Planning application
16 Windsor Place Cathays Cardiff CF10 3BX
Works: Extension Windows or glazing Domestic
Read from the description, not a valuation. How we read the register
Relates to 25/02694/FUL
Still open. Anyone can comment while the consultation period runs, and comments go to the council rather than to us.
Proposal
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.
As published by the council, reference 26/01716/NMA
Application record
- Reference
- 26/01716/NMA
- Type
- Non Material Amendment
- Status
- Registered
- Received
- 12 Aug 2026
- Validated
- 12 Aug 2026
- Ward
- CATHAYS
- 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.
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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.
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25/02694/FUL Granted
16 Windsor Place Cathays Cardiff CF10 3BX
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.
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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.
Timeline
Dates from the published record
-
12 Aug 2026
Received by Cardiff
-
7 Sep 2026
Added to PlanIndex
-
Decision
Awaiting decision
Decision expected by 7 October 2026, 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.
Related applications
Cases linked to this one on the register
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25/02694/FUL Granted
16 Windsor Place Cathays Cardiff CF10 3BX
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.
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
20 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 recordDocuments
Plans, drawings, consultee responses and the officer's report
12 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.
Watch members (£5 a month) open the document list from here.
Open the documentsWhat happens while it is decided
This application is with Cardiff for determination, against a statutory target of eight weeks. Over the last year Cardiff decided amendment applications in a median of 47 days. More in our guide to how long planning decisions take.
About amendment applications
An amendment application makes limited changes to a permission that already exists; anything beyond modest adjustment needs a fresh application. More in our guide to planning application types.
Nearby applications
Within 0.3 miles
-
16 Windsor Place Cathays Cardiff CF10 3BX
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.
Granted Full applications New dwelling Extension +1 24 docsSeveral homes -
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.
Granted Heritage and listed buildings Extension Windows or glazing 23 docs -
16 Windsor Place Cathays Cardiff CF10 3BX
Change of Use from Business Use (B1) to an Aesthetic Clinic (D1) with associated works.
Granted Heritage and listed buildings 10 docs -
Ground Floor 18 Windsor Place Cathays Cardiff CF10 3BZ
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
Minor alterations and installation of new ventilation system
Granted Full applications 10 docs -
19 Windsor Place Cathays Cardiff CF10 3BZ
Minor alterations and installation of new ventilation system.
Granted Heritage and listed buildings 12 docs
Other amendment applications
In Cardiff
-
26/01324/NMA Granted
Phase 4A Of Land North Of Junction 33 Cardiff
Proposed Non-Material Amendment to Planning Permission 23/02401/RES - 1) Replace approved boundary treatment plan with new proposed plan. 2) Alterations to external surface finishes.
-
26/01857/NMA Granted
14 Cotswold Avenue Lisvane Cardiff CF14 0TA
Proposed Non-Material Amendment to Planning Permission 18/00385/DCH.
-
26/02083/NMA Awaiting decision
22 Swanage Close Trowbridge Cardiff CF3 0LS
Proposed Non-Material Amendment to Planning Permission 23/01834/FUL - to amend extension junction of existing roof to allow formation of hipped roof
-
26/01987/NMA Granted
Land At Dumballs Road Butetown Cardiff
Proposed Non-Material Amendment to Planning Permission 06/01823/C - Life Critical Fire Safety Works.
-
26/01711/NMA Granted
25 Brook Road Fairwater Cardiff CF5 3AW
Proposed Non-Material Amendment to Planning Permission 24/00292/HSE - To change the roof design of the approved first-floor extension