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.

Ansty And Staplefield

DM/25/2071: Land To Rear Off Chideok, Valebridge Road, Burgess Hill. Construction of 2 no houses with detached garages and retrospective permission for the creation of a new access from Valebridge Road (Flood Risk Assessment received 12.01.2026) (Tree information received 18.02.2026) (Revised description agreed 19.02.2026).

DM/26/0273: St Marks Primary School, Brantridge Lane, Staplefield. Retrospective application for installation of a new timber flat roof structure at a higher level to the existing lead-lined valley.

DM/26/0365: Little Haslings, Orchard Way, Warninglid. Installation of free standing 3.3 x 5.3m glass and aluminium veranda garden room located on patio out side kitchen patio doors.

Ardingly

DM/26/0406: 1, 2, 4, 5, 6, 7, 8 And 9 Hett Close, Ardingly. Replacement of existing front and rear double glazed timber framed casement windows with new front and rear double- glazed uPVC framed casement windows with glazing bars to match existing styles. Replacement of existing side double- glazed timber framed casement windows with new double glazed uPVC framed casement windows. Replacement of existing double-glazed timber framed rear doors with new double-glazed uPVC framed rear doors with solid panel to lower section and glazing bars to match existing style to upper section.

Bolney

DM/25/2449: Nyes Hill House, Wineham Lane, Bolney. Variation of condition No: 1 of planning permission DM/22/1039 to amend plans approved and to allow for minor amendments to the locations of windows and rooflights, with slight adjustments to their sizes. Modest alterations to the design and positioning of bifold doors, along with corrections to the roof plan to ensure consistency with the elevation, specifically where the proposed porch roof was previously misaligned. Also to include raised platform.

Burgess Hill

DM/25/3241: Birchwood, Birchwood Grove Road, Burgess Hill. Proposed demolition of existing garage and erection of a ground floor single storey extension.

DM/26/0279: Hillview, 8A Slimbridge Road, Burgess Hill. Removal of garage, outbuilding and conservatory and erection of part two storey, part single storey side and rear extension.

DM/26/0328: Land North Of 1 Burdocks Drive, Burgess Hill. Proposed installation of a 17.5m monopole supporting 6 no. antennas, 2 no. 300mm transmission dishes, 3 no. equipment cabinets and ancillary development there to including 3 no. Remote Radio Heads (RRHs).

DM/26/0355: 15 Huntingdon Way, Burgess Hill. Rear, side double storey extension, self contained annexe.

DM/26/0391: 8 Folders Gardens, Burgess Hill. T1 - Oak - Reduce and reshape by 2-3 metres, shape balance accordingly. Remove major deadwood. Crown lift to 3.5 metres. Secondary and tertiary growth only, to maintain the tree at a suitable size and improve the sunlight to the rear garden.

DM/26/0401: 6 Hammonds Gardens, Burgess Hill. T1 Ash - re-pollard to previous points. T2 Oak - reduce back 2-3 metres from both house sides of tree.

DM/26/0404: 15 Langridge Way, Burgess Hill. Proposed garage conversion and porch extension.

DM/26/0407: 39 Holmesdale Road, Burgess Hill. Proposed loft conversion with dormer to the south elevation.

Chailey

LW/26/0003: Chailey Heritage School, Haywards Heath Road, North Chailey. Change of use from Use Class E (Offices) to Use Class C2 (Residential Care Facility) and minor external alterations including new PV panel array and extended hard landscaping.

LW/26/0026: Warren Stream, Hazeldene Lane, North Chailey. Removal of existing single storey side extension and conservatory, erection of 1 no. side and 1 no. side/rear extension, roof replacement, conversion of loft into habitable space, alterations to fenestration and landscaping.

Cuckfield

DM/26/0440: Ockenden Manor Hotel, Ockenden Lane, Cuckfield. T1 - Western Red Cedar - Fell. G2 - Western Red Cedar x 5 - Fell. T3 - Ash - Fell. T4 - Acacia - Fell. T5 - Cherry - Fell.

East Chiltington

SDNP/26/00255/HOUS: Shepherds Cottage, Ditchling Road, East Chiltington. Replacement rear extension, demolition of garage and replace with annexe.

