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Planning application

91 St Marks Road, Henley-on-Thames, RG9 1LP

Granted South Oxfordshire P26/S0401/HH Householder Application

Works: Extension Loft or dormer Windows or glazing 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

Single-storey rear extension, garage conversion and extension, first floor rear gable extension, front dormer extension, new garden room, internal rearrangement, fenestration changes.

As published by the council, reference P26/S0401/HH

Application record

Reference
P26/S0401/HH
Type
Householder Application
Status
Decision Made
Decision
Granted As published: Planning Permission is Granted
Received
10 Feb 2026
Validated
17 Feb 2026
Decided
8 Apr 2026
Decision by
Delegated
Postcode
RG9 1LP

Timeline

Dates from the published record

  1. 10 Feb 2026

    Received by South Oxfordshire

  2. 17 Feb 2026

    Validated

    Checked as complete and ready for consideration.

  3. 8 Apr 2026

    Decision issued: Planning Permission is Granted

  4. 9 Aug 2026

    Added to PlanIndex

Who's behind it

Company information only, from the register and Companies House

Simon Mack Architecture Agent, an architecture practice registered in Henley-On-Thames

Active · incorporated 2011 · Henley-On-Thames

14 applications on PlanIndex · across 2 councils · 92% granted

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Documents

Plans, drawings, consultee responses and the officer's report

25 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.

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What this grant of permission means

South Oxfordshire granted permission on 8 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

  • 95a St Marks Road Henley-on-Thames RG9 1LP

    P14/S0332/FUL Submitted 4 Feb 2014 50 yards away

    Demolition of existing kitchen at 95A and erection of two storey 5-bedroom dwelling (Amendments to planning permission P12/S1581/FUL) (As amended by drawings 4 of 7 dated 18th August 2014 and 7 of 7 dated 18th August 2014 to reduce the size of the proposed basement area).

    Granted Full applications Demolition 14 docs
    Domestic

  • 76A St. Marks Road Henley-on-Thames Oxfordshire RG9 1LW

    P14/S0957/HH Submitted 31 Mar 2014 50 yards away

    Single storey rear extension and new roof over existing conservatory and utility room.

    Granted Householder Extension Roofing 11 docs
    Small domestic

  • 76 St Andrews Road Henley-on-Thames RG9 1JE

    P14/S1718/HH Submitted 2 Jun 2014 100 yards away

    Proposed conversion from a two storey dormer property to a two storey house including an extension to rear.

    Granted Householder Extension Loft or dormer 12 docs
    Domestic

  • 82 St. Andrews Road Henley-on-Thames RG9 1JE

    P14/S2380/HH Submitted 24 Jul 2014 100 yards away

    Addition of a single storey front porch.

    Granted Householder Extension 23 docs
    Small domestic

  • 66 St Andrews Road, Henley-On-Thames, RG9 1JE

    P21/S4297/TCA Submitted 6 Oct 2021 100 yards away

    To carry out removal and pruning of various small trees and shrubs as per the enclosed plan, and as below. We will also be carrying further planting works. 1. Privet - fell 1. Dead Lilac - fell 1. Cotinus - fell 1. Viburnum - fell 1. Plum - fell 1. Laurel - prune Various shrubs against wall - prune 1. Pyracantha - fell 1. Pyracantha - prune 1. Cotoneaster - prune

    Decided Trees 2 docs

  • 76 St Andrews Road Henley on Thames RG9 1JE

    P16/S0827/FUL Submitted 7 Mar 2016 100 yards away

    Demolition of 76 St Andrews Road to create two detached 3 bedroom dwellings with associated parking.

    Granted Full applications Demolition 20 docs

In South Oxfordshire

  • P26/S3776/HH Granted

    9 Ash Hurst Goring Reading RG8 0DQ

    Single storey side extension and two storey rear extension. Erection of car port.

    Received 27 Aug, published by the council 8 Sep 2026 Householder
  • P26/S3727/HH Granted

    14 The Croft Didcot OX11 8HR

    Part two storey and single storey rear extension to replace existing structures. Storm porch addition to front extension

    Received 24 Aug, published by the council 2 Sep 2026 Householder
  • P26/S3518/HH Granted

    121 Wessex Road Didcot OX11 8BJ

    Loft conversion to form a new bedroom. Internal alterations with single storey extension to the rear. Replacement of timber outbuilding.

    Received 12 Aug, published by the council 27 Aug 2026 Householder
  • P26/S2946/HH Granted

    Duxford House Mill Road Shiplake Henley-on-Thames RG9 3LT

    New Garden Outbuilding.

    Received 15 Jul, published by the council 21 Aug 2026 Householder
  • P26/S3428/HH Granted

    Grange Stables Moulsford Wallingford OX10 9JD

    Ground floor kitchen extension and internal alterations

    Received 7 Aug, published by the council 21 Aug 2026 Householder