House extensions in Brecon Beacons

Brecon Beacons received 161 householder applications in the last 12 months - about 3 a week. Garage works and rear extensions are the most common. Of the 84 decided so far, 75 were approved. If you're planning your own, the applications below show what people nearby applied for and how the council decided.

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Showing 43 of 43 applications
16 Oct 2026 Awaiting decision 26/24980/FUL

Haulfryn Clydach Sir Fynwy NP7 0LZ

Retrofit and Refurbishment works to 1-4, 6, 8 and 17 Haulfryn in the management of Awen Housing Association (MHA). Installation of External Wall Insul...

Full Application Brecon Beacons
14 Oct 2026 Awaiting decision 26/24982/FUL

Graig Halfway Llandovery Carmarthenshire SA20 0SF

Demolition of existing and construction of proposed new single storey extension to side elevation of dwelling house

Full Application Brecon Beacons
8 Oct 2026 Awaiting decision 26/24970/FUL

Llannerch Cottage 1 Sunnyvale Cottages Sunny View Lane Llwyn Du Y Fenni Sir Fynwy NP7 7HY

Change of use of land to residential curtilage and retrospective consent for an outbuilding

Full Application Brecon Beacons
7 Oct 2026 Awaiting decision 26/24955/FUL

29 Brynglas Gilwern Sir Fynwy NP7 0BP

Two storey side extension and all associated works.

Full Application Brecon Beacons
7 Oct 2026 Awaiting decision 26/24787/FUL

4 Belle Vue Gardens Brecon Powys LD3 7NY

Retrospective application for replacement single-storey extension

Full Application Brecon Beacons
6 Oct 2026 Awaiting decision 26/24965/FUL

Sedgemoor Ffawyddog Crickhowell Powys NP8 1PY

Proposed replacement of single-storey and two-storey extensions on a larger footprint. Replace conservatory with open porch. Remove cement roughcast r...

Full Application Brecon Beacons
6 Oct 2026 Awaiting decision 26/24961/FUL

Braehead Mount Street Brecon Powys LD3 7LY

Proposed sunroom to replace conservatory and associated works

Full Application Brecon Beacons
1 Oct 2026 Awaiting decision 26/24948/FUL

Maes Pant Llangadog Carmarthenshire SA19 9UP

Proposed detached workshop / studio

Full Application Brecon Beacons
29 Sept 2026 Awaiting decision 26/24943/FUL

Pendarren House Outdoor Education Centre Llangenni Crickhowell Powys NP8 1HE

Roof maintenance works to the main buildings, including the installation of new clay tiles, stonework repairs and localised replacements to the chimne...

Full Application Brecon Beacons
29 Sept 2026 Awaiting decision 26/24941/FUL

Gurnos Bethlehem Llangadog Sir Gar SA19 9DT

Change of use of attached barn to granny annex with internal connecting door

Full Application Brecon Beacons
28 Sept 2026 Awaiting decision 26/24939/FUL

Brunant Farm Old Trap Road Gilwern Sir Fynwy NP7 0HW

Proposed new bat house and associated works

Full Application Brecon Beacons
25 Sept 2026 Awaiting decision 26/24936/FUL

Miradale 3 Orchard Lane Crickhowell Powys NP8 1BU

Proposed single storey extension to front of property, proposed detached garage in front driveway and construction of new dormas in existing roof requ...

Full Application Brecon Beacons
25 Sept 2026 Awaiting decision 26/24937/FUL

7 Llanwenarth View Govilon Sir Fynwy NP7 9PL

Demolition of the existing detached garage and construction of a replacement first-floor extension, set back from the existing front elevation, togeth...

Full Application Brecon Beacons
24 Sept 2026 Awaiting decision 26/24747/FUL

Tygwyn Fawr Bethlehem Road Llandeilo Carmarthenshire SA19 6US

Proposed new canopy to main entrance and rear from kitchen. Alterations to fenestration.

Full Application Brecon Beacons
24 Sept 2026 Awaiting decision 26/24934/CPL

Flat 7 & Flat 8 Court View Hoggan Park Brecon LD3 9TJ

Proposed amalganation and reconfiguration of 2no apartments to create a 4 bedroom supported living appartment (Use Class C3)

Certificate Proposed Lawful Use/Dev Brecon Beacons
22 Sept 2026 Awaiting decision 26/24911/FUL

Govilon Activity Centre School Lane Govilon Monmouthshire NP7 9RH

Proposed re-roofing and installation of Solar panels.