East Grinstead

DM/25/2833: Hampton House, High Street, East Grinstead. Change of use of building from Class E to residential to form 4no flats, consisting of internal changes to the floor plan. (Revised plans received 27.11.2025) (Revised description agreed 01.12.2025) (Revised plans received 23.01.2026 and 18.02.2026. Further and updated information received 30.01.2026 and 18.02.2026).

DM/25/2849: Hampton House, High Street, East Grinstead. Change of use of building from Class E to residential to form 4no flats, consisting of internal changes to the floor plan. (Revised plans received 27.11.2025) (Revised description agreed 01.12.2025) (Revised plans received 23.01.2026 and 18.02.2026. Further and updated information received 30.01.2026 and 18.02.2026).

DM/26/0425: 31 Blackwell Road, East Grinstead. New pitched roof to existing bungalow with 600mm increase in ridge height and first floor dormers to front and rear elevation.

DM/26/0430: 5 High Trees, Ship Street, East Grinstead. T1 Oak - Removal of large lateral branch which has a significant cavity at the former pruning point.

Hassocks

DM/25/1800: Woodside Grange, Woodsland Road, Hassocks. Reserved matters application pursuant to Outline application DM/23/2687 for the approval of Appearance, and Landscaping for two detached dwellings. Amended Elevations, Floor Plans, Site Layout Plans and supporting information received on 05.12.2025, 10.12.2025 and 12.12.2025. Submission of Precautionary Working Method Statement (PWMS) for Great Crested Newts, received on 17.02.2026.

DM/26/0358: 9 Mackie Avenue, Hassocks. Loft conversion including the addition of a flat-roofed rear dormer, two smaller hipped side dormers and the addition of one roof window.

DM/26/0359: 9 Mackie Avenue, Hassocks. Proposed single storey rear extension.

DM/26/0390: 14 Stonepound Road, Hassocks. Proposed removal of existing garage and erection of a two storey side extension, set back from the main front elevation. Small pitched roof overhang to the front elevation.

DM/26/0421: Hassocks Football Club, The Beacon, Brighton Road, Hassocks. Single storey pitched roof extension to the west elevation to enlarge the kitchen area.

DM/26/0426: 17 Chancellors Park, Hassocks. Proposed single storey rear extension.

Haywards Heath

DM/26/0048: 19 Quarry Hill, Haywards Heath. Proposed ground floor single storey rear extension and adjoining raised terrace area to replace existing timber decking. (Description amended 19.02.2026).

DM/26/0263: 35 Mill Green Road, Haywards Heath. Rear single storey extension.

DM/26/0271: 130 Renfields, Haywards Heath. Conversion of garage into lounge/utility room (without altering front of the property).

DM/26/0294: 29 Oathall Road, Haywards Heath. T1 White Willow - fell to ground level. T2 Holly - reduce height by 3m, leaving estimated height of 6m. T3 Holly reduce height by 5m leaving finish height at 6m. T4 Large Leaved Lime - Pollard to previous points. T5 Fastigiate Beech - reduce by 4m height, 1 radial spread, leaving finish crown height of 16m height and 7m spread.

DM/26/0367: 23 Bridgers Mill, Haywards Heath. English Oak - Reduce crown by 7m to just under crown break leaving a wildlife habitat monolith.

DM/26/0369: 26 Dellney Avenue, Haywards Heath. Construction of a single storey rear extension.

DM/26/0372: 5 Woodridge Close, Haywards Heath. Garage conversion to a habitable room and elevational alterations.

DM/26/0410: 21 Southdown Close, Haywards Heath. Proposed two storey side extension and open porch.

DM/26/0411: 9 Blunts Wood Road, Haywards Heath. T1 and T2 Oak trees - Reduce to previous points, 2-3 metres.

Hurstpierpoint And Sayers Common

DM/26/0137: 46 Blackthorns, Hurstpierpoint Hassocks West Sussex. Demolition of car port, shed and porch. Erection of garage, shed and porch.

DM/26/0226: Southbrooks Farm, Hurstpierpoint Hassocks West Sussex. Erection of a shared porch between The Cottage and The Old Barn with new entrance doors to each dwelling. Amended Existing and Proposed Elevation Plans received 12.02.2026. Supporting Arboricultural Impact Assessment and Arboricultural Method Statement received 19.02.2026.

DM/26/0311: Bentley Cottage, Wickham Hill, Hurstpierpoint Hassocks. Demolish existing building to rear. Proposed erection of a two storey rear extension. Alterations to South elevation. Decking to rear elevation with steps down to garden level and high privacy screen. Replacing window to existing kitchen with French doors and glass handrail. Addition of a log burner and flue.

DM/26/0389: Paddock Cottage, Albourne Road, Hurstpierpoint Hassocks. T1 Holmoak - Selective pruning of west-facing side of tree, reducing all branches towards building to provide a minimum clearance of approximately 2 metres from the structure, pruning back to suitable growth points. Approximately 2 metres will be removed from the lower west-facing lateral limbs to prevent further contact while maintaining tree's natural shape.

Lindfield

DM/26/0157: 66 Meadow Drive, Lindfield. Proposed single storey front, side and rear extensions.

DM/26/0287: Peake House, Lewes Road, Lindfield. Retrospective replacement windows (Updated plans received on 17/02/2026).

DM/26/0364: 23 Blackthorns, Lindfield. Single-storey extension to the principal elevation.

DM/26/0370: 1 Francis Road, Lindfield. T1 Bay tree - to be removed. T2 Palm Shrub - to be removed.

DM/26/0403: Wayside, 1 Sunte Avenue, Lindfield. Proposed single storey rear extension.

DM/26/0422: 6 The Glebe, Lindfield. Demolition of existing garage and erection of replacement two storey side extension, single storey rear extension and front porch with changes to fenestration.

DM/26/0423: Boarsland, 72 High Street, Lindfield. Oak tree - Remove to ground level.

DM/26/0424: St Nicholas Court, Lindfield. T1 Maple - Reduce canopy by 1.5m to suitable growth points and crown lift to 3m. T2 Judas Tree - Section fell to ground level. T3 Cypress - Reduce in height by 2m to form a matching height. T4 Liquid Amber - Reduce canopy by 2m to suitable growth points, crown lift to 2.5m and crown thin by removing crossing rubbing branches by 10%. T5 Cherry - Crown lift to 3m over grass area.

Lindfield Rural

DM/26/0240: Rock Lodge Cottage, Lewes Road, Scaynes Hill. Existing Certificate of Lawful Development for the above property which has been used as dwelling for more than 4 years.

Newick

LW/26/0037: 24 Western Road, Newick. Erection of single-storey rear extension, replacement of existing conservatory including windows/doors and flat roof, alterations to fenestration to the main house.

Plumpton

SDNP/26/00611/HOUS: Millers Mead, Plumpton Lane, Plumpton. Single storey rear/side extension, roof extension with fenestration alterations.

Worth

DM/26/0005: Stables Cottage, Sandy Lane, Crawley Down. Proposed conversion of garden room with additional floor space created between the garage and the existing garden room, also extending the rear of the existing garden room to create space for the bathroom. Garden room to be ancillary to main dwelling.

DM/26/0207: Woodmans, Copthorne Common, Copthorne. Change of Use from C1 (holiday use) to C3 (residential) Consolidation of two cabins into single storey 3 bedroom energy efficient, self build dwelling and retention of third cabin as ancillary home gym.

DM/26/0303: Land North Of Borers Arms Road, Copthorne. Outline planning application with all matters reserved except for access for the demolition of an existing commercial building and the erection of up to 260 dwellings, up to 1,700sqm of employment floorspace E(c)(iii), E(g)(i)(ii)(iii), car parking, landscaping, open space, and associated development works, with access from Copthorne Bank and Borers Arms Road.

DM/26/0378: Ramblers, 2 Chesterfield Close, Furnace Wood. Front elevation infill extension to bungalow to create entrance lobby and additional bedroom.

DM/26/0413: Spindles, Furnace Farm Road, Furnace Wood. Proposed garage roof extension and conversion to annexe and proposed outbuilding.