Planning application
21 Southdown Close Haywards Heath West Sussex RH16 4JR
Works: Extension Small domestic
Read from the description, not a valuation. How we read the register
Permission granted. Work must normally begin within three years of the decision or the permission lapses.
Proposal
Proposed two storey side extension and open porch.
As published by the council, reference DM/26/0410
Application record
- Reference
- DM/26/0410
- Type
- Householder Application
- Status
- Approved
- Decision
- Granted As published: Approved
- Received
- 17 Feb 2026
- Validated
- 18 Feb 2026
- Decided
- 22 Apr 2026
- Ward
- Haywards Heath - Ashenground
- Parish
- Haywards Heath
- Decision by
- Delegated Decision
- Postcode
- RH16 4JR
Timeline
Dates from the published record
-
17 Feb 2026
Received by Mid Sussex
-
18 Feb 2026
Validated
Checked as complete and ready for consideration.
-
22 Apr 2026
Decision issued: Approved
-
12 Aug 2026
Added to PlanIndex
Documents
Plans, drawings, consultee responses and the officer's report
22 documents on file for this application
A planning file usually holds the application form, drawings and site plans, consultee responses, the officer's report and the decision notice.
Watch members (£5 a month) open the document list from here.
Open the documentsWhat this grant of permission means
Mid Sussex granted permission on 22 April 2026, subject to any conditions on the decision notice. Work must normally begin within three years or the permission lapses. More in our guide to what happens after a planning decision.
About householder applications
Householder applications cover work to an existing house and its garden, such as extensions, lofts and outbuildings, and cannot create a separate dwelling or change what the building is used for. More in our guide to planning application types.
Nearby applications
Within 0.3 miles
-
12 Southdown Close Haywards Heath West Sussex RH16 4JR
94% historically approved · decision due ~6 Oct
Internal reconfiguration of detached house to create wheelchair accessible dwelling, including the addition of a single storey extension and decking to the rear to enable level access to the garden. Replacement of all existing windows, rooflights added to front and rear and PV panels added to front.
Awaiting decision New dwelling Extension +2Small domestic -
12 Southdown Close Haywards Heath West Sussex RH16 4JR
Scot Pine (T1) - Fell to ground level.
Granted Trees -
11 Ash Grove Haywards Heath West Sussex RH16 4PZ
Proposed loft conversion with gable-ends and rear dormer
Withdrawn Householder Loft or dormer 8 docsDomestic -
8 Redwood Drive Haywards Heath West Sussex RH16 4ER
Sweet Chestnut (T19 - 4 trunks) - 1) Remove lower growth to first fork reduce by 2m identified as SW+NW, as trunks overhang 9 Redwood Drive. 2) Remove lower growth on stems SE+NE. 3) Crown Reduction of 2m overall back to previous cut points. 4) Remove any damaged, dead or diseased growth identified during above work, for safety reasons.
Granted Trees 5 docs -
11 Redwood Drive Haywards Heath West Sussex RH16 4ER
12 Sweet Chestnuts - reduce back to previous cut points between 3 and 5 metres depending on tree. Cut back epicormic growth.
Granted Trees -
21 Sheppeys Haywards Heath West Sussex RH16 4NP
Single storey side extension.
Granted Extension 13 docsSmall domestic
Other householder applications
In Mid Sussex
-
DM/26/2152 Awaiting decision
Little Hollybush West Hoathly Road East Grinstead West Sussex RH19 4NE
Two storey side extension, loft conversion, roof extension with 3 dormers to rear and alterations to fenestration
-
DM/26/2027 Awaiting decision
Timbers Cansiron Lane Ashurst Wood East Grinstead West Sussex RH19 3SE
Proposed two storey side and rear extension.
-
DM/26/2012 Awaiting decision
21 Harlands Close Haywards Heath West Sussex RH16 1PS
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/26/1085 Granted
12 Hurst Gardens Hurstpierpoint Hassocks West Sussex BN6 9ST
New pitched roof above ground floor projections on principal elevation. Conversion of integrated garage.
-
DM/26/1059 Granted
73 Folders Lane Burgess Hill West Sussex RH15 0DY
Proposed first floor extension and extension to the rear and internal alterations to the property.