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Planning agent

Kotzmuth Williams Architects

An architecture practice. 14 planning applications on PlanIndex across 2 councils . On the register from 2021 to 2026.

13 granted and 0 refused of 13 decided applications in our index. A record of decisions already made, not a forecast of the next one.

Where they work

What they file

  1. Householder71%
  2. Lawful development21%
  3. Full applications7%

Track record

The 10 most recent applications naming this firm

  • 26/00909/CLPUD Granted

    34 Kelston Road Whitchurch Cardiff CF14 2AJ

    Single storey side extension.

    Decided 29 May 2026 Lawful development
  • 25/02629/HSE Granted

    31 St Ina Road Heath Cardiff CF14 4LS

    Single storey rear extension

    Decided 7 Jan 2026 Householder
  • 25/02026/HSE Awaiting decision

    33 West Orchard Crescent Canton Cardiff CF5 1AR

    Single storey rear extension with a new roof and external alterations to the property.

    Submitted 2 Sep 2025 Householder
  • 25/01402/HSE Granted

    14 St Fagans Drive St Fagans Cardiff CF5 6EF

    Demolition of existing conservatory. New windows and external doors. New external cladding. Removal of existing tree.

    Decided 10 Oct 2025 Householder
  • 24/01678/HSE Granted

    9 Berthwin Street Pontcanna Cardiff CF11 9JH

    Single storey pitch roof extension to rear of house. New window to rear of existing side return extension.

    Decided 16 Sep 2024 Householder
  • 24/01492/HSE Granted

    112 Severn Grove Riverside Cardiff CF11 9EQ

    New door and windows to front elevation. New bike store in front garden. Single storey extension to rear. New dormer window to rear. New oriel window to rear bedroom on first floor. New roof windows. New bathroom window.

    Decided 4 Oct 2024 Householder
  • 23/00295/CLD Granted

    30 Greenwich Road Canton Cardiff CF5 1EU

    Pitched roof single storey rear and side extension to semi-detached house.

    Decided 30 Mar 2023 Lawful development
  • 22/01731/DCH Granted

    28 Melrose Avenue Penylan Cardiff CF23 9AR

    SINGLE STOREY REAR EXTENSION AND ALTERATIONS TO EXISTING SINGLE STOREY UTILITY ROOM TO REAR

    Decided 13 Mar 2023 Lawful development
  • 21/0647/FULL Granted

    31 Ffordd Y Maes Caerphilly CF83 2DA

    Erect single storey pitched roof side extension

    Decided 27 Aug 2021 Full applications
  • 21/01213/DCH Granted

    30 Butleigh Avenue Canton Cardiff CF5 1BZ

    SINGLE STOREY SIDE AND REAR EXTENSION

    Decided 8 Jul 2021 Householder

4 more applications on 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.