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Twyford House High Street Twyford Hampshire SO21 1NU

SDNP/25/04875/LISApproved

Approved on 25 March 2026

Site boundary (council red line)

Proposal

Amendments to the outbuilding works previously approved under application ref SDNP/21/02939/LIS and the addition of PV solar panels concealed on a flat roof and an ASHP heating and heat recovery ventilation system to reduce the energy consumption of the building.

Received
8 December 2025
Council
South Downs
  1. Received8 Dec
  2. Validated29 Dec
  3. Consult.
  4. Target
  5. Decided25 Mar

Decided in 86 days

About this application

This is a planning application for an outbuilding at Twyford House High Street Twyford Hampshire SO21 1NU. South Downs has handled 15,931 applications of this type. This one was decided in 86 days, 4 weeks longer than South Downs's typical decision time. The site is in the Twyford conservation area, with 4 listed buildings nearby. There has been 1 other application at this address. We hold 1,499 applications in total for the SO21 postcode area.

Application details

Postcode
SO21 1NU

Planning application dates

Date validated
29 December 2025

Applicant and agent

Architect profile
SUNSTONE DESIGN LIMITED

Site constraints

Checking the site
2/3
Council recordsAppealsFlood risk

Designations that overlap or adjoin the site outline.

Possibly incomplete for this council: Article 4 directions and tree preservation orders.

Also checked, none recorded (17)

flood storage areas, green belt, scheduled monuments, World Heritage Sites, World Heritage Site buffer zones, registered parks and gardens, registered battlefields, National Landscapes, SSSIs, Special Areas of Conservation, Special Protection Areas, Ramsar sites, ancient woodland, national nature reserves, local nature reserves, heritage coasts and brownfield registers.

A guide only, from official open data; it is not a planning search. Flood zones cover rivers and sea, not surface water.

Data © Crown copyright and others · sources and licences

Contains public sector information from planning.data.gov.uk (MHCLG and local planning authorities), licensed under the Open Government Licence v3.0. © Crown copyright and database right 2026.

© Historic England 2026. Contains Ordnance Survey data © Crown copyright and database right 2026. The Historic England GIS Data contained in this material was obtained on 2026-11-03. The most publicly available up to date Historic England GIS Data can be obtained from HistoricEngland.org.uk.

© Natural England copyright. Contains Ordnance Survey data © Crown copyright and database right 2026.

© Environment Agency copyright and/or database right 2026. All rights reserved. Flood Map for Planning, Open Government Licence v3.0.

Contains Ordnance Survey data © Crown copyright and database right 2026.

Source: Office for National Statistics licensed under the Open Government Licence v.3.0. Contains OS data © Crown copyright and database right 2026.

Associated applications

  1. 2025
    29 Dec

    Amendments to the outbuilding works previously approved under application ref SDNP/21/02939/LIS

    This applicationApprovedApplicationSDNP/25/04875/LIS
  2. 2025
    29 Dec

    Amendments to the outbuilding works previously approved under application ref: SDNP/21/02939/LIS

    PendingHouseholderFiled alongsideSDNP/25/05135/HOUS

Source: South Downs

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