Land South And West Of Upper Imberhorne School Imberhorne Lane East Grinstead West Sussex Data via plota.co.uk

DM/26/0131 - Reserved Matters Application Approved

Proposal

Approval of Reserved Matters following Outline Planning Permission (Ref. ) relating to appearance, landscaping, layout and scale for 550 no. new residential units. (Drainage addendum received 02/04/2026). (Amended plans and information received 20th to 27th May showing revisions to the proposed design, landscaping, highways, housing and sustainability measures) (Surface water calculations received 24/06/2026). (Amended plans received 27th July showing design changes to some units and lighting to the pedestrian link to the northeast onto Imberhorne Lane). Data via plota.co.uk

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View original council record ↗Last checked 28 Oct 2026, 15:02

Application progress

✓

Received

20 Jan 2026

✓

Approved

28 Oct 2026

Approved on 28 Oct 2026 · District Committee · Last checked 28 Oct 2026

Planning committee

Decided by Mid Sussex District Planning Committee on 17 Sept 2026.

Approved unanimously

As officers recommended.

Officers advised approval because the layout, design, landscaping and public benefits were considered acceptable despite heritage harm.
Residents raised concerns about flooding, drainage, traffic, infrastructure, parking, ecology, heritage and the effect on local amenities.
The committee unanimously approved the recommendation, with nine members voting in favour, subject to conditions and amendments.

Read how the committee decided The proposed homes, site context, officers’ assessment, objections, consultation responses and committee decision. Includes the meeting recording

Source: Plota analysis of Mid Sussex's committee minutes of 17 Sept 2026.

Documents

View the documents on the council's website ↗

Associated applications 13

Part of

Outline6 Oct 2023council archive

Conditions 8, 10, 12, 13, 14 discharged · 1, 25, 28, 29, 30, 31, 32, 34, 35, 36, 37, 40, 44 awaiting decision
- Reserved mattersApproval of relating to appearance, landscaping, layout and scale for 550 no. new residential…This application20 Jan 2026DM/26/0131
- Show 11 more · 2 approved, 9 pending
  - ConditionsDischarge of condition no 25.10 Sep 2026DM/26/2232
  - ConditionsDischarge of planning conditions 25, 35, 36 and 44.9 Sep 2026DM/26/2215
  - ConditionsDischarge of condition nos 36 and 44.3 Aug 2026DM/26/1909
  - ConditionsDischarge of planning conditions 8, 10, 12, 13 and 14.30 Jul 2026DM/26/1898
  - ConditionsDischarge of conditions 30, 32 and 34.15 Jul 2026DM/26/1738
  - ConditionsDischarge of planning conditions no 1 BNG7 Jul 2026DM/26/1179
  - ConditionsDischarge of planning conditions 35 and 371 Jul 2026DM/26/1628
  - ConditionsDischarge of conditions 29 and 31.18 May 2026DM/26/1234
  - ConditionsDischarge of planning conditions nos 28 and 407 May 2026DM/26/1154
  - ConditionsDischarge of Planning Condition No: 33 (Part 1)24 Feb 2026DM/26/0488
  - AmendmentNon Material Amendment - to formally regularise the corrections on the decision notice15 Jan 2026DM/26/0103

Site constraints 1

Priority habitat: Deciduous woodland

A habitat of principal importance. It shapes the ecology work and the biodiversity net gain a scheme has to show.

Not affected

Outside flood zones 2 and 3 · Not green belt · No scheduled monument at the site

Checked on 17 October 2026. Historic England, the Environment Agency, Natural England and council datasets, Open Government Licence. A boundary can run through a site and the council holds the definitive record: confirm with the council before relying on this.

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Important details

Council: Mid Sussex
Application type: Reserved Matters Application
Received: 20 Jan 2026
Validated: 20 Jan 2026
Ward: East Grinstead - Imberhorne
Parish: East Grinstead
Case officer: Show
Target decision: 21 Apr 2026
Decision: Permission
Decision date: 28 Oct 2026
Decision level: District Committee
Applicant: Show
Agent: Show

How this decision compares

Decided in 281 days from validation, 225 days slower than Mid Sussex's median of 56 for new homes. Approved, as 65% of new homes here are.

This one281d

Council56d

UK59d

55%decided within 8 weeks

65%approved

48decided in the last year

Plota live figures for new homes decided by Mid Sussex in the last twelve months, from validation. Mid Sussex decision record →

Public comments

14comments received

12 objecting2 neutral

86% object · above the UK average of 74%

152 neighbours consulted · Last counted 28 Oct 2026

Read the comments on the council site ↗

Consultation & key dates

Alt. reference: PP-14552916
Planning Portal ref: PP-14552916
Comments by: 20 Feb 2026
Committee: 17 Sept 2026
Statutory expiry: 21 Apr 2026
Env. assessment: No

Mid Sussex

Planning Authority Score

4.8/10

Below average

#161 of 296 councils

Relevant to this application:

Major dwellings

Mid Sussex ranks #150 out of 296 councils for householder decision speed. Householder applications are slightly more likely to be approved here (93%) than the national average (90%).

These figures are council-wide context, not a prediction for this application. View full council performance

Mid Sussex decision statistics

Based on MHCLG data, the year to March 2026

92%

Overall approval rate

Above avg (87%) #87 of 296

93%

Householder approved

Above avg (90%) #132 of 296

64%

Decided in 8 weeks

Above avg (63%) #150 of 296

44%

Extended time limit

Above avg (41%) #179 of 296

80%

Minor dwellings approved

83 decided (1-9 homes)

89%

Major dwellings approved

27 decided (10+ homes)

82%

Change of use approved

33 decided

1,115

Total decisions

93 refused in the year to March 2026