Demolition plans in Glamorgan

76 demolition applications were submitted in Glamorgan in the last 12 months, from garages and outbuildings to whole buildings. Of the 53 decided so far, 47 were approved. Demolish-and-rebuild schemes also appear under planned new homes.

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Showing 19 of 19 applications
14 Oct 2026 Awaiting Consultation Responses 2026/00058/FUL

Penyrheol, Treoes

2 storey rear extension to comprise living room to ground floor and bedroom. En suite to first floor, erection of new garage and vehicular access

Full Planning Application Glamorgan
6 Oct 2026 Awaiting Consultation Responses 2026/00751/FUL

2 Maes-y-ffynon, Bonvilston

Demolition of existing boiler room/log store annex, and the erection of a new single storey side extension.

Full Planning Application Glamorgan
6 Oct 2026 Awaiting Consultation Responses 2026/00631/FUL

33 Eastgate, Cowbridge

Demolish the existing rear Garage, build new unit in the same position with additional area for home office.

Full Planning Application Glamorgan
28 Sept 2026 Awaiting Consultation Responses 2026/00731/FUL

13 Wood Street, Penarth

Rebuilding our old brick garage and convert it to a garden summer room

Full Planning Application Glamorgan
24 Sept 2026 Awaiting Consultation Responses 2026/00726/FUL

The Cottage, 79 Cog Road, Sully

The proposed demolition and the rebuild of a garden room.

Full Planning Application Glamorgan
22 Sept 2026 Awaiting Consultation Responses 2026/00280/FUL

Tudor Bungalow, Cowbridge Road, Ystradowen

Demolition of bungalow and detached garage and development of replacement dwelling and detached garage, landscaping, boundary treatments and associate...

Full Planning Application Glamorgan
18 Sept 2026 Awaiting Consultation Responses 2026/00715/FUL

1 St Davids Avenue, Dinas Powys

Demolition of garage and garden wall, erection of a single storey mono pitch side extension.

Full Planning Application Glamorgan
2 Sept 2026 Awaiting Consultation Responses 2026/00653/FUL

Clive Arms Hotel, 31 John Street, Penarth

Change of use from public house to three storey single dwelling, with partial demolition, external amenities and all associated works

Full Planning Application Glamorgan
21 Aug 2026 Awaiting Consultation Responses 2026/00627/FUL

128, Colcot Road, Barry

Demolition of the existing garage and the construction of an additional floor above the existing ground floor accomodation to create a two storey fami...

Full Planning Application Glamorgan
21 Aug 2026 Awaiting Consultation Responses 2026/00626/FUL

Ashdene, Factory Road, Llanblethian

Demolition of poor quality rear single storey extension. Construction of 2 storey side extension designed to match the character of the existing house...

Full Planning Application Glamorgan
21 Aug 2026 INVALID - Fee Only 2026/00477/LAW

Highways, 59 Broadway, Llanblethian, Cowbridge

Demolition of existing garage & rear conservatory and construction of single storey wrap around extension

Lawful Use or Development application Glamorgan
20 Aug 2026 Withdrawn 2026/00463/LAW

1 St Davids Avenue, Dinas Powys

Demolition of existing garage and garden wall. Erection of single storey side elevation mono-pitch extension

Lawful Use or Development application Glamorgan
19 Aug 2026 Awaiting Consultation Responses 2026/00586/FUL

29, Clevedon Avenue, Sully

Convert existing garage into Annexe to create independent living for a disable family member. Replace exising log cabin with triple garage.

Full Planning Application Glamorgan
17 Aug 2026 Approved 15 Oct 2026/00611/FUL

57 Buttrills Road, Barry

Construction of a granny flat to replace existing garage

Full Planning Application Glamorgan
13 Aug 2026 Approved 15 Sep 2026/00597/FUL

190, Colcot Road, Barry

Demolish existing rear conservatory, construct new single storey, pitched roof kitchen extension. Construct a new garage and garden room on site of ex...

Full Planning Application Glamorgan
11 Aug 2026 Approved 12 Oct 2026/00599/FUL

Jasna, 40 Westbourne Road, Penarth

Demolition of existing detached garage within the rear garden and construction of a replacement garage, together with the erection of a new timber per...

Full Planning Application Glamorgan
7 Aug 2026 Approved 23 Oct 2026/00564/FUL

289 Barry Road, Barry

Demolition of existing garage and erection of two storey side extension.

Full Planning Application Glamorgan
4 Aug 2026 Awaiting Consultation Responses 2026/00574/FUL

Existing Car and Joinery Workshops, Land at Corner of Gilbert Street And Herbert Street, Barry

Proposed new 2 no flats, 1 no. extension to existing workshop, internal refurbishments and minor demolition to afford access to the workshop site on l...

Full Planning Application Glamorgan
29 Jul 2026 Awaiting Consultation Responses 2026/00515/FUL

56 Port Road East, Barry

Roof to existing is to be removed and replaced with new extension at first floor level. A new 2 storey extension is to be constructed to the rear of t...

Full Planning Application Glamorgan
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Frequently asked questions

Do you need planning permission to demolish a building?
Most demolition outside conservation areas is permitted development under Part 11 of the GPDO, but you must submit a prior-approval application covering method and restoration. Demolition of dwellinghouses always needs prior approval, even where permitted development applies.
What is a 'replacement dwelling' application?
Planning permission to demolish an existing dwelling and replace it with a new one. The principle is not automatic: councils assess the replacement against local policy on impact, scale, design and any heritage or rural-character considerations.
Can I get email alerts for new demolition applications in Glamorgan?
Yes. Click "Set up alerts" on this page and you'll get a daily or weekly email listing every new demolition application published by Glamorgan. You can also narrow the alert to a postcode, street, or drawn area.

We check Glamorgan's planning portal daily. New demolition applications appear here within a day of being published.