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Planning application

16 Windsor Place Cathays Cardiff CF10 3BX

Granted Cardiff 25/02694/FUL Full Planning Permission

Works: New dwelling Extension Windows or glazing Several homes

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

Change of use of first and second floors from B1 offices to C3 dwellinghouses (4no. flats), second floor rear extension, replacement of principal elevation ground and first floor windows, wall and railings to Windsor Place frontage and alterations to ground floor rear external area including new security fencing, bin and bicycle storage.

As published by the council, reference 25/02694/FUL

Application record

Reference
25/02694/FUL
Type
Full Planning Permission
Status
Decided
Decision
Granted As published: Permission Granted
Received
18 Nov 2025
Validated
18 Nov 2025
Decided
23 Jun 2026
Ward
CATHAYS
Decision by
Delegated OM (Major & GL)
Postcode
CF10 3BX

Site history

Applications at this address on the Cardiff register

This site has had 4 applications since 2025: 3 approved, 0 refused.

  • 26/01716/NMA Awaiting decision

    16 Windsor Place Cathays Cardiff CF10 3BX

    Proposed Non-Material Amendment to Planning Permission 25/02694/FUL - To amend top floor layout to 1 unit instead of 2; to omit the second floor rear extension; and to replace second floor rear facing windows with full height windows.

    Submitted 12 Aug 2026 Amendments
  • 25/02695/LBC Granted

    16 Windsor Place Cathays Cardiff CF10 3BX

    Reconfiguration of internal floor layouts; internal repair, decoration and modification works including fire safety measures, replacement of principal elevation ground and first floor windows and external works including second floor rear extension, wall and railings to Windsor Place frontage and minor alterations to ground floor rear external area.

    Decided 23 Jun 2026 Heritage and listed buildings
  • 25/02448/LBC Granted

    16 Windsor Place Cathays Cardiff CF10 3BX

    Change of Use from Business Use (B1) to an Aesthetic Clinic (D1) with associated works.

    Decided 9 Feb 2026 Heritage and listed buildings

Timeline

Dates from the published record

  1. 18 Nov 2025

    Received by Cardiff

  2. 23 Jun 2026

    Decision issued: Permission Granted

  3. 22 Jul 2026

    Added to PlanIndex

Cases linked to this one on the register

1 later application on the register refers to this one:

  • 26/01716/NMA Awaiting decision

    16 Windsor Place Cathays Cardiff CF10 3BX

    Proposed Non-Material Amendment to Planning Permission 25/02694/FUL - To amend top floor layout to 1 unit instead of 2; to omit the second floor rear extension; and to replace second floor rear facing windows with full height windows.

    Submitted 12 Aug 2026 Amendments

Who's behind it

Company information only, from the register and Companies House

avante architects Agent, an architecture practice registered in Cardiff

Active · incorporated 2017 · Cardiff

17 applications on PlanIndex · across 3 councils · 100% 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

24 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 June 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 full applications

A full application seeks permission for a complete, detailed proposal in one go, with siting, design, access and landscaping all fixed at this stage. More in our guide to planning application types.

Nearby applications

Within 500 metres

  • 16 Windsor Place Cathays Cardiff CF10 3BX

    25/02695/LBC Submitted 18 Nov 2025 2m away

    Reconfiguration of internal floor layouts; internal repair, decoration and modification works including fire safety measures, replacement of principal elevation ground and first floor windows and external works including second floor rear extension, wall and railings to Windsor Place frontage and minor alterations to ground floor rear external area.

    Granted Heritage and listed buildings Extension Windows or glazing 23 docs

  • 16 Windsor Place Cathays Cardiff CF10 3BX

    25/02448/LBC Submitted 22 Oct 2025 4m away

    Change of Use from Business Use (B1) to an Aesthetic Clinic (D1) with associated works.

    Granted Heritage and listed buildings 10 docs

  • 16 Windsor Place Cathays Cardiff CF10 3BX

    26/01716/NMA Submitted 12 Aug 2026 15m away

    98% historically approved · decision due ~7 Oct

    Proposed Non-Material Amendment to Planning Permission 25/02694/FUL - To amend top floor layout to 1 unit instead of 2; to omit the second floor rear extension; and to replace second floor rear facing windows with full height windows.

    Awaiting decision Amendments Extension Windows or glazing 12 docs
    Domestic

  • Ground Floor 18 Windsor Place Cathays Cardiff CF10 3BZ

    26/00811/FUL Submitted 24 Apr 2026 17m away

    Change of Use of Ground Floor from Use Class B1 (Office) to Use Class D1 (Medical).

    Granted Full applications 7 docs

  • 19 Windsor Place Cathays Cardiff CF10 3BZ

    26/01119/FUL Submitted 1 Jun 2026 23m away

    Minor alterations and installation of new ventilation system

    Granted Full applications 10 docs

  • 19 Windsor Place Cathays Cardiff CF10 3BZ

    26/01120/LBC Submitted 1 Jun 2026 23m away

    Minor alterations and installation of new ventilation system.

    Granted Heritage and listed buildings 12 docs

In Cardiff

  • 26/01908/FUL Awaiting decision

    9 St Peter's Street Roath Cardiff CF24 3BA

    Demolition of existing two storey side extension and replacement with new remodelled two storey extension

    Received 10 Sep, published by the council 13 Sep 2026 Full applications
  • 26/01395/FUL Granted

    190 Aberporth Road Llandaff North Cardiff CF14 2PS

    Change of use from c3 dwelling house to c4 6 bed HMO.

    Received 6 Jul, published by the council 22 Jul 2026 Full applications
  • 26/01033/FUL Granted

    Llanmaes Estate Office Michaelston Road St Fagans Cardiff CF5 6DU

    Change of use to a physiotherapy clinic

    Received 19 May, published by the council 22 Jul 2026 Full applications
  • 26/01706/FUL Granted

    Second Floor 2 Kingsway Cathays Cardiff CF10 3FD

    Install 4 grilles to the rear of the building

    Received 11 Aug, published by the council 17 Aug 2026 Full applications
  • 26/01708/FUL Granted

    Ground Floor 37 Whitchurch Road Gabalfa Cardiff CF14 3JN

    CHANGE OF USE FROM TANNING SALON TO PROFFESIONAL ADVICE/SOLICITOR SERIVCES

    Received 11 Aug, published by the council 17 Aug 2026 Full applications