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Planning application

15 Mark Street Riverside Cardiff CF11 6LL

Granted Cardiff 21/00991/DCH Householder Planning Permission

Works: Extension Domestic

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

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

Proposal

DOUBLE STOREY REAR EXTENSION

As published by the council, reference 21/00991/DCH

Application record

Reference
21/00991/DCH
Type
Householder Planning Permission
Status
Decided
Decision
Permission Granted
Received
20 Apr 2021
Validated
23 Apr 2021
Decided
9 Jul 2021
Ward
RIVERSIDE
Decision by
Delegated Decision
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
  • 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

Timeline

Dates from the published record

  1. 20 Apr 2021

    Received by Cardiff

  2. 23 Apr 2021

    Validated

    Checked as complete and ready for consideration.

  3. 9 Jul 2021

    Decision issued: Permission Granted

  4. 13 Aug 2026

    Added to PlanIndex

Cases linked to this one on the register

2 later applications on the register refer to this one:

  • 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
  • 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

Documents

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

20 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.

Trade members open them from here.

Open the documents

What this grant of permission means

Cardiff granted permission on 9 July 2021, 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 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

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

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

    Granted Amendments Extension 14 docs

  • 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

    Decided Full applications 8 docs

In Cardiff

  • 25/01805/HSE Refused

    12 Hamilton Street Pontcanna Cardiff CF11 9BP

    Replacement of the existing ground and first floor front bay windows with sliding sash uPVC windows.

    1 Aug 2025 Householder
  • 26/01543/HSE Refused

    2 Camelot Way Thornhill Cardiff CF14 9AN

    Proposed open sided car port, drainage to one side and into a gravel soakaway.

    24 Jul 2026 Householder
  • 26/01459/HSE Granted

    64 Fidlas Avenue Cyncoed Cardiff CF14 0NZ

    Side single and double storey extension

    14 Jul 2026 Householder
  • 26/01841/HSE Awaiting decision

    160 Heol Llanishen Fach Rhiwbina Cardiff CF14 6RG

    Two storey side extension and loft conversion with front and rear dormers

    1 Sep 2026 Householder
  • 26/01505/HSE Granted

    100 Caer Wenallt Rhiwbina Cardiff CF14 7HQ

    Front & rear dormers, porch & internal alterations.

    20 Jul 2026 Householder