Full Application Brecon Beacons
18 Sept 2026 Awaiting decision 26/24917/FUL

The Rectory Brecon Powys LD3 7UX

Single storey rear extension and 1.5 storey side extension containing a new garage and ancillary annexe, connected to the existing dwelling by a singl...

Full Application Brecon Beacons
17 Sept 2026 Awaiting decision 26/24915/CPL

Old Rectory Talgarth Brecon Powys LD3 0AR

Certificate of lawful development for the proposed siting of an oak framed caravan, to be used as ancillary accommodation, within the domestic garden ...

Certificate Proposed Lawful Use/Dev Brecon Beacons
16 Sept 2026 Awaiting decision 26/24854/LBC

2 Dainter Place Brecon Powys LD3 9DU

Replacement of bathroom window.

Listed Building Consent Brecon Beacons
15 Sept 2026 Awaiting decision 26/24652/FUL

Land Adj To Tall Trees Waenllapria Llanelly Hill Monmouthshire NP7 0PS

Erection of a flat roofed double garage to be used for general storage and for cars (Part Retrospective)

Full Application Brecon Beacons
4 Sept 2026 Approved 20 Oct 25/24094/FUL

The Cottage Maesygwartha Road Maesygwartha Monmouthshire NP7 0EU

Renovate the outbuilding that is presently ancillary to the host building

Full Application Brecon Beacons
1 Sept 2026 Awaiting decision 26/24889/FUL

Pendarren Llangynidr Crickhowell Powys NP8 1NA

Alterations and extensions to an existing dwelling, including replacement single-storey side and rear extensions, associated internal alterations, lan...

Full Application Brecon Beacons
1 Sept 2026 Awaiting decision 26/24887/LBC

Poplar House Broad Street Hay-on-wye Hereford Powys HR3 5DB

Retention and reinstatement of timber sash windows and associated works.

Listed Building Consent Brecon Beacons
28 Aug 2026 Approved 19 Oct 26/24885/FUL

The Kennels Lower Common Gilwern Monmouthshire NP7 0EE

Replacing existing flat roof section of house with hipped roof to match existing dwelling.

Full Application Brecon Beacons
26 Aug 2026 Decided 26/24875/FRI

The Pentre Brecon Road Llanwenarth Monmouthshire NP7 7HA

Alterations and repairs, new extensions, reversal of modern alterations, replacement windows and forming new doorways. The application also incorporat...

Fringe Consultation Brecon Beacons
26 Aug 2026 Decided 26/24876/FRI

The Pentre Brecon Road Llanwenarth Monmouthshire NP7 7HA

Alterations and repairs, new extensions, reversal of modern alterations, replacement windows and forming new doorways. The application also incorporat...

Fringe Consultation Brecon Beacons
26 Aug 2026 Awaiting decision 26/24877/FUL

Ty Pentre Myddfai Carmarthenshire SA20 0PQ

Proposed rear single storey extension to replace existing single storey upvc roofed extension

Full Application Brecon Beacons
25 Aug 2026 Awaiting decision 26/24870/FUL

3 Club Row Clydach Monmouthshire NP7 0NE

Proposed Front Elevation Conservatory

Full Application Brecon Beacons
21 Aug 2026 Awaiting decision 26/24828/FUL

Cae Ffynnon Llanbedr Crickhowell Powys NP8 1SY

1. The installation of a number of solar panels on south facing roof. 2. The installation of two velux windows on the south facing side of the roof an...

Full Application Brecon Beacons
20 Aug 2026 Awaiting decision 26/24860/FUL

Cwrt-y-gollen Camp Deans Drive Cwrt Y Gollen Crickhowell Powys NP8 1TH

Proposed Cycle Store Extension

Full Application Brecon Beacons
20 Aug 2026 Awaiting decision 26/24863/FUL

Pencader Heol Y Castell Crughywel Powys NP8 1AP

Erection of a double storey rear extension with single storey wrap around to side. Loft conversion comprising of a new dormer window to match new oak ...

