Skip to content

16 St Marks Road, Henley-on-Thames, RG9 1LJ

P26/S3919/HHOther DevelopmentAwaiting decision
Approximate location: the centre of the postcode, not the exact property.

Proposal

Single storey & 1st floor rear extensions. 2nd floor dormer. Side lean-to carport to replace existing garage.

Received
10 September 2026
  1. Received10 Sep
  2. Validated10 Sep
  3. Consult.
  4. Target
  5. Decided

Have your say

View on the council's site

About this application

This is a planning application for a dormer extension at 16 St Marks Road Henley-on-Thames RG9 1LJ. South Oxfordshire has handled 444 applications of this type. It has been with the council since 10 September 2026 and is still awaiting a decision. The site is in the Henley, St Mark's Road conservation area. There are no previous applications recorded at this address. We hold 1,428 applications in total for the RG9 postcode area.

97% of other development applications at South Oxfordshire District Council were approved. Across all application types, the council typically decides in about 8 weeks (median).

Based on decided applications received in the last 3 years.Planning something similar? See what gets approved on your street

Application details

Postcode
RG9 1LJ
Application type
Other Development
Parish
Henley on Thames

Planning application dates

Date validated
10 September 2026

Applicant and agent

Applicant
Private applicant
Architect profile
STL ARCHITECTURE LTD

Planning decision

Case officer
Lauren Davies

Site constraints

Checking the site
2/3
Council recordsAppealsFlood risk

Designations at the address point. Ones next to the site may also apply.

  • Conservation area: Henley - St Marks Road Conservation Area
  • Flood zone 1: Low probability (rivers and sea)

Not published by this council, so not checked: Article 4 directions. Ask the council if these matter.

Possibly incomplete for this council: tree preservation orders.

Also checked, none recorded (21)

flood storage areas, listed buildings, green belt, scheduled monuments, World Heritage Sites, World Heritage Site buffer zones, registered parks and gardens, registered battlefields, Heritage at Risk entries, nutrient neutrality catchments, national parks, 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.

Source: South Oxfordshire

Track this application

Get email alerts when there is a planning decision or status change.

Get email alerts near RG9

New planning applications delivered to your inbox daily.

Around this site

Discuss this application on r/PlanningPermissionUK

For applicants and trades

Planning something similar?

See what the council approved and refused for loft conversions and dormers on your street. Pick your home and get the evidence before you pay for drawings.

See what gets approved on your streetBuying this property? Report on this address