Planning application
Twyn Hywel Energy Park Land North-West Of Caerphilly
Still open. Anyone can comment while the consultation period runs, and comments go to the council rather than to us.
Proposal
Discharge conditions 06 (CEMP) and 07 (CWMP) of planning consent 23/0427/DNS (Construct and operate up to 14 wind turbines and associated infrastructure including: hardstanding areas to include turbine foundations, crane hardstanding and laydown/storage area with associated micrositing allowances; electrical substation and control building with underground power cables; new access route connecting onto the A472; onsite access tracks, with pipeline and watercourse crossings; borrow pit(s); anemometer mast; temporary construction and storage compound with associated lay down areas near to the Site entrance; Habitat Management Area; and offsite works to facilitate the movement of abnormal loads such as the construction of over-run areas and temporary modifications to street furniture)
As published by the council, reference 25/0842/COND
Application record
- Reference
- 25/0842/COND
- Type
- Condition Discharge
- Status
- Awaiting decision
- Received
- 26 Nov 2025
- Validated
- 27 Nov 2025
- Ward
- Nelson
- Decision by
- Delegated
Site history
Applications at this address on the Caerphilly register
This site has had 23 applications since 2025: 14 approved, 0 refused.
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26/0622/NMA Awaiting decision
Twyn Hywel Energy Park Land North-West Of Caerphilly
Seek approval of a non-material amendment to planning consent 25/0342/NCC (Vary condition 2 of 23/0427/DNS (Construct and operate up to 14 wind turbines and associated infrastructure including: hardstanding areas to include turbine foundations, crane hardstanding and laydown/storage area with associated micrositing allowances; electrical substation and control building with underground power cables; new access route connecting onto the A472; onsite access tracks, with pipeline and watercourse crossings; borrow pit(s); anemometer mast; temporary construction and storage compound with associated lay down areas near to the Site entrance; Habitat Management Area; and offsite works to facilitate the movement of abnormal loads such as the construction of over-run areas and temporary modifications to street furniture) to amend the approved plans to increase the rotor diameter of the wind turbines, increase the height of the on-site transformer, and enlarge the grid connection corridor) to amend the wording of Condition 42 (f)
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26/0628/COND Awaiting decision
Twyn Hywel Energy Park Land North-West Of Caerphilly
Discharge condition 12 (AIL Highway Assessment) & 16 (AIL Highway Works) of Planning consent 25/0342/NCC (Vary condition 2 of 23/0427/DNS (Construct and operate up to 14 wind turbines and associated infrastructure including: hardstanding areas to include turbine foundations, crane hardstanding and laydown/storage area with associated micrositing allowances; electrical substation and control building with underground power cables; new access route connecting onto the A472; onsite access tracks, with pipeline and watercourse crossings; borrow pit(s); anemometer mast; temporary construction and storage compound with associated lay down areas near to the Site entrance; Habitat Management Area; and offsite works to facilitate the movement of abnormal loads such as the construction of over-run areas and temporary modifications to street furniture) to amend the approved plans to increase the rotor diameter of the wind turbines, increase the height of the on-site transformer, and enlarge the grid connection corridor)
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26/0561/NMA Granted
Twyn Hywel Energy Park Land North-West Of Caerphilly
Seek approval of a non material amendment to planning consent 25/0342/NCC (Vary condition 2 of 23/0427/DNS (Construct and operate up to 14 wind turbines and associated infrastructure including: hardstanding areas to include turbine foundations, crane hardstanding and laydown/storage area with associated micrositing allowances; electrical substation and control building with underground power cables; new access route connecting onto the A472; onsite access tracks, with pipeline and watercourse crossings; borrow pit(s); anemometer mast; temporary construction and storage compound with associated lay down areas near to the Site entrance; Habitat Management Area; and offsite works to facilitate the movement of abnormal loads such as the construction of over-run areas and temporary modifications to street furniture) to amend the approved plans to increase the rotor diameter of the wind turbines, increase the height of the on-site transformer, and enlarge the grid connection corridor) to vary the wording of condition 37 (PROW) to include the below wording: Following the application of the micro-siting protocol (condition 39), if the location of turbine 7 (as shown on ES Figure 4.1a: Infrastructure Layout) would mean that the blades of turbine 7 oversail the public right of way (GELI/BWY117E/1) then no blades can be erected on turbine 7 until the public right of way has been diverted to ensure the blades do not oversail
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26/0524/COND Awaiting decision
Twyn Hywel Energy Park Land North-West Of Caerphilly
Discharge condition 06 (CEMP) of planning consent 25/0342/NCC (Vary condition 2 of 23/0427/DNS (Construct and operate up to 14 wind turbines and associated infrastructure including: hardstanding areas to include turbine foundations, crane hardstanding and laydown/storage area with associated micrositing allowances; electrical substation and control building with underground power cables; new access route connecting onto the A472; onsite access tracks, with pipeline and watercourse crossings; borrow pit(s); anemometer mast; temporary construction and storage compound with associated lay down areas near to the Site entrance; Habitat Management Area; and offsite works to facilitate the movement of abnormal loads such as the construction of over-run areas and temporary modifications to street furniture) to amend the approved plans to increase the rotor diameter of the wind turbines, increase the height of the on-site transformer, and enlarge the grid connection corridor)
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26/0395/COND Granted
Twyn Hywel Energy Park Land North-West Of Caerphilly
