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Planning application

15 Mark Street Riverside Cardiff CF11 6LL

Granted Cardiff 26/01168/HSE Renewal of previous permission

Works: Extension Domestic

Read from the description, not a valuation. How we read the register

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/HSE

Application record

Reference
26/01168/HSE
Type
Renewal of previous permission
Status
Decided
Decision
Granted As published: 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/REN 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 Amendments
  • 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

20 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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Open the documents

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 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

  • 15 Mark Street Riverside Cardiff CF11 6LL

    26/01168/REN Submitted 5 Jun 2026 50 yards away

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

    Granted Amendments Extension 14 docs

  • 15 Mark Street Riverside Cardiff CF11 6LL

    21/00991/DCH Submitted 20 Apr 2021 50 yards away

    DOUBLE STOREY REAR EXTENSION

    Granted Householder Extension 20 docs
    Domestic

  • 22 Mark Street Riverside Cardiff CF11 6LL

    PD/09/00940/W Submitted 18 Dec 2009 50 yards away

    REAR EXTENSION

    Refused Prior approval Extension

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

    26/00999/VAR Submitted 15 May 2026 50 yards 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 100 yards 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 100 yards 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

In Cardiff

  • 26/02112/HSE Awaiting decision

    7 Penydarren Drive Whitchurch Cardiff CF14 2TT

    Proposed Single Storey Side/Rear Extension with Garage Conversion

    Received 7 Oct, published by the council 9 Oct 2026 Householder
  • 26/02113/HSE Awaiting decision

    78 Mill Road Lisvane Cardiff CF14 0UG

    PROPOSED FIRST FLOOR EXTENSION AT SIDE OF HOUSE

    Received 7 Oct, published by the council 9 Oct 2026 Householder
  • 26/01702/HSE Granted

    45 Gwern Rhuddi Road Cyncoed Cardiff CF23 6PS

    Two storey and single storey rear extensions (development similar to that as approved under 25/00533/HSE with additional first floor part).

    Received 10 Aug, published by the council 24 Aug 2026 Householder
  • 26/02104/HSE Awaiting decision

    15 Brynteg Rhiwbina Cardiff CF14 6TS

    Proposed single storey rear extension to the existing semi-detached dwelling including minor internal and external modifications

    Received 6 Oct, published by the council 9 Oct 2026 Householder
  • 26/02102/HSE Awaiting decision

    49 Kimberley Road Penylan Cardiff CF23 5DL

    Proposed ground floor rear side return extension

    Received 6 Oct, published by the council 9 Oct 2026 Householder