Full Application Brecon Beacons
19 Aug 2026 Awaiting decision 26/24861/FUL

Cwrt-y-Gollen Camp Deans Drive Cwrt Y Gollen Crickhowell Powys NP8 1TH

Proposed Ablution Block Extension

Full Application Brecon Beacons
14 Aug 2026 Awaiting decision 26/24853/FUL

The Held Cantref Brecon Powys LD3 8LT

Construction of a detached three-bay garage.

Full Application Brecon Beacons
14 Aug 2026 Awaiting decision 26/24852/LBC

Nursery And Premises Buckingham Place Brecon Powys LD3 7DL

Replacement of all existing windows to the front and rear elevations, together with the front entrance door, guttering and fascia boards, refurbishmen...

Listed Building Consent Brecon Beacons
12 Aug 2026 Awaiting decision 26/24829/FUL

The Coach House Glangrwyney Court Llangenny Crickhowell Powys NP8 1ES

Carry out improvements and enhancements to the existing ancillary accommodation and related services along with provision of enhanced ecological provi...

Full Application Brecon Beacons
12 Aug 2026 Awaiting decision 26/24830/LBC

The Coach House Glangrwyney Court Llangenny Crickhowell Powys NP8 1ES

Carry out improvements and enhancements to the existing ancillary accommodation and related services along with provision of enhanced ecological provi...

Listed Building Consent Brecon Beacons
10 Aug 2026 Awaiting decision 26/24843/LBC

Tymawr Libanus Brecon Powys LD3 8NH

Strengthening of building and adaptations to create and improve bat roost.

Listed Building Consent Brecon Beacons
10 Aug 2026 Awaiting decision 26/24842/CAC

St Mary's Church St Marys Street Brecon Powys

Proposed removal of boundary wall and fencing to open up the space and enhancements to the memorial garden. Works associated with lowering Steeple Lan...

Conservation Area Consent Brecon Beacons
10 Aug 2026 Awaiting decision 26/24840/LBC

The Coach House Bell Lane Brecon Powys

Emergency work to roof covering and structure, external walls, flooring and structural frame to prevent further deterioration from excessive movement

Listed Building Consent Brecon Beacons
7 Aug 2026 Awaiting decision 26/24701/FUL

Great Triley West Great Triley Road Llantilio Pertholey Abergavenny Monmouthshire NP7 8AT

Proposal is to extend existing wooden stable building by 30sqm (over the 10sqm allowable under permitted development 20m from house within Article 1(5...

Full Application Brecon Beacons
3 Aug 2026 Awaiting decision 26/24809/FUL

24 Charles St Brecon LD4 7HF

Replacing the wooden front door with a PVC one, and replacing the wooden windows with double glazed PVC ones with a higher rating.

Full Application Brecon Beacons
30 Jul 2026 Approved 18 Sep 26/24806/FUL

8 Fairhome Gilwern Abergavenny Monmouthshire NP7 0BA

Proposed 2 storey side extension to include intergrated garage and single storey rear extension

Full Application Brecon Beacons
30 Jul 2026 Refused 21 Sep 26/24623/FUL

Land East Of Coed Y Bryn Talgarth Brecon Powys LD3 0DF

Retrospective change of use from agricultural use to health and wellbeing use and construction of two timber cabins associated with the proposed use.

Full Application Brecon Beacons
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Frequently asked questions

When do you need planning permission for a house extension?
Single-storey rear extensions up to 4m (detached) or 3m (semi-detached / terraced) are usually permitted development. Two-storey extensions, anything in a conservation area, or larger projects almost always need a planning application.
What's the difference between planning permission and permitted development?
Permitted development rights let you build certain things without applying for planning permission, subject to specified limits. Anything outside those limits, whether taller, larger or in a protected area, needs full planning permission.
How long does a householder application take?
The statutory target is 8 weeks from validation. Most simple householder extensions are decided within that window; complex or contested cases, especially those drawing a lot of comments, can take longer.
Can I get email alerts for new extensions applications in Brecon Beacons?
Yes. Click "Set up alerts" on this page and you'll get a daily or weekly email listing every new extensions application published by Brecon Beacons. You can also narrow the alert to a postcode, street, or drawn area.

We check Brecon Beacons's planning portal daily. New extensions applications appear here within a day of being published.