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Planning application

P23/S2742/NM

15 Niagara Road, Henley-on-Thames, RG9 1EB

Refused South Oxfordshire Non Material Amendment

Proposal

Non material amendment to application ref. P22/S3390/HH (Extend rear single storey element of terrace house to the side to form an enlarged kitchen space with lean-to pitch roof in slate. Build over the existing ground floor lean-to roof to form new first floor bathroom. Install new rooflights in the roof to the loft space. First floor reorganisation to facilitate the new staircase to the new attic storage room) - replacement of the existing front segmental bay on the ground floor and two windows on the first floor.

As published by the council, reference P23/S2742/NM

Timeline

Dates from the published record

  1. 13 Aug 2023

    Validated

    Checked as complete and ready for consideration.

  2. 14 Aug 2023

    Received by South Oxfordshire

  3. 5 Sep 2023

    Decision issued: Reject Non Material Amendment

  4. 29 Jul 2026

    Added to PlanIndex

What refusal means

The process from here

The council refused this application for the reasons set out on the decision notice, which the council portal holds in full. Only the applicant can appeal a refusal; the time limit runs from the decision date and is shorter for householder schemes.

Refusal does not prevent a fresh attempt. Applicants often address the reasons for refusal and resubmit, so a refused scheme is not necessarily the end of proposals for the site.

About amendments applications

How this application type works

An amendment application changes a permission that already exists. Non-material amendments cover small adjustments with no wider effect, while minor material amendments, usually made by varying a condition, allow modest design changes without a fresh application. Anything beyond that needs a new permission, so the scope here is deliberately narrow.

More on amendments applications in our guide

Nearby applications

Within 500 metres

  • P23/S0507/HH Granted

    26 Niagara Road, Henley-on-Thames, RG9 1EB

    Ground floor rear and side extension, second storey rear extension, front porch extension and associated works.

    8 Feb 2023 0m away Householder
  • P19/S1698/HH Decided

    33 Niagara Road Henley-On-Thames RG9 1EB

    Two storey side, and single storey front and rear extensions

    28 May 2019 0m away Householder
  • P26/S2729/HH Decided

    24 Niagara Road Henley-on-Thames RG9 1EB

    Single storey front and rear extensions

    2 Jul 2026 0m away Householder
  • P19/S0371/HH Decided

    16 &17 Niagara Road Henley-On-Thames RG9 1EB

    Joint ground floor and first floor extension to 16 & 17 Niagara Road (As amended on 12 April 2019).

    4 Feb 2019 34m away Householder
  • P26/S1916/16A(28) Granted

    OPP 2B Boston Road Henley-on-Thames RG9 1DY

    install fixed line broadband electronic communications apparatus under Regulation 5

    18 May 2026 51m away Telecoms
  • P21/S2387/HH Granted

    152 Reading Road, Henley-On-Thames, RG9 1EA

    Loft conversion to include a rear bonnet dormer, one conservation style roof light to the rear elevation. (Amended plans received 9 July 2021 removing roof light to front elevation).

    24 May 2021 74m away Householder

In South Oxfordshire

  • P26/S1183/NM Decided

    Cobbs Cottage 2 The Green North Warborough Wallingford OX10 7HA

    Non-material amendment to planning permission P24/S2753/HH - doors to west elevation (Single storey side/rear extension and external and internal alterations).

    14 Apr 2026 Amendments
  • P26/S2629/NM Refused

    129A Harpsden Road Henley-on-Thames RG9 1ED

    Non-material amendment to planning permission P25/S1782/HH (Single storey rear and two storey side extension, addition of dormer window to rear roof slope and associated internal alterations) - to amend the width and height of rear facing roof dormer.

    29 Jun 2026 Amendments
  • P26/S2418/NM Refused

    4 Chalmore Gardens Wallingford OX10 9EP

    Non material amendment to application ref. P26/S0544/HH for change of materials, reduction of external cladding for more facing brickwork. Additional en-suite high level obscure glazed windows with cill set at 1.7m min. above floor level in side elevations. Roof pitch changed from 45 degree to 40 degree to allow eaves to be raised. Ridge height remains the same. PV panels added to south facing pitched roof side elevation Proposed single storey rear extension. Part two storey front extensions. replacement and enlarged 1st floor roof structure incorporatingside gables and rear dormer. Single storey set back attached side garage.

    8 Jun 2026 Amendments
  • P26/S2863/NM Decided

    Crowsley Grange, Crowsley, Henley-on-Thames, RG9 4JP

    Non-material amendment to planning permission P25/S1017/HH, for the following: substitution of tile hanging for timber boarding as the replacement finish to the existing cement render to the first floor of the annex, two additional rooflights, with one consented rooflight omitted, the removal of one chimney stack to the main house and adjustments to the arrangement of some window and door openings. Rear three storey gable extension, loft conversion with new rooflights, single storey link extension, reconfiguring existing annex to integrate with main house, development of existing outbuildings in to entertaining space, replacing sand and cement render to annex with timber boarding and insertion of new window to front gable.

    10 Jul 2026 Amendments
  • P26/S2411/NM Decided

    52 Latchford Lane Great Haseley Oxford OX44 7LA

    Non material amendment to application ref. P26/S0487/HH, to change the approved natural stone wall finish to facing brickwork, rooflights over the dining room removed and Orial window amended to a fixed window (rear elevation). Single storey rear and side extension and a detached garage and store outbuilding.

    4 Jun 2026 Amendments