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Kotzmuth Williams Limited

Kotzmuth Williams Limited is an architectural practice in Cardiff. See its accreditations, specialisms and planning track record.

33applications
90%approved
5councils
Full track record →
Active on Companies House
04615043
Architectural Activities
★ 5.0 Google (4)

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Specialisations

Bespoke Design · Modern Buildings · Listed Buildings · Conservation Areas

Service Areas

Cardiff

Reviews

5.0

4 reviews on Google

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Credentials

  • ARB registered
  • RIBA Chartered

Memberships can lapse, so check before work starts.

Planning Application Track Record

33
Applications
90%
Approval Rate
5
Local Authorities

Local Authorities

Bridgend
Cardiff
Glamorgan
Rhondda
Swansea

Planning Application History (33)

32 of 33 applications have a map location
2026/00565/FUL
Replacement of existing conservatory with new orangery
Briar Bank, 10 Beach Road, Penarth
Permitted
Glamorgan2026-07-30
2026/00547/FUL
New garden room in rear garden.
13 Knowbury Avenue, Penarth
Permitted
Glamorgan2026-07-16
2026/00740/FUL
A new detached double garage and annex. A new detached orangery with adjacent outdoor swimming pool. Installation of Solar Panels and Heat pump.
Northcliff Rise, Moulton
Undecided
Glamorgan2026-10-14
2026/00747/FUL
A new shed to the side of the house (northeast) for a golf simulator.
Llanwensan Fach, Peterston Road, Groesfaen
Undecided
Glamorgan2026-10-05
2026/00150/FUL
New slate roof with roof windows, sun tubes and solar panels. New external doors and replacement windows. External aircon and battery units.
Falconhyrst, Bradford Place, Penarth
Permitted
Glamorgan2026-02-20
2005/2611
Conversion and alteration of two attached outbuildings including increase in ridge height of the one to north east elevation, demolition of 6 outbuildings and their replacement with two single storey buildings with links between them and the original farmhouse, widening of access and provision of 5 car parking spaces to facilitate the creation of 3 units of serviced tourist accommodation.
Plenty Farm - Llangennith Swansea SA3 1HU
Permitted
Swansea2005-12-15
2026/00727/FUL
A rear extension on the first floor of the house to provide an additional bedroom with en-suite.
24 Forrest Road, Penarth
Permitted
Glamorgan2026-08-24
22/00128/DCH
ERECTION OF THREE STOREY COACH HOUSE ANNEXE AT THE BACK OF THE GARDEN
82 Cathedral Road Pontcanna Cardiff CF11 9LN
Permitted
Cardiff2022-01-21
17/02983/DCH
PART TWO STOREY, PART SINGLE STOREY REAR EXTENSION AND SINGLE STOREY SIDE EXTENSION
4 Nant-Fawr Crescent Cyncoed Cardiff CF23 6JN
Permitted
Cardiff2017-12-08
22/01693/DCH
REPLACEMENT OF REAR SINGLE STOREY EXTENSION WITH NEW SINGLE STOREY EXTENSION AND REPLACEMENT OF EXISTING OUTBUILDING WITH LARGER PITCH ROOF OUTBUILDING
66 Pembroke Road Canton Cardiff CF5 1QR
Permitted
Cardiff2022-08-10
14/01819/DCH
PART TWO STORY, PART SINGLE STOREY EXTENSION TO REAR OF PROPERTY. EXTENDING EXISTING SINGLE STOREY SIDE EXTENSION
15 ST MICHAEL'S ROAD, LLANDAFF, CARDIFF, CF5 2AL
Permitted
Cardiff2014-07-31
15/00900/DCH
Demolition of two storey flat roof extension and partial demolition of detached garage. New ground floor side extension; new bay to rear and new windows to front, side and rear elevations. Replace flat roof dormer with new pitch roof dormer.
13 DYFRIG STREET, RIVERSIDE, CARDIFF, CF11 9LR
Permitted
Cardiff2015-04-16
15/03093/DCH
DEMOLISH EXISTING SINGLE STOREY REAR EXTENSION AND AND REAR ANNEXE CHIMNEY AND REPLACE WITH NEW SINGLE STOREY EXTENSION
34 CONWAY ROAD, PONTCANNA, CARDIFF, CF11 9NT
Permitted
Cardiff2015-12-16
14/02281/DCH
HIP TO GABLE ROOF EXTENSION TO INCLUDE NEW FLAT ROOF DORMER TO REAR
21 PENCISELY RISE, CANTON, CARDIFF, CF5 1DX
Permitted
Cardiff2014-10-02
15/00184/MNR
DEMOLITION OF EXISTING SINGLE STOREY LINK BETWEEN 149 AND 151 CATHEDRAL ROAD. CHANGE OF USE OF 149 TO PRIVATE RESIDENCE. 151 TO REMAIN AS HOTEL.
THE ABBEY HOTEL, 149-151 CATHEDRAL ROAD, RIVERSIDE, CARDIFF, CF11 9PJ
Permitted
Cardiff2015-01-27
16/01469/DCH
BUILD A 1ST FLOOR OVER EXISTING GARAGE; EXTEND GROUND FLOOR UTILITY ROOM ON THE REAR, NEW DECKING TO REAR AND NEW PORCH
3 Meadow Close Cyncoed Cardiff CF23 6QB
Permitted
Cardiff2016-06-15
13/01686/DCH
DEMOLISH SINGLE STOREY REAR EXTENSION; BUILD NEW LARGER REAR SINGLE STOREY EXTENSION, LOFT CONVERSION WITH REAR ROOFLIGHTS, INSERTION OF TWO SIDE WINDOWS (ONE AT GROUND FLOOR & ONE AT FIRST FLOOR) AND REPLACE ALL EXISTING WINDOWS
1A TEILO STREET, PONTCANNA, CARDIFF, CF11 9JN
Permitted
Cardiff2013-08-19
14/0389/10
Single storey rear extension.
34 LOWER TERRACE, CWMPARC, TREORCHY, CF42 6HP
Permitted
Rhondda2014-04-01
11/0207/10
Proposed development of 10 residential units; detached and semi-detached two storey houses
LAND AT CEMETERY ROAD, BRYN RHODFA, TREORCHY, CF42 6SR
Rejected
Rhondda2011-03-07
14/0389/FUL
Single storey rear extension.
34 Lower Terrace Cwmparc Treorchy CF42 6HP
Permitted
Rhondda2014-04-01
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