Chy Avallon, Church Road, Llanblethian, Cowbridge Data via plota.co.uk

2026/00164/FUL - Full Planning Application Approved

Proposal

Demolition of existing covered porch to the utility room, rebuilding the porch to provide porch link corridor to the new garage. Building new garage with home office space above, installing integrated solar panels on the rear garage roof. Alterations to main parking area and parts of the garden. Data via plota.co.uk

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View original council record ↗Last checked 13 Sept 2026, 10:17

Application progress

✓

Received

26 Feb 2026

✓

Validated

9 Jul 2026

✓

Approved

9 Sept 2026

Approved on 9 Sept 2026 · Delegated · Last checked 13 Sept 2026

Documents 63

Decision & officer reports 1

PDF Approved Details Decision Notice · 9 Sept 2026 View ↗

Statements & assessments 2

PDF P11A Green Infrastructure Statement Amended Details · 3 Jun 2026 View ↗ PDF P11 Green Infrastructure Statement Superseded Details · 20 Mar 2026 View ↗

Plans & drawings 34

Application forms 1

PDF Householder Application Form Forms · 4 Jun 2026 View ↗

Consultation & comments 20

PDF Commenter’s name hidden Show Neighbour Response · 31 Jul 2026 View ↗

PDF Cowbridge Town Hall, Cowbridge Public comment 29/07/2026 Consultee Response · 29 Jul 2026 View ↗

PDF Commenter’s name hidden Show Neighbour Response · 25 Jul 2026 View ↗

PDF Commenter’s name hidden Show Neighbour Response · 16 Jul 2026 View ↗

PDF Commenter’s name hidden Show Neighbour Response · 14 Jul 2026 View ↗

PDF Commenter’s name hidden Show Neighbour Response · 9 Jul 2026 View ↗

PDF Neighbour Response Hannah Bates · 3 Jul 2026 View ↗

PDF Commenter’s name hidden Show Neighbour Response · 3 Jul 2026 View ↗

PDF Commenter’s name hidden Show Neighbour Response · 2 Jul 2026 View ↗

PDF Commenter’s name hidden Show Neighbour Response · 1 Jul 2026 View ↗

PDF Cowbridge Town Hall Public comment 24/06/2026 Consultee Response · 24 Jun 2026 View ↗ PDF Town Hall , Cowbridge Consultee Response · 29 Apr 2026 View ↗

Site constraints 4

50 listed buildings within 150 m of the postcode pin

Nearest: 50 High Street, Grade II, about 5 m from the postcode pin · 1 Grade I, 4 Grade II*, 45 Grade II

The site itself is not listed. Listed building consent is needed for work that affects the special interest of a listed building, inside or out, on top of planning permission. Setting can be a consideration for buildings nearby; there is no fixed radius.

Show all 50 with distances

5 m50 High StreetGrade II
6 m52 High StreetGrade II
17 mFarthings Old Wine HouseGrade II
25 m56 High StreetGrade II
28 mHSBC (Midland Bank)Grade II
30 mRoddam Travel & Watts MorganGrade II
30 mDuke of Wellington PH including Rear Wing to Church StreetGrade II
35 m58 High StreetGrade II
39 m6 & 7 Church StreetGrade II
41 mThe Bear HotelGrade II
41 mVale of Glamorgan Public HouseGrade II
51 mHigh Street GarageGrade II
51 mGate Piers & End Piers, Walls, Railings & Gates at W Entrance to ChurchyardGrade II
54 mBarclays BankGrade II
67 m43 High StreetGrade II
67 mEtcetera and ThreshersGrade II
74 mLloyds ChemistGrade II
79 mWoodcocks and W G DaviesGrade II
80 mXantippeGrade II
82 mChurch of the Holy CrossGrade I
87 mNos. 35, 35a & 35b High StreetGrade II
88 mFormer Coach House to rear of Nos 34 & 36Grade II
97 mThe Old HallGrade II
97 mThe Great HouseGrade II*
98 mLlwyn CelynGrade II
103 mLloyds BankGrade II
105 mCowbridge Grammar SchoolGrade II*
106 mOgmore Vale BakeryGrade II
107 mSE Wall To former Grammar School GardenGrade II
110 mNW Garden Wall to Rose Cottage and SW Garden Walls to Old Hall & Grammar School Garden at SEGrade II
112 mPrincipality Building SocietyGrade II
112 m31 High StreetGrade II
114 m81 High StreetGrade II
118 m29 High StreetGrade II
118 m26Grade II
120 mS, SE & NW Churchyard WallsGrade II
122 mSouth Gate (Porth y Felin)Grade II*
123 mRose Cottage, including forecourt garden wallsGrade II
123 mThe Boot House at Grammar SchoolGrade II
124 m27 High StreetGrade II
126 m22 High StreetGrade II
127 mWoodstock HouseGrade II
127 mMounting Block attached to Nos 25 & 27 High StreetGrade II
134 m20 High StreetGrade II
135 mTelephone Call-box Outside No 23 High StreetGrade II
138 mTown WallsGrade II*
139 mYe Olde Mason's Arms PHGrade II
144 m18 High StreetGrade II
146 mNW Boundary Wall To No 83 High StreetGrade II
147 m23 High StreetGrade II

Cadw ↗

Cowbridge conservation area

Demolition needs planning permission and permitted development is restricted.

The council must give weight to preserving or enhancing the area's character and appearance. Not every council has published its boundaries as open data.

Radon affected area, class 5

An estimated 10 to 30% of homes reach the radon action level. Indicative for the 1 km square, which takes the highest class found in it; a radon test gives the answer for a building.

From the British Geological Survey and UK Health Security Agency indicative atlas. Under building regulations, as the BRE guide BR 211 (2023) sets out, new buildings and extensions need basic radon protection from class 3 in England and Wales and from class 2 in Scotland, and full protection from class 5. The class at the site itself, from the detailed BGS map, decides which.

UKHSA radon ↗

Scheduled monument about 117 m away: South Gate

Its setting is a consideration for work nearby.

Nationally important archaeology protected by the Secretary of State. Work that affects the monument or its setting is rarely permitted.

Not affected

Outside flood zones 2 and 3

Checked on 6 October 2026. The pin for this application is the centre of its postcode rather than the building, so distances to nearby designations are measured from the postcode and can be out by the width of the postcode area. Historic England, the Environment Agency, Natural England, the British Geological Survey and UK Health Security Agency (radon, contains BGS materials © UKRI) and council datasets, Open Government Licence. A boundary can run through a site and the council holds the definitive record: confirm with the council before relying on this.

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