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Planning agent

DarntonB3 Architecture Ltd.

An architecture practice. 21 planning applications on PlanIndex across 10 councils . On the register from 2016 to 2025.

18 granted and 0 refused of 18 decided applications in our index. A record of decisions already made, not a forecast of the next one.

Where they work

  1. Cardiff5

    100% approved here, against 95% for the council

  2. Manchester4
  3. Powys3
  4. Bradford2
  5. South Lanarkshire2
  6. Kingston upon Hull, City of1
  7. Huntingdonshire1
  8. Hammersmith and Fulham1
  9. Rhondda Cynon Taf1
  10. Torfaen1

What they file

  1. Full applications40%
  2. Conditions35%
  3. Heritage and listed buildings15%
  4. Amendments5%
  5. Reserved matters5%

Track record

The 10 most recent applications naming this firm

  • 25/P/0335/CND Granted

    Big Pit (blaenafon) Trust Ltd Gilchrist Thomas Industrial Estate Blaenavon Torfaen NP4 9XP

    Discharge of condition 3 (Biodiversity Enhancement) of planning permission 24/P/0415/FUL - Refurbishment of the old fitting shop in the Black Smith's courtyard into a Guides' welfare room.

    Decided 24 Jun 2026
  • 24/02587/DOC Granted

    Cathays Library Fairoak Road Cathays Cardiff CF24 4PW

    Discharge of Conditions 4 (Nano-lime Works Trial Sample), 5 (Nano-lime Conservator Report), 6 (Repointing Trial Sample), 7 (Shelter-coat Application), 8 (Limestone Plastic Stone Repair Samples), 9 (External Finishing Materials, Replacement Glass and Rainwater Goods), 10 (Existing Window Photos), 11 (Large Scale Window Details), 12 (Refurbishment Colour Scheme) and 14 (Proposed Structural Roof Repair Details) of LBC/22/00022/MNR.

    Decided 18 Dec 2024 Conditions
  • 23/00894/DOC Granted

    The Court Special School Station Road Llanishen Cardiff CF14 5UX

    Discharge of Condition 6 (On site review of ceilings) and Condition 7 (structural roof repairs) of LBC/21/00008/MNR

    Decided 27 Apr 2023 Conditions
  • 22/02702/DOC Granted

    The Court Special School Station Road Llanishen Cardiff CF14 5UX

    Discharge of Condition 6 (On site review of ceilings) and Condition 7 (structural roof repairs) of 21/01602/MNR

    Decided 24 Apr 2023 Conditions
  • 19/01596/SUB03 Granted

    Former Wyke Manor School Site Wyke Bradford West Yorkshire

    Submission of details required by condition 25 (cycle stands details) of planning permission 19/01596/REG

    Decided 7 Dec 2021 Conditions
  • LBC/21/00008/MNR Granted

    The Court Special School Station Road Llanishen Cardiff CF14 5UX

    ESSENTIAL REPAIRS TO EXTERNAL FABRIC OF BUILDING INCLUDING REPLACEMENT ROOF FINISH, REPLACEMENT RENDER TO WEST ELEVATION, CERTAIN REPLACEMENT WINDOWS, RE-CONSTRUCTION OF EXISTING DORMER CONSTRUCTIONS, DEMOLITION OF EXISTING NON-ORIGINAL CHIMNEY, REMOVAL OF EXISTING UNSAFE STEEL FIRE ESCAPE AND INTERNAL REFURBISHMENT OF SECOND FLOOR CARETAKERS ACCOMMODATION INCLUDING MECHANICAL AND ELECTRICAL ADAPTATIONS

    Decided 8 Oct 2021 Heritage and listed buildings
  • 21/01602/MNR Granted

    The Court Special School Station Road Llanishen Cardiff CF14 5UX

    ESSENTIAL REPAIRS TO EXTERNAL FABRIC OF BUILDING INCLUDING REPLACEMENT ROOF FINISH, REPLACEMENT RENDER TO WEST ELEVATION, CERTAIN REPLACEMENT WINDOWS, RE-CONSTRUCTION OF EXISTING DORMER CONSTRUCTIONS, DEMOLITION OF EXISTING NON-ORIGINAL CHIMNEY, REMOVAL OF EXISTING UNSAFE STEEL FIRE ESCAPE AND INTERNAL REFURBISHMENT OF SECOND FLOOR CARETAKERS ACCOMMODATION INCLUDING MECHANICAL AND ELECTRICAL ADAPTATIONS

    Decided 8 Oct 2021 Full applications
  • 21/1168/DIS Granted

    Montgomery Natural Spring Water Crosslikey Supermarket Churchstoke Montgomery Powys SY15 6AR

    Application to discharge conditions 6, 7, 8 & 9 of planning consent 20/1653/FUL

    Decided 12 Oct 2021 Conditions
  • 19/01596/NMA01 Granted

    Former Wyke Manor School Site Wyke Bradford West Yorkshire

    Non-material amendment to planning approval 19/01596/REG as follows: Building: Reduction of the GIFA area and use of more affordable materials Site: Reduction of hardstanding areas, reduction of cycle track width from 6M to 5M and removal of the cycle track loop

    Decided 17 Feb 2021 Amendments
  • 20/0880/38 Granted

    Land At Wellington Street Robertstown Aberdare

    Discharge of condition 9, boundary treatment & 10, hard landscaping (18/1090/10)

    Decided 21 Oct 2020 Conditions

11 more applications on record

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