Discharge condition 26 (SI stability) of planning consent 25/0342/NCC(Vary condition 2 of 23/0427/DNS (Construct and operate up to 14 wind turbines and associated infrastructure including: hardstanding areas to include turbine foundations, crane hardstanding and laydown/storage area with associated micrositing allowances; electrical substation and control building with underground power cables; new access route connecting onto the A472; onsite access tracks, with pipeline and watercourse crossings; borrow pit(s); anemometer mast; temporary construction and storage compound with associated lay down areas near to the Site entrance; Habitat Management Area; and offsite works to facilitate the movement of abnormal loads such as the construction of over-run areas and temporary modifications to street furniture) to amend the approved plans to increase the rotor diameter of the wind turbines, increase the height of the on-site transformer, and enlarge the grid connection corridor)
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26/0279/COND Granted
Twyn Hywel Energy Park Land North-West Of Caerphilly
Discharge condition 22 (Borrow pits) of planning consent 25/0342/NCC (Vary condition 2 of 23/0427/DNS (Construct and operate up to 14 wind turbines and associated infrastructure including: hardstanding areas to include turbine foundations, crane hardstanding and laydown/storage area with associated micrositing allowances; electrical substation and control building with underground power cables; new access route connecting onto the A472; onsite access tracks, with pipeline and watercourse crossings; borrow pit(s); anemometer mast; temporary construction and storage compound with associated lay down areas near to the Site entrance; Habitat Management Area; and offsite works to facilitate the movement of abnormal loads such as the construction of over-run areas and temporary modifications to street furniture) to amend the approved plans to increase the rotor diameter of the wind turbines, increase the height of the on-site transformer, and enlarge the grid connection corridor)
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26/0107/COND Granted
Twyn Hywel Energy Park Land North-West Of Caerphilly
Discharge condition 25 (Hydrogeological) of planning consent 25/0342/NCC (Vary condition 2 of 23/0427/DNS (Construct and operate up to 14 wind turbines and associated infrastructure including: hardstanding areas to include turbine foundations, crane hardstanding and laydown/storage area with associated micrositing allowances; electrical substation and control building with underground power cables; new access route connecting onto the A472; onsite access tracks, with pipeline and watercourse crossings; borrow pit(s); anemometer mast; temporary construction and storage compound with associated lay down areas near to the Site entrance; Habitat Management Area; and offsite works to facilitate the movement of abnormal loads such as the construction of over-run areas and temporary modifications to street furniture) to amend the approved plans to increase the rotor diameter of the wind turbines, increase the height of the on-site transformer, and enlarge the grid connection corridor)
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26/0062/COND Awaiting decision
Twyn Hywel Energy Park Land North-West Of Caerphilly
Discharge condition 28 (TV interference) of planning consent 25/0342/NCC (Vary condition 2 of 23/0427/DNS (Construct and operate up to 14 wind turbines and associated infrastructure including: hardstanding areas to include turbine foundations, crane hardstanding and laydown/storage area with associated micrositing allowances; electrical substation and control building with underground power cables; new access route connecting onto the A472; onsite access tracks, with pipeline and watercourse crossings; borrow pit(s); anemometer mast; temporary construction and storage compound with associated lay down areas near to the Site entrance; Habitat Management Area; and offsite works to facilitate the movement of abnormal loads such as the construction of over-run areas and temporary modifications to street furniture) to amend the approved plans to increase the rotor diameter of the wind turbines, increase the height of the on-site transformer, and enlarge the grid connection corridor)
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26/0041/COND Awaiting decision
Twyn Hywel Energy Park Land North-West Of Caerphilly
Discharge conditions 14 (Condition Highway Survey) and 15 (Highway damage remediation scheme) of planning consent 25/0342/NCC (Vary condition 2 of 23/0427/DNS (Construct and operate up to 14 wind turbines and associated infrastructure including: hardstanding areas to include turbine foundations, crane hardstanding and laydown/storage area with associated micrositing allowances; electrical substation and control building with underground power cables; new access route connecting onto the A472; onsite access tracks, with pipeline and watercourse crossings; borrow pit(s); anemometer mast; temporary construction and storage compound with associated lay down areas near to the Site entrance; Habitat Management Area; and offsite works to facilitate the movement of abnormal loads such as the construction of over-run areas and temporary modifications to street furniture) to amend the approved plans to increase the rotor diameter of the wind turbines, increase the height of the on-site transformer, and enlarge the grid connection corridor)
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26/0018/COND Granted
Twyn Hywel Energy Park Land North-West Of Caerphilly
Discharge condition 39 (Micrositing) of planning consent 25/0342/NCC (Vary condition 2 of 23/0427/DNS (Construct and operate up to 14 wind turbines and associated infrastructure including: hardstanding areas to include turbine foundations, crane hardstanding and laydown/storage area with associated micrositing allowances; electrical substation and control building with underground power cables; new access route connecting onto the A472; onsite access tracks, with pipeline and watercourse crossings; borrow pit(s); anemometer mast; temporary construction and storage compound with associated lay down areas near to the Site entrance; Habitat Management Area; and offsite works to facilitate the movement of abnormal loads such as the construction of over-run areas and temporary modifications to street furniture) to amend the approved plans to increase the rotor diameter of the wind turbines, increase the height of the on-site transformer, and enlarge the grid connection corridor)
Timeline
Dates from the published record
-
26 Nov 2025
Received by Caerphilly
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27 Nov 2025
Validated
Checked as complete and ready for consideration.
