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Planning agent

Duffryn Design

A design practice. 9 planning applications on PlanIndex across 2 councils . On the register from 2021 to 2026.

Where they work

What they file

  1. Householder67%
  2. Lawful development22%
  3. Full applications11%

Track record

The 9 most recent applications naming this firm

  • 26/00711/HSE Granted

    38 Hirst Crescent Fairwater Cardiff CF5 3LH

    Removal of existing side garage and construction of single storey self contained annex.

    Decided 23 Jul 2026 Householder
  • 26/00442/HSE Granted

    237 College Road Whitchurch Cardiff CF14 2NU

    Single storey rear extension, hip to gable roof and rear dormer loft conversion.

    Decided 22 Apr 2026 Householder
  • 25/1237/FUL Granted

    Wits End Tyla Garw Tyla Garw Pontyclun Rhondda Cynon Taf CF72 9EZ

    Proposed two storey rear extension and enhanced drive access

    Decided 13 Feb 2026 Full applications
  • 25/01642/HSE Granted

    56 River Glade Gwaelod-y-garth Cardiff CF15 9SP

    First floor side extension.

    Decided 23 Sep 2025 Householder
  • 25/01297/HSE Granted

    37 Ton-yr-ywen Avenue Heath Cardiff CF14 4NZ

    Demolition of existing rear utility / wc room & out house. Proposed side and rear single storey extension.

    Decided 14 Aug 2025 Householder
  • 24/01800/HSE Granted

    17 Radyr Court Rise Llandaff Cardiff CF5 2QH

    Removal of existing conservatory. Part two storey part single storey side extension. Single storey side and rear extension and single storey front extension.

    Decided 16 Oct 2024 Householder
  • 23/00335/HSE Granted

    6 Dan-y-bryn Close Radyr Cardiff CF15 8DJ

    Removal of existing flat roof dormers and replacement with pitched roof gable extension to the front and new dormer roof extensions to front and rear elevations including removal of chimney stack and other external works

    Decided 14 Apr 2023 Householder
  • 21/0622/10 Granted

    59 Dol Y Llan Miskin Pont-Y-Clun Pontyclun CF72 8RY

    Remodelling / extension of existing conservatory to create garden room and convert garage into office space / gym.

    Decided 29 Jul 2021 Lawful development
  • 21/0622/09 Granted

    59 Dol Y Llan Miskin Pont-Y-Clun Pontyclun CF72 8RY

    Remodelling / extension of existing conservatory to create garden room and convert garage into office space / gym.

    Decided 29 Jul 2021 Lawful development

The full track record

Trade members see everything this firm has filed, filter it by council and outcome, and get an email the day it files again.

See the full track record

From council registers and Companies House. Counts describe the records we hold, not a firm's complete history. Request a correction or removal.