Planning permission in Alderley Edge, Wilmslow & Knutsford

What this means, town by town

Alderley Edge — one conservation area, and a proposed Article 4

Designated in 1974 and revised in 1998, with a new Appraisal and Management Plan adopted in September 2022. Inside the boundary you already lose side extensions, loft conversions and the 6m/8m route. The proposed Article 4 would go much further — see above. If you are inside the conservation area and considering a kitchen extension or loft conversion, this is the moment to establish your position formally.

Wilmslow — four conservation areas, no Article 4

Hawthorn Lane (1980), Highfield & Bollin Hill (1988), St Bartholomew's (1988) and Styal (1975). None of them carries an Article 4 Direction, so inside the boundaries it is the standard conservation area position: no side extensions, no dormers or loft conversions, no larger home extension route, no cladding. Everything else remains permitted development, subject to the usual limits. Styal is the outlier — a National Trust mill village, and an unusually sensitive place to build.

Knutsford — four conservation areas, and the borough's oldest live Article 4

Knutsford itself (1989–2005), Cross Town (2006), Heathfield Square (2006) and Legh Road (1976, with an updated Appraisal and Management Plan in 2024). And then there is St John's, where an Article 4(2) Direction has been in force since 1995 — see above. Knutsford also has a high concentration of listed buildings, which is a separate consent regime again: listed building consent is required for internal work too, not just the exterior.

Prestbury — a conservation area, but no Article 4 (whatever you've read)

Prestbury has been a conservation area since 1972, revised in 2006, and its appraisal was adopted as a Supplementary Planning Document — which means its contents carry real weight in a planning decision, not just advisory weight.

It has no Article 4 Direction. What it does have is an unusually prescriptive materials specification. Where your project needs planning permission, the adopted SPD expects: windows and doors in painted timber; gutters in cast metal, not plastic; roofs "covered using reclaimed Kerridge stone slate or Welsh slate"; chimneys provided where appropriate, with clay pots; and matching materials throughout. In practice that means a Prestbury extension is specified — and priced — quite differently from the same extension a few miles away. It is worth knowing that before you budget, not after.

Handforth — no conservation area, and a cautionary tale

Handforth is one of the few towns in this part of Cheshire East with no conservation area at all, so the standard national permitted development rules apply. That is genuinely good news if you're extending.

But it is also where the council did something worth understanding. In October 2022, someone filed notice to demolish the old St Chad's vicarage on Sagars Road — an Edwardian building from 1913 that Historic England had declined to list, though it noted the building "contributes positively to the character of the area". Once that notice expired, the building could lawfully have been flattened. The council sealed an Article 4 Direction over the property two days before that happened, removing both the right to demolish it and the right to alter or extend it. The Direction was confirmed in April 2023 and is permanent.

It covers exactly one house — so it changes nothing for any other Handforth homeowner. The lesson it teaches, though, applies everywhere: a building does not have to be listed, and does not have to sit in a conservation area, for a council to remove its permitted development rights at short notice. If a property is old and locally valued, assume nothing.

Applying to Cheshire East Council

Cheshire East Council is the local planning authority for Alderley Edge, Wilmslow, Knutsford, Handforth, Prestbury, Macclesfield and Congleton. We prepare and submit householder planning applications and Lawful Development Certificates in-house, so you don't deal with the process yourself.

In Alderley Edge in particular, a Lawful Development Certificate is worth serious thought right now. It is the council formally confirming your project is lawful — and because the proposed Article 4 would not be retrospective, establishing your position while permitted development still applies is a materially different thing from establishing it afterwards. It is also the document a buyer's solicitor will ask for when you sell.

Planning an extension in Alderley Edge, Wilmslow or Knutsford?

We're a Cheshire design-and-build contractor. We handle the architectural design, the planning, the Building Regulations and the build — and we check all of this at the free site visit, before you commit to anything. See our extensions, kitchen extensions and loft conversions services, or our work in Alderley Edge, Wilmslow and Knutsford.

Don't forget the Party Wall Act either — it's separate from planning, and standard extension foundations often trigger it. And if you're over the border in Warrington, we've written up the conservation areas there too.