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Planning application

15 Mark Street Riverside Cardiff CF11 6LL

Granted Cardiff 26/01168/REN Renewal of previous permission

Works: Extension

Relates to 21/00991/DCH

Permission granted. Work must normally begin within five years of the decision or the permission lapses.

Proposal

Renewal of planning permission 21/00991/DCH for a double storey rear extension.

As published by the council, reference 26/01168/REN

Application record

Reference
26/01168/REN
Type
Renewal of previous permission
Status
Decided
Decision
Permission Granted
Received
5 Jun 2026
Validated
5 Jun 2026
Decided
23 Jul 2026
Ward
RIVERSIDE
Decision by
Chair (1- 5 Reps)
Postcode
CF11 6LL

Site history

Applications at this address on the Cardiff register

This site has had 3 applications since 2021: 3 approved, 0 refused.

  • 26/01168/HSE Granted

    15 Mark Street Riverside Cardiff CF11 6LL

    Renewal of planning permission 21/00991/DCH for a double storey rear extension.

    Decided 23 Jul 2026 Householder
  • 21/00991/DCH Granted

    15 Mark Street Riverside Cardiff CF11 6LL

    DOUBLE STOREY REAR EXTENSION

    Decided 9 Jul 2021 Householder

Timeline

Dates from the published record

  1. 5 Jun 2026

    Received by Cardiff

  2. 22 Jul 2026

    Added to PlanIndex

  3. 23 Jul 2026

    Decision issued: Permission Granted

Cases linked to this one on the register

  • 21/00991/DCH Granted

    15 Mark Street Riverside Cardiff CF11 6LL

    DOUBLE STOREY REAR EXTENSION

    Decided 9 Jul 2021 Householder

Who's behind it

Company information only, from the register and Companies House

Black brick Studio LTD Agent, registered in Cardiff

Active · incorporated 2023 · Cardiff

19 applications on PlanIndex · across 4 councils · 93% granted

Trade members see everything this firm has filed, how it was decided, and get an email the day it files again.

See their track record

Documents

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

14 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

Cardiff granted permission on 23 July 2026, subject to any conditions on the decision notice. Work must normally begin within five years or the permission lapses. More in our guide to what happens after a planning decision.

About amendment applications

An amendment application makes limited changes to a permission that already exists; anything beyond modest adjustment needs a fresh application. More in our guide to planning application types.

Nearby applications

Within 500 metres

  • 15 Mark Street Riverside Cardiff CF11 6LL

    26/01168/HSE Submitted 5 Jun 2026 0m away

    Renewal of planning permission 21/00991/DCH for a double storey rear extension.

    Granted Householder Extension 14 docs
    Domestic

  • 15 Mark Street Riverside Cardiff CF11 6LL

    21/00991/DCH Submitted 20 Apr 2021 0m away

    DOUBLE STOREY REAR EXTENSION

    Granted Householder Extension 20 docs
    Domestic

  • Castlebridge 5 - 19 Cowbridge Road East Riverside Cardiff CF11 9BB

    26/00999/VAR Submitted 15 May 2026 50m away

    Roof, boundary and other external alterations. Installation of new PV panels. New glazed canopy over existing external courtyard. Block 1, Level 3 office extension. (Approved 25 April 2025- 25/00227/FUL):- Variation of Conditions 2 (Approved Plans) and 3 (Bat Surveys) of 25/00227/FUL to amend the approved scheme as follows: 1) Reduce glazing; 2) Introduce additional soft landscaping and greenery; 3) Amend Condition 3 wording to only apply to the roof works and works affecting roof structure rather than the entire development.

    Granted Amendments Extension Windows or glazing 7 docs

  • 27 Brook Street Riverside Cardiff CF11 6LG

    21/01791/DCH Submitted 16 Jul 2021 84m away

    SINGLE STOREY REAR EXTENSION

    Granted Householder Extension 8 docs
    Small domestic

  • 11 Coldstream Terrace Riverside Cardiff CF11 6LJ

    26/00053/FUL Submitted 12 Jan 2026 91m away

    Proposed Change of Use from Guesthouse to House in Multiple Occupation with Rear Dormer and Alterations to Existing Rear Outbuilding.

    Granted Full applications Loft or dormer 22 docs

  • Warden's Cottage Cowbridge Road East Sophia Gardens Cardiff

    21/01266/MNR Submitted 18 May 2021 144m away

    DISCHARGE OF CONDITION 11 (ARBORICULTURAL METHOD STATEMENT) OF 19/00507/MNR

    Granted Full applications 8 docs

In Cardiff

  • 26/01720/NMA Granted

    66 Caegwyn Road Heath Cardiff CF14 1TD

    Proposed Non-Material Amendment to Planning Permission 23/02187/FUL - To vary the list of approved plans listed under condition 2.

    12 Aug 2026 Amendments
  • 26/01769/NMA Granted

    57 Celyn Avenue Cyncoed Cardiff CF23 6EJ

    Proposed Non-Material Amendment to Planning Permission 25/02767/HSE - To reduce rear extension size and install new doors/windows and alter proposed window sizes

    19 Aug 2026 Amendments
  • 26/01654/NMA Granted

    Radyr Golf Club Drysgol Road Radyr Cardiff CF15 8BS

    Proposed Non-Material Amendment to Planning Permission 22/00537/MJR- add Tree Translocation Assessment Report to Condition 2 (Approved Plans) and Condition 4 (Accordance with Submitted Details and GIS Period)

    4 Aug 2026 Amendments
  • 26/01748/NMA Granted

    BBC Wales Broadcasting House Llantrisant Road Llandaff Cardiff CF5 2YQ

    Non-Material Amendment to Planning Permission 16/01059/MJR- addition of juliet balconies.

    17 Aug 2026 Amendments
  • 26/01664/NMA Granted

    Riverbank Special School Vincent Road Caerau Cardiff CF5 5AQ

    Proposed Non-Material Amendment to Planning Permission 26/00949/FUL- minor amendments to fence heights, gate widths, kerbing and the location of gate 1, with new pedestrian access, speed table and associated works.

    3 Aug 2026 Amendments