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Planning application

12 Mortimer Road Pontcanna Cardiff CF11 9JZ

Refused Cardiff 24/02558/CLPUD Cert of Lawfulness Proposed (s192)

Works: Extension Loft or dormer Small domestic

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

Refused. Only the applicant can appeal, within the statutory time limit, and a revised scheme can be submitted instead.

Proposal

Single storey rear extension and rear dormer loft conversion

As published by the council, reference 24/02558/CLPUD

Application record

Reference
24/02558/CLPUD
Type
Cert of Lawfulness Proposed (s192)
Status
Decided
Decision
Refused As published: Refuse
Received
28 Oct 2024
Validated
8 Nov 2024
Decided
25 Nov 2024
Ward
RIVERSIDE
Decision by
Delegated Decision
Postcode
CF11 9JZ

Site history

Applications at this address on the Cardiff register

This site has had 2 applications since 2024: 1 approved, 1 refused.

  • 24/02768/HSE Granted

    12 Mortimer Road Pontcanna Cardiff CF11 9JZ

    Removal of outbuilding. Single storey rear extension with rear dormer roof extension.

    Decided 7 Jan 2025 Householder

Timeline

Dates from the published record

  1. 28 Oct 2024

    Received by Cardiff

  2. 8 Nov 2024

    Validated

    Checked as complete and ready for consideration.

  3. 25 Nov 2024

    Decision issued: Refuse

  4. 4 Sep 2026

    Added to PlanIndex

Who's behind it

Company information only, from the register and Companies House

SK DESIGNS Agent, a design practice

143 applications on PlanIndex · across 7 councils · 84% granted

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Documents

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

10 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 refusal means

Cardiff refused this application for the reasons on the decision notice; only the applicant can appeal, and refused schemes often return in revised form. More in our guide to what happens after a planning decision.

About lawful development applications

A lawful development certificate is a legal determination that existing or proposed works do not need planning permission; the merits of the scheme are not considered. More in our guide to planning application types.

Nearby applications

Within 0.3 miles

  • 12 Mortimer Road Pontcanna Cardiff CF11 9JZ

    24/02768/HSE Submitted 26 Nov 2024 50 yards away

    Removal of outbuilding. Single storey rear extension with rear dormer roof extension.

    Granted Householder Extension Loft or dormer 10 docs
    Small domestic

  • 235 Cathedral Road Pontcanna Cardiff CF11 9PP

    24/02485/FUL Submitted 18 Oct 2024 50 yards away

    Proposed single storey rear extension to class A1 use

    Granted Full applications Extension 11 docs
    Small domestic

  • 235 Cathedral Road Pontcanna Cardiff CF11 9PP

    26/01786/VAR Submitted 17 Aug 2026 50 yards away

    97% historically approved · decision due ~16 Nov

    Proposed single storey rear extension to class A1 use (Approved 18 December 2024- 24/02485/FUL):- Variation of Condition 2 (Approved Plans) of 24/02485/FUL to amend the approved scheme as follows: 1) Proposed single storey rear extension increased in size.

    Awaiting decision Amendments Extension 3 docs
    Small domestic

  • 15 Mortimer Road Pontcanna Cardiff CF11 9JZ

    26/00401/HSE Submitted 26 Feb 2026 50 yards away

    First floor rear extension and rear dormer loft conversion and lean-to roof addition to existing single storey structure

    Granted Householder Extension Loft or dormer 11 docs
    Small domestic

  • 26 Mortimer Road Pontcanna Cardiff CF11 9JZ

    26/00545/FUL Submitted 18 Mar 2026 50 yards away

    Change of use from Class D1 (Physiotherapy clinic) to Class C3 two bedroom flat.

    Withdrawn Full applications 7 docs

  • 243 - 245 Cathedral Road Pontcanna Cardiff CF11 9PP

    26/01812/ADV Submitted 25 Aug 2026 50 yards away

    98% historically approved · decision due ~27 Oct

    Painted advertisements.

    Awaiting decision Advertising 15 docs

In Cardiff

  • 26/01578/CLPUD Granted

    207 Fidlas Road Llanishen Cardiff CF14 5NA

    Proposed ancillary garden building

    Received 28 Jul, published by the council 6 Oct 2026 Lawful development
  • 26/02084/CLPUD Awaiting decision

    24 Bassetts Field Rhiwbina Cardiff CF14 9UG

    Proposed single storey flat roof extension to rear

    Received 2 Oct, published by the council 6 Oct 2026 Lawful development
  • 26/02050/CLPUD Awaiting decision

    First And Second Floor 85 Romilly Crescent Pontcanna Cardiff CF11 9NQ

    Change of use from Residential to C6 short-term let.

    Received 25 Sep, published by the council 6 Oct 2026 Lawful development
  • 26/02053/CLPUD Awaiting decision

    32 Homelands Road Heath Cardiff CF14 1UJ

    Single storey rear extension.

    Received 24 Sep, published by the council 6 Oct 2026 Lawful development
  • 26/01863/CLPUD Granted

    6 Llandennis Green Cyncoed Cardiff CF23 6JX

    Proposed conversion of existing integral garage to ancillary domestic accommodation, including minor internal alterations

    Received 4 Sep, published by the council 22 Sep 2026 Lawful development