41 Diana Street Roath Cardiff CF24 4TT

This site has had 2 applications since 2025: 1 approved, 0 refused.

• 25/02459/FUL Granted

  41 Diana Street Roath Cardiff CF24 4TT

  Existing 2 storey 3 bed house conversion to 4 x 1bed apartments with rear extensions and dormer and 2 gables.

  Decided 18 May 2026 Full applications

1. 26 Aug 2025

   Received by Cardiff

2. 22 Jul 2026

   Added to PlanIndex

3. Decision

   Awaiting decision

   Decision expected by 21 October 2025, 8 weeks from validation under the statutory target for most applications. Extensions of time are common and are agreed case by case.

   Cardiff took a median of 56 days over the applications it decided in the last year.

This application is with Cardiff for determination, against a statutory target of eight weeks. Over the last year Cardiff decided lawful development applications in a median of 22 days. More in our guide to how long planning decisions take.

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.

• 82 ALFRED STREET, ROATH, CARDIFF, CF24 4TZ

  10/00993/C Submitted 3 Jun 2010 53m away

  PROPOSED SINGLE STOREY REAR EXTENSION (AND ASSOCIATED ALTERATION WORKS) TO FORM AN ACCESSIBLE WC/SHOWER ROOM

  Granted Householder Extension 2 docs
  Small domestic

• 44 Diana Street Roath Cardiff CF24 4TW

  26/00291/HSE Submitted 11 Feb 2026 68m away

  Demolish and replace single storey rear extension.

  Granted Householder Extension Demolition 11 docs
  Small domestic

• 41 Diana Street Roath Cardiff CF24 4TT

  25/02459/FUL Submitted 23 Oct 2025 70m away

  Existing 2 storey 3 bed house conversion to 4 x 1bed apartments with rear extensions and dormer and 2 gables.

  Granted Full applications New dwelling Extension +1 19 docs

• 53 Donald Street Roath Cardiff CF24 4TL

  24/01055/FUL Submitted 7 May 2024 103m away

  Single storey rear extension, side, hip to gable roof extension and rear dormer loft conversion. Conversion into 4 flats.

  Granted Full applications New dwelling Extension +1 10 docs
  Several homes

• 109 Donald Street Roath Cardiff CF24 4TN

  26/01325/FUL Submitted 24 Jun 2026 106m away

  91% historically approved · decision due ~19 Aug

  Conversion of single dwelling into 3 flats including a rear dormer roof extension and side infill extension.

  Awaiting decision Full applications New dwelling Extension +1 10 docs
  Several homes

• 64 Arabella Street Roath Cardiff CF24 4TB

  22/02709/HSE Submitted 13 Nov 2022 116m away

  Single Storey Rear Extension

  Granted Householder Extension 16 docs
  Small domestic

• 26/01775/CLEUD Granted

  62 Cottrell Road Roath Cardiff CF24 3EZ

  Use of the property as 2 residential care flats (Class C2).

  20 Aug 2026 Lawful development
• 26/01773/CLEUD Granted

  32 Connaught Road Roath Cardiff

  Use of the property as 5 residential care flats (Class C2).

  20 Aug 2026 Lawful development
• 26/01774/CLEUD Granted

  57 Connaught Road Roath Cardiff CF24 3PW

  Use of the property as 4 residential care flats (Class C2).

  20 Aug 2026 Lawful development
• 26/01883/CLPUD Awaiting decision

  Heathfield 135 Pantbach Road Heath Cardiff CF14 1TY

  Proposed enlargement of the existing single-storey rear extension and removal of the existing flat roof and construction of a pitched roof over the enlarged extension with associtated works

  8 Sep 2026 Lawful development
• 26/01990/CLEUD Awaiting decision

  5 Talworth Street Roath Cardiff CF24 3EH

  Use of the property as a C4 House in Multiple Occupation (HMO).

  8 Sep 2026 Lawful development