a significant investment, but Scottish Government-backed funding may be available to support sash window upgrades.
You may be eligible for:
Home Energy Scotland Grant & Loan – grants available without loan requirement
Warmer Homes Scotland – support for insulation and glazing
Landlord Loans – for registered private landlords improving EPC ratings
Ready to Get Started?
Whether you are restoring a single sash window or upgrading every one in your home, MWM Matt Window Mate is here to help.
Free advice and no-obligation estimates
Heritage-compliant windows for conservation and listed buildings
Planning support with technical drawings included
Proudly based in Glasgow and passionate about local architecture
Get in touch via our Contact page to arrange a free consultation.























































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