Double Glazing Edinburgh: Listed Buildings, Costs & Grants 2026

Double glazing in Edinburgh costs between £4,500 and £7,000 installed for a typical 3-bed house with uPVC casement windows. Edinburgh’s market, however, is defined by its traditional sash and case windows – the dominant window type across the New Town, Old Town, and most Victorian suburbs – which cost £1,500–£2,500 each for specialist timber replacement.

Two factors make Edinburgh unlike any other UK city for window replacement. First, the city has 50 conservation areas including a UNESCO World Heritage Site (the Old Town and New Town) – giving it some of the strictest planning controls in Britain. Second, Scotland’s planning rules changed in May 2024: rear window replacements in conservation areas no longer need planning permission, while front windows go through a new “Prior Approval” process rather than full planning permission.

Scottish homeowners cannot access the English Warm Homes: Local Grant. Instead, the Home Energy Scotland loan covers up to £8,000 (as a 75% loan) for upgrading single-glazed windows to double glazing – a significant help for Edinburgh properties that have never been modernised. This guide covers Edinburgh costs by window type, the Scottish grant landscape (see also our Glasgow double glazing guide for west coast pricing), what Edinburgh’s conservation areas actually mean for your window project, and where to find the city’s best-rated installers.

Double Glazing Costs in Edinburgh

Double glazing a 3-bed Edinburgh home costs £4,500–£7,000 for standard uPVC. Traditional timber sash and case windows – the Edinburgh standard – cost £1,500–£2,500 per window installed. For a New Town townhouse with 10–14 sash windows, a full timber replacement costs £15,000–£35,000. For national pricing context, see our double glazing costs guide or use our cost estimator tool.

Edinburgh’s pricing is shaped by the sash and case market. The city’s Georgian and Victorian housing stock – which covers most of the New Town, Stockbridge, Marchmont, Bruntsfield, Morningside, and Newington – was built with tall, elegant sash and case windows that are both architecturally significant and expensive to replace properly. A mass-market uPVC installer is not the right choice for this work: Edinburgh’s conservation officers expect like-for-like proportions, astragal bar patterns, and reveal depths.

Prices include supply, fitting, disposal of old windows, and FENSA certification. All installations benefit from 0% VAT on energy-saving materials until March 2027 – saving around £1,000 on a £5,000 uPVC job, and proportionally more on higher-cost sash and case work. A large New Town townhouse with 12–14 sash windows can run to £30,000–£40,000 for a full heritage timber replacement – this is specialist craftwork, not commodity glazing.

Sash and Case Windows: The Edinburgh Standard

Scotland’s traditional window is the sash and case, not the English-style sash and bay. In a sash and case window, the lower sash slides upward within an outer timber case that runs from floor to lintel – a deeper construction than English sash windows, with a distinctive reveal depth.

Edinburgh’s pre-1950 housing stock is almost entirely sash and case, from the Georgian New Town to the Edwardian tenements of Marchmont and Bruntsfield. Any installer quoting on Edinburgh conservation area work must understand this distinction – the geometry, the astragal bar patterns, and the case dimensions are all character-defining elements.

Double Glazing Grants in Edinburgh

The English Warm Homes: Local Grant does not apply in Edinburgh. Scottish homeowners can access the Home Energy Scotland loan (up to £8,000, 75% loan for single-to-double glazing upgrades only) and Warmer Homes Scotland (up to £15,000 for eligible low-income households). All homeowners save ~£1,000 from 0% VAT. Apply via Home Energy Scotland: homeenergyscotland.org or 0808 808 2282 (free). For all UK schemes, see our double glazing grants guide.

Home Energy Scotland Loan

The Home Energy Scotland loan for double glazing covers up to £8,000 as a 75% interest-free loan – you contribute 25% of the eligible cost. The critical restriction: it only applies to upgrading single-glazed windows to double glazing. It does not cover replacing existing double glazing with newer units.

If your Edinburgh property still has original single-glazed sash and case windows – common in older New Town and Old Town properties that have never been updated – this loan significantly reduces the upgrade cost. Apply through Home Energy Scotland at homeenergyscotland.org or by calling 0808 808 2282 (free) before booking any surveys.

Apply through Home Energy Scotland at homeenergyscotland.org or by calling 0808 808 2282 (free). A Home Energy Scotland adviser will assess your home, confirm eligibility, and advise on the right approach before you commit to any installer. This step is worth doing first – the adviser can also flag whether you qualify for Warmer Homes Scotland as well.

Warmer Homes Scotland

For Edinburgh homeowners on qualifying benefits – including Universal Credit, Pension Credit, and Child Tax Credit – Warmer Homes Scotland provides fully-funded energy efficiency measures with no household contribution. Double glazing is included where assessed as the appropriate measure for your property. The scheme covers up to £15,000.

In conservation areas, planning requirements still apply even for grant-funded work – your installer and the scheme administrator can advise on compatible approaches before any work begins.

• The English Warm Homes — Local Grant does not apply in Edinburgh
• If your Edinburgh home has single-glazed windows — the Home Energy Scotland loan covers 75% of the upgrade cost up to £8,000
• For eligible low-income households — Warmer Homes Scotland may fund the full cost
• Call 0808 808 — 2282 before booking surveys

Conservation Areas in Edinburgh

Edinburgh has 50 conservation areas, anchored by the Old Town and New Town UNESCO World Heritage Site. Since May 2024, rear window replacements in conservation areas no longer need planning permission. Front and principal elevation windows require “Prior Approval” – a simplified process (£200 fee) rather than full planning permission. Listed buildings and UNESCO World Heritage Site properties are not affected by the 2024 changes and still require full planning permission.

Edinburgh’s conservation framework is the most complex of any Scottish city. The sheer number of conservation areas – 50, covering large swathes of the city – combined with the UNESCO World Heritage Site designation means a significant proportion of Edinburgh homeowners face planning constraints that don’t exist elsewhere in Scotland.

The May 2024 planning changes are worth understanding. Scotland extended Permitted Development rights in conservation areas: replacing rear windows (on non-principal elevations not facing a road) no longer requires any planning permission. For many Edinburgh homeowners in Marchmont, Bruntsfield, or Stockbridge, rear window replacements are now straightforward.

Front windows and principal elevations still require Prior Approval: submit to [email protected] with a location plan, window description, and £200 fee. Seven criteria are assessed – opening method, pane count, astragal dimensions, frame colour, and more. The 2024 changes do not apply to listed buildings or UNESCO World Heritage Site properties, which still require full planning permission.

Edinburgh’s key conservation areas and their window implications:

• Old Town and New Town (UNESCO WHS) – The historic core, from the Royal Mile and Grassmarket to Charlotte Square and Princes Street. Full planning permission required for any external changes. Sash and case window character is paramount – slimline heritage double-glazed units or secondary glazing are the typical approved approaches. Standard double-glazed uPVC units are rarely acceptable on street-facing elevations. Several hundred listed buildings sit within the area.
• Stockbridge – Georgian and early Victorian. Sash and case windows throughout. Prior Approval for front elevation changes. Edinburgh Sash and Case’s Sighthill base serves this area extensively.
• Marchmont and Bruntsfield – Victorian tenements south of the Meadows. Rear windows now straightforward. Front elevation Prior Approval needed. Most sash replacements are acceptable with correct proportions and astragal pattern.
• Morningside – Victorian and Edwardian detached homes. Conservation area, but more flexibility than the inner city. Standard Prior Approval process applies to front windows.
• Leith – Partially within conservation area. Traditional stone tenements in the designated area; newer housing outside it. Prior Approval for front elevations within the conservation area boundary.

For any New Town or listed building property, obtain pre-application advice from Edinburgh City Council Development Management at [email protected] before ordering any windows. The Prior Approval system is faster and cheaper than full planning permission, but getting it wrong still results in enforcement action. Secondary glazing – fitting an independent internal window behind the original – is worth considering for listed buildings where double-glazed units would harm character.

Best Double Glazing Companies in Edinburgh

The top-rated double glazing companies in Edinburgh include Edinburgh Sash and Case (4.8 stars, 280 reviews), Bryant and Cairns (4.9 stars, 137 reviews), and Gecko Glazing (5.0 stars, 87 reviews). For New Town, Old Town, or any sash and case conservation area work, Edinburgh Sash and Case is the city’s leading specialist. Always confirm FENSA or CERTASS registration at fensa.org.uk before signing.

We identified Edinburgh’s top-rated double glazing companies using verified Google Maps reviews. Edinburgh has a notably strong market for sash and case specialists – a reflection of the city’s housing stock and conservation area demands. For standard uPVC work in suburban Edinburgh (Corstorphine, Murrayfield, Portobello, Liberton), most good-quality installers are fine. For sash and case conservation area work, Edinburgh Sash and Case is the clear specialist choice.

Edinburgh Sash and Case in Sighthill is the city’s leading sash and case specialist – 280 reviews at 4.8 stars, with no other Edinburgh window company matching its heritage expertise. For any New Town, Old Town, or conservation area project requiring like-for-like sash and case replacement, this should be the first call.

Bryant and Cairns holds Edinburgh’s highest rating (4.9) and covers the full city from its Pentland base. Gecko Glazing has a perfect 5.0 with 87 reviews – strong credentials across all window types including standard uPVC.

Get at least three quotes for any Edinburgh window project. Confirm FENSA or CERTASS registration at fensa.org.uk/find-an-installer before signing any contract. For a national comparison of window companies and brands, see our best double glazing companies guide.

Laura Bennet

Home Energy & Sustainability Editor

Laura leads coverage on home energy, heating, and sustainable living. With over 12 years in the UK energy sector, she writes about boilers, solar panels, insulation, and eco-friendly upgrades that reduce household costs.

Reviewed by

Tom Reynolds

Business Energy Specialist