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28 Jul 2026
Added to PlanIndex
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Decision
Awaiting decision
Decision expected by 22 January 2026, 8 weeks from validation under the statutory target for most applications. Extensions of time are common and are agreed case by case.
Caerphilly took a median of 55 days over the applications it decided in the last year.
Who's behind it
Company information only, from the register and Companies House
Savills (UK) Ltd Agent, registered in London
Active · incorporated 1991 · London
1,138 applications on PlanIndex · across 155 councils · 94% granted
Trade members see everything this firm has filed, how it was decided, and get an email the day it files again.
See their track recordTwyn Hywel Energy Park Ltd Applicant, registered in Cardiff
Active · incorporated 2020 · Cardiff
38 applications on PlanIndex · across 2 councils · 100% granted
Trade members see everything this firm has filed, how it was decided, and get an email the day it files again.
See their track recordDocuments
Plans, drawings, consultee responses and the officer's report
15 documents on file for this application
- NATURAL RESOURCES WALES COMMENTS
- SENIOR ENGINEER (DRAINAGE) COMMENTS
- CONSTRUCTION ENVIRONMENTAL MANAGEMENT PLAN - SCHEDULE OF RESPONSES
- AMENDED CONSTRUCTION ENVIRONMENTAL MANAGEMENT PLAN
- NATURAL RESPOURCES WALES COMMENTS
- SENIOR ENGINEER (DRAINAGE) COMMENTS
- ENVIRONMENTAL HEALTH RESPONSE
- AMENDED COVERING LETTER
- STAGE 2 SOIL AND PEAT MANAGEMENT PLAN 1 OF 4
- STAGE 2 SOIL AND PEAT MANAGEMENT PLAN 2 OF 4
- STAGE 2 SOIL AND PEAT MANAGEMENT PLAN 3 OF 4
- STAGE 2 SOIL AND PEAT MANAGEMENT PLAN 4 OF 4
- APPLICATION FORM
- LOCATION PLAN
- DECISION - 23/0427/DNS
Watch members (£5 a month) open the document list from here.
Open the documentsWhat happens while it is decided
This application is with Caerphilly for determination, against a statutory target of eight weeks. Over the last year Caerphilly decided condition discharge and variation applications in a median of 55 days. More in our guide to how long planning decisions take.
About condition discharge and variation applications
This application deals with conditions on an existing permission, supplying the details a condition requires or asking to vary or remove one, without reopening the permission itself. More in our guide to planning application types.
Nearby applications
Within 0.3 miles
-
Mynydd Eglwysilan Common Bwlch Carnygelli Road Llanfabon
86% historically approved · decision due ~8 Apr
Seek approval of a non-material amendment to planning consent 23/0427/DNS (Welsh Ministers Consent DNS/3272053) (Construct and operate up to 14 wind turbines and associated infrastructure including: hardstanding areas to include turbine foundations, crane hardstanding and laydown/storage area with associated micrositing allowances; electrical substation and control building with underground power cables; new access route connecting onto the A472; onsite access tracks, with pipeline and watercourse crossings; borrow pit(s); anemometer mast; temporary construction and storage compound with associated lay down areas near to the Site entrance; Habitat Management Area; and offsite works to facilitate the movement of abnormal loads such as the construction of over-run areas and temporary modifications to street furniture) to amend the wording of conditions 08,17, 38 and 39
Awaiting decision Amendments 3 docs -
Twyn Hywel Energy Park Land North-West Of Caerphilly
86% historically approved · decision due ~22 Jan
Seek approval of a non material amendment to planning consent 23/0427/DNS (Construct and operate up to 14 wind turbines and associated infrastructure including: hardstanding areas to include turbine foundations, crane hardstanding and laydown/storage area with associated micrositing allowances; electrical substation and control building with underground power cables; new access route connecting onto the A472; onsite access tracks, with pipeline and watercourse crossings; borrow pit(s); anemometer mast; temporary construction and storage compound with associated lay down areas near to the Site entrance; Habitat Management Area; and offsite works to facilitate the movement of abnormal loads such as the construction of over-run areas and temporary modifications to street furniture) to vary the wording of condition 18 (Habitat Management Plan) to change the trigger point
Awaiting decision Amendments 4 docs -
Mynydd Eglwysilan Common Bwlch Carnygelli Road Llanfabon
Discharge condition 17 (Details of means of access ) of planning consent 23/0427/DNS (Construