The council made Article 4 Directions for Chester Business Park, Gadbrook Park and Sealand. Comments close 5pm on 18 September; in force 10 August 2027.
Turning offices at Chester Business Park into flats without applying for planning permission is about to stop being an option. Cheshire West and Chester Council made Article 4 Directions on 30 July 2026 covering three of the borough’s biggest employment areas, and is taking comments on them until 5pm on Friday 18 September.
The directions are “non-immediate”, which means they do not bite yet. Subject to confirmation by the council, they come into force on 10 August 2027.
What is actually changing
Right now, a Class E building (commercial, business and service) can be converted to Class C3 use (dwellinghouses) through a permitted development route called Class MA. That needs a prior approval from the council, but it is a much narrower test than a full planning application, and the council cannot refuse it on most of the grounds it would normally use.
An Article 4 Direction withdraws that right in a defined area. Conversion becomes possible only through a full planning application, which the council can weigh against its Local Plan and refuse.
Three areas are covered, each with its own sealed direction, map and public notice on the council’s consultation page:
- Chester Business Park, Chester
- Chester West / Sealand Industrial Estate, Chester
- Gadbrook Park, Northwich
Why the council says it has to act now
The trigger is a change in national rules. Until 5 March 2024, a Class MA conversion was capped at 1,500 square metres and the building had to have been vacant for at least three months. The council’s supporting evidence report records that both conditions were removed that month. A whole occupied office block can now go down the permitted development route.
The report also sets out how much office space the borough has already lost. Since 2019, 64,000 square metres of office floorspace has gone, about 12% of the total stock. The heaviest losses were in Chester town centre, Handbridge, Chester Gates Business Park and Chester Business Park.
More is queued up. As at November 2025, the report counted:
- Chester Business Park: three pending applications for the loss of office space totalling 17,284 sqm, including one of 12,701 sqm on its own
- Gadbrook Park: two permissions totalling 7,754 sqm, one of which would have needed a full planning application before the 2024 rule change
- Chester West / Sealand Industrial Estate: one pending prior approval for the first and second floors of Beech House, 557 sqm
How many jobs are at stake
This is where the evidence gets awkward, and the council says so itself. Two different methods produce very different numbers for Chester Business Park.
The Inter-Departmental Business Register puts Chester Business Park at 2,558 people. A second method, working from office floorspace and an employment density assumption, puts it at 8,362. The council’s consultants say the register figure “is considered to significantly underestimate the employment supported by the Park”.
Both figures come with health warnings the report states plainly. The register data is from 2023 and will not reflect the last two years. The floorspace method assumes 100% occupancy, so it reads as an upper bound rather than a headcount.
On office floorspace, Valuation Office Agency data for 2023 gives Chester Business Park about 80,000 sqm, Gadbrook Park 34,000 sqm and Chester West / Sealand Industrial Estate 12,000 sqm.
What it means for you
If you own or lease commercial property in one of the three areas, the date that matters is 10 August 2027. Until then the Class MA route stays open. After it, subject to confirmation, a residential conversion needs a full planning application. If you were counting on that right, the consultation is your opportunity to say so.
If you work on one of the parks, the council’s case is that this protects the space your employer occupies from being converted around it. That is the stated purpose: keeping office stock in office use in a borough that has lost 12% of it since 2019.
If you live nearby, the practical effect is that any future housing on these sites has to come through the normal planning system, with consultation, rather than through a prior approval with a narrow set of grounds.
How to comment
Representations must be received by 5pm on Friday 18 September 2026. There are three ways to do it:
- Online through the council’s consultation portal, using the comment button for each area. You need to register or log in.
- By email to planningpolicy@cheshirewestandchester.gov.uk
- By post to the Planning Policy team, Cheshire West and Chester Council, The Portal, Wellington Road, Ellesmere Port, CH65 0BA
Paper copies of each direction and its map can be seen at The Portal in Ellesmere Port, 8.30am to 5pm Monday to Friday, and at Chester library in Storyhouse on Hunter Street, 8.30am to 7pm Monday to Saturday and 9.30am to 6pm on Sunday.
The directions follow a Cabinet Member decision on 15 July 2026. Chester Business Park is already the subject of live planning arguments about what the park is for: a private healthcare and wellness centre was approved there on 13 August, and the park’s management company objected partly on the grounds that the use did not fit the park’s primary function.
Sources
- Employment Article 4 Directions, Making Consultation 2026, Cheshire West and Chester Council: sealed directions, maps, public notices and comment forms for all three areas
- Public notice, Chester Business Park Article 4 Direction (made 30 July 2026, representations to 5pm 18 September 2026, in force 10 August 2027)
- Article 4 Direction Supporting Evidence Report 2026 (Class MA rule change, floorspace loss since 2019, employment estimates, pipeline losses)
- Development briefs and Article 4 Directions, Cheshire West planning policy
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