Mid Sussex planning applications: Here’s the latest list of submissions across the district

For more information about the planning applications below visit the Mid Sussex District Council, Lewes District Council or South Downs National Park Authority websites – or take a look at last week’s planning applications from across the Mid Sussex district on the Sussex World website at www.sussexworld.co.uk. You can keep up to date with all the latest information on planning proposals, traffic notices, goods vehicle operator licences, premises licensing, licences to sell alcohol and probate notices in your area at publicnoticeportal.uk.

Albourne

DM/26/2107: Truslers, Truslers Hill Lane, Albourne. Proposed attached car port with accommodation over.

Ardingly

DM/26/2124: 23 High Street, Ardingly. T1 Sliver Birch - crown reduce by 1 to 1.5 metres.

Balcombe

DM/26/1702: 9 Newlands, Balcombe. Proposed front porch, rear extension and loft conversion with rear dormer. (Amended description and Amended plans received 28/08/2026).

DM/26/1834: 11 Barnfield, Balcombe. Retrospective conversion of the existing garage to ancillary residential accommodation comprising a snug and utility room, together with the widening of the existing driveway using reinforced permeable gravel surfacing. (Additional Plans received 03.09.2026).

DM/26/2151: Birch House, London Road, Balcombe. Proposed loft conversion with rear dormer, three front-facing skylights and internal alterations.

Burgess Hill

DM/26/1532: 7 Nye Road, Burgess Hill. Proposed single storey rear extension. Amended Plans received 04.09.2026 to show insertion of two high level windows in south east side facing wall of house.

DM/26/1955: 4 Oak Hall Park, Burgess Hill. Single storey rear extension. New porch to front replacing existing. (Amended plans received 28.08.2026 showing revised design).

DM/26/2157: 12 Titchfield Close, Burgess Hill. 2 x Oak Trees : Reduce by 2 metres back to previous pollard points.

DM/26/2165: 58 Bonnet Lane, Burgess Hill. Proposed loft conversion.

Chailey

LW/26/0396: Sunnycroft, Mill Lane, Chailey. Conversion of the existing detached garage to provide ancillary accommodation, including addition of rear extension, new roof and alterations to fenestration.

LW/26/0440: Grassington Farm, Warren Lane, North Chailey. Retention and use as ancillary garage/storage of an existing section of the agricultural building previously approved for demolition, in association with Unit 8.

Cuckfield

DM/26/1915: 1 Ashburnham Drive, Cuckfield. Proposed replacement of existing conservatory roof, windows and doors.

Ditchling

SDNP/26/03125/FUL: Lime Tree House, 1 Hideaway Place, Ditchling. Two storey side extension with pitched roof, continuous eaves and raised ridge heights.

SDNP/26/03365/HOUS: 30 Shirleys, Ditchling. Removal of existing rear conservatory. Proposed two storey extension to rear and proposed single storey extension to rear.

East Grinstead

DM/26/2103: Land To The West Of Streatfield Place, East Grinstead. Construction of a four bedroomed detached dwelling.

DM/26/2128: 4 Cantelupe Mews, Cantelupe Road, East Grinstead. Change of use from Class E to create 2 residential units.

Hassocks

DM/26/2134: The Meadows, 4 The Crescent, Hassocks. T1 - Holm Oak : Raise crown to approx 4m. T2 - Lime : Reduce crown by 2m. T3 - Norway Maple : Reduce crown by 1m.

DM/26/2137: 15 Stonepound Road, Hassocks. Proposed single storey extension to the rear, conversion of roof space with velux roof-lights.

Haywards Heath

DM/26/0682: Land At Hurst Farm, Hurstwood Lane, Haywards Heath. Reserved Matters Application Pursuant to Outline Planning Permission Mid Sussex District Council (MSDC) Reference: DM/25/1630, Lewes District Council (LDC) Reference: LW/2510707 at Hurst Farm, for appearance, layout, scale and landscaping only. (additional ecology information received 28/05/2026). (Amended plans received 12/08/2026 showing various design and layout changes).

DM/26/1838: Sams Fish Bar, 36 Sussex Road, Haywards Heath. Proposed store in rear garden of Sams Fish Bar. (Amended address and documents received 04.09/2026).

DM/26/2012: 21 Harlands Close, Haywards Heath. Erection of a two-storey rear extension, roof alterations including dormer windows and rooflights, insertion of new windows, removal of the existing chimneys, external rendering of the dwelling, and associated internal alterations. (amended description 07.09.2026).

DM/26/2150: 9 Gatesmead, Haywards Heath. Proposed single storey rear extension. Changes to fenestration at the rear.

Horsted Keynes

DM/26/2120: Hamsland Dairy, Lewes Road, Horsted Keynes. Variation of condition no 2 relating to planning application DM/23/0493 - to allow for design changes.

DM/26/2167: Appledore, Wyatts Lane, Horsted Keynes. T1 Acer rubrum in rear garden, - Thin crown by no more than 15% by removing duplicate and conflicting branches. Reduce height and lateral spread by a maximum of 2.5m, then maintain tree at smaller dimensions with cyclical crown reductions as informed by tree response and regrowth. T3 Common Hazel located within front garden: Maintain clearance with overhead services, coppice before becoming overstood, then maintain with cyclical coppicing every 8-10 years dependent on regrowth and before becoming overstood.

Hurstpierpoint And Sayers Common

DM/25/1406: Willowbrook, Danworth Lane, Hurstpierpoint. Proposed conversion and extension of hay barn to create 1 no. one bedroom dwelling with two proposed parking spaces and removal of existing mobile home (Corrected plans and updated information received 20 August 2026).

DM/26/2133: 7 Hassocks Road, Hurstpierpoint. T1 - Evergreen magnolia : Reduce crown by approx 2m. T2 - Tortured willow : Fell. T3 Magnolia : Reduce crown by approx 1.5m.

DM/26/2146: 53 The Grange, Hurstpierpoint. Proposed replacement of all existing windows and front entrance door. New windows to be grey anthracite PVC triple-glazed units and the front door a composite door in anthracite grey.

Lindfield

DM/26/1591 & DM/26/1592: St Anns House, Black Hill, Lindfield. Alterations to vehicular entrance to include relocation of pedestrian gate together with rendered wall and piers, plus replacement boundary fence. Amended plans received 01.09.2026 to show rendered wall replaced with fencing.

DM/26/2104: 2 Beckworth Lane, Lindfield. Single storey rear extension.

Lindfield Rural

DM/26/2135: 6 Lark Rise Close, Lindfield. T1 and T2 Oak trees - reduce and shape crowns by up to 2 - 2.5 metres (height and lateral branches). Remove epicormic growth on stems up to 3 metres.

Plumpton

SDNP/26/03376/FUL: Plumpton College, Ditchling Road, Plumpton. Retention of 3nr single storey Portakabin classroom buildings for a period of 5 years.

West Hoathly

DM/26/2031: Hams Rough, Hammingden Lane, Ardingly. Erect 4.8m wide x 12.8m length x 2.5m height polytunnel to propagate cuttings and seeds.