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Planning application

25/01885/NMA

20 Observatory Street Oxford Oxfordshire OX2 6EW

Awaiting decision Oxford Non-Material Amendments - 1st app

Proposal

Non-Material amendment to planning permission 25/01885/FUL to allow insertion of 2no. flush rooflights to the rear roof slope and 1no. flush rooflight to the roof of the first floor extension.

As published by the council, reference 25/01885/NMA

Timeline

Dates from the published record

  1. 18 Jun 2026

    Received by Oxford

  2. 25 Jun 2026

    Validated

    Checked as complete and ready for consideration.

  3. 2 Aug 2026

    Added to PlanIndex

  4. Decision

    Awaiting decision

    The statutory target is eight weeks for most applications and thirteen for major development. Extensions of time are common.

What happens while it is decided

The process from here

This application is with Oxford for determination. The council publicises it, consults neighbours and technical bodies where required, and weighs the responses against local and national planning policy.

The statutory target is eight weeks for most applications and thirteen for major development, though extensions of time are common. Comments carry most weight while the case is undecided, so check the council portal for the deadline if you want to respond.

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

  • 26/00891/FUL Awaiting decision

    57 Observatory Street Oxford Oxfordshire OX2 6EP

    Erection of a single storey rear extension.

    13 Apr 2026 21m away Full applications
  • 26/01190/FUL Withdrawn

    56 Observatory Street Oxford Oxfordshire OX2 6EP

    Erection of a part single, part two-storey rear extension. Formation of 1no. rear dormer in association with a loft conversion.

    15 May 2026 24m away Full applications
  • 18/03388/CND Granted

    67 Observatory Street Oxford OX2 6EP

    Details submitted in compliance with condition 4 (Landscape hard surfce design - tree roots), 5 (Landscape underground services - tree roots), 6 (Tree Protection Plan (TPP) 1) and 7 (Arboricultural Method Statement (AMS) 1) of planning permission 18/03388/FUL.

    12 Aug 2019 35m away Conditions
  • 26/01399/CAT Granted

    23 Adelaide Street Oxford Oxfordshire OX2 6EN

    Works to various trees as specified by Boward Tree Surgery (Oxford) Ltd in the Walton Manor Conservation area. T1 Common Horse Chestnut Crown Thin - Removing selected branches in the upper outer canopy to reduce current density by up to 15% without 'lions tailing'. T2 Beech Tree Crown Thin - Removing selected branches in the upper canopy to reduce current density by up to 25%.

    9 Jun 2026 60m away Trees
  • 19/02667/CAT Granted

    23 Adelaide Street Oxford Oxfordshire OX2 6EN

    Works to various trees as specified by Boward Oxford Ltd in the Walton Manor Conservation Area.

    15 Oct 2019 60m away Trees
  • 19/02922/FUL Granted

    15 Adelaide Street Oxford OX2 6EN

    Demolition of existing two storey rear extension. Erection of part single, part two storey rear extension. Conversion of basement to form habitable space.

    8 Nov 2019 61m away Full applications

In Oxford

  • 24/00335/NMA3 Granted

    4200 Nash Court John Smith Drive Oxford Oxfordshire OX4 2RU

    Non-Material amendment to planning permission 24/00335/FUL to allow for the proposed changes that include insertion of a fixed balustrade to the level 4 roof, minor alterations to the rear entrance curtain walling, cladding and fascia to west elevation, alterations to fenestrations, insertion of stepover to level 4 roof, positions adjusted of external buildings, kerb line around cycle store re-positioned, amendment to EV charging point positions, formation of kerbs, minor amendments to planting areas and tree locations, amendment to external enclosure positions, alteration to paved area to frontage of cycle store, alteration to fences, removal of flexible furniture to frontage from plan, indicative sign in southern plaza removed from plan and key, adjustment to lamp column position, permeable grass paving bond amended from herringbone to stretcher bond, key amendment change from timber enclosure to external enclosures, removal of wayfinding signage from key, addition of green roofs, amendment to concrete paving slabs to pedestrian paths and addition of ramped accesses to pedestrian paths.

    26 Jun 2026 Amendments
  • 19/02003/NMA6 Granted

    Plot 16 Oxford Science Park Robert Robinson Avenue Oxford Oxfordshire OX4 4GA

    Non-Material amendment to planning permission 19/02003/FUL to allow reduction in car parking to unloading area and new plant rooms. Insertion of 1no. louvre to replace a glass panel to southern elevation, removal of louvre to north elevation. Reinstatement of fire doors to second floor.

    8 Jul 2026 Amendments
  • 25/01129/NMA Withdrawn

    60 - 64 Banbury Road Oxford Oxfordshire OX2 6PN

    Non-material amendment to planning permission 25/01129/FUL to allow allterations to path locations and openings through some boundary walls.

    8 Jun 2026 Amendments
  • 25/01129/NMA2 Withdrawn

    60 - 64 Banbury Road Oxford Oxfordshire OX2 6PN

    Non-Material amendment to planning permission 25/01129/FUL to allow development of the design of the rear gardens to 7 and 8 Bradmore Road.

    5 Jun 2026 Amendments
  • 22/02962/NMA Awaiting decision

    11 Rawlinson Road Oxford Oxfordshire OX2 6UE

    Non-Material amendment to planning permission 22/02962/FUL to allow demolition of rear store and erection of single storey rear extension. Insertion of 1no. rooflight and 1no.bay window to side elevation of existing rear extension. Alteration to rear patio doors. Alterations to existing side store including increase in roof height

    22 Jul 2026 Amendments