Ealing W4 · Conservation Area
Bedford Park Windows.
Why Bedford Park is different
Bedford Park, laid out from 1875 by Jonathan Carr with architects Norman Shaw, E. W. Godwin and Maurice Adams, is widely cited as the world's first garden suburb. The Queen Anne and Tudor Revival houses share a coherent vocabulary: red brick, white-painted joinery, tile-hung gables, and small-paned timber sashes and casements. That coherence is exactly what the conservation area Appraisal protects — and what the Article 4 Direction enforces by removing your Permitted Development right to swap windows freely.
In practical terms: any change of material, frame profile, or glazing pattern on a front or street-side elevation requires planning permission from Ealing Council. Like-for-like timber-to-timber may still need consent depending on the precise scope of the Article 4. Always confirm with the Council Planning team before placing an order.
What's allowed, what isn't
A clean breakdown of what tends to be approved versus refused in W4. Conservation officers retain discretion case by case — this is a guide, not a guarantee.
| Specification | Front / street-visible | Rear elevation |
|---|---|---|
| Timber sash, white-painted, run-through horns | Normally approved | Normally approved |
| Timber casement, small-pane, white-painted | Normally approved | Normally approved |
| Heritage uPVC sash with run-through horns | Often refused | Sometimes approved |
| Heritage uPVC casement, woodgrain finish | Normally refused | Sometimes approved |
| Slim aluminium (Smart Aluspace etc.) | Normally refused | Approved on rear extensions |
| Modern thick aluminium frames | Refused | Refused if visible |
| Replacement frames thicker than original | Refused | Refused |
| Slim double-glazed units in heritage frame | Approved (subject to officer review) | Approved |
Recommended systems
Specifications that tend to survive Ealing's heritage review. Final approval depends on your individual property, the specific Article 4 conditions on your road, and the case officer assigned.
| System | Best for | Approval pattern |
|---|---|---|
| Heritage timber sash (Accoya / hardwood) | Front elevations, listed properties | Reliable approval |
| Timber casement, small-pane | Front elevations, side bays | Reliable approval |
| uPVC Heritage with run-through horns | Rear elevations only | Case-by-case, often refused on front |
| Smart Aluspace (steel-look aluminium) | Rear extensions, garden rooms | Approved as contemporary insert |
| Slim vacuum-glazed units (6.5mm) | Listed buildings keeping original frames | Approved as a sympathetic upgrade |
Bedford Park window prices
Fitted prices for window replacement in Bedford Park, W4, Q2 2026. All include VAT, frame, slim or standard double-glazed units, fitting, removal of old window, internal and external silicone, and FENSA self-certification (Reg 40373). Listed buildings carry a 10–25% premium for joinery accuracy.
| Specification | Application | Low | High |
|---|---|---|---|
| Heritage timber sash (Accoya, slim DGU) | Front bay, ground floor | £2,400 | £3,500 |
| Heritage timber sash, standard size | Upper floors | £1,800 | £2,800 |
| Timber casement, small-pane | Side, rear | £1,400 | £2,400 |
| uPVC Heritage sash (rear only) | Rear elevation | £950 | £1,650 |
| Smart Aluspace heritage steel-look | Rear extension | £1,200 | £2,200 |
| Vacuum-glazed retrofit (existing frame) | Listed properties | £700 | £1,400 |
Frequently asked
Do I need planning permission for windows in Bedford Park?
Bedford Park sits within an Ealing Council conservation area with an Article 4 Direction in force. The Article 4 removes Permitted Development rights for window replacements on the front and side elevations of dwelling houses, which means a planning application is normally required for any change in material, design, or appearance — even like-for-like timber-to-timber. Always confirm the current scope of your specific Article 4 with Ealing Council Planning before ordering windows.
Can I have uPVC windows in Bedford Park?
uPVC visible from the public highway is generally refused in Bedford Park because the original 1875–1900 Norman Shaw houses had timber sash and casement windows painted white, and the conservation area Appraisal protects that character. Heritage uPVC with run-through sash horns is sometimes approved on rear elevations not visible from the street, but it is not a guaranteed approval. Submit a pre-application enquiry to Ealing Council before committing.
What's allowed on rear extensions in Bedford Park?
Rear extensions and rear elevations not visible from the street tend to attract a more flexible response from Ealing planners. Heritage uPVC sash, slim aluminium casements, and steel-look systems such as Smart Aluspace have been approved on rear elevations in W4. Front and street-side elevations almost always require timber, painted white, in the original sash or casement pattern with the original glazing-bar layout.
How much do heritage sash windows cost in Bedford Park?
Heritage timber sash window replacement in Bedford Park costs £1,800–£3,500 per window fitted in 2026, depending on size, hardwood species (typically Accoya or engineered hardwood for longevity), slim double-glazed units (typically 14mm overall with 4-6-4 or 4-8-4 builds), run-through horns, and reinstating original glazing bars. Listed buildings or unusually large bay windows can exceed this range.
What did original Bedford Park windows look like?
Bedford Park is widely cited as the world's first garden suburb, laid out from 1875 onwards with houses by Norman Shaw, E. W. Godwin, and others in the Queen Anne / Tudor Revival style. Original windows are predominantly timber-framed: small-paned multi-light casements, vertical sliding sashes with run-through horns, and oriels — all painted white, with a characteristic small-pane glazing pattern.
Can I get double glazing in Bedford Park?
Yes, slim double-glazed units (typically 4-8-4mm or 4-12-4mm) are routinely accepted by Ealing planners in heritage timber frames where the glazing bars and proportions match the original. Sealed units between 11mm and 16mm overall fit within traditional sash boxes without altering the visible profile. Vacuum-glazed slim units (around 6.5mm overall) are an option for the tightest historical reveals.
Are the original windows in Bedford Park listed?
Bedford Park as a whole is a designated conservation area protected by an Article 4 Direction; it is not a single listed building. However, several individual properties — including some Norman Shaw houses — are individually listed Grade II. If your property is listed, Listed Building Consent is required in addition to planning permission for any window change. Check Historic England's National Heritage List for England against your address.
Who handles the Ealing Council planning application?
Apex Glazing surveys the property, prepares like-for-like elevation drawings, and supplies the technical specification needed for an Ealing Council householder planning application. The application itself is normally submitted by the homeowner or their agent through the Planning Portal. We do not act as planning agents but we coordinate closely with most local heritage architects in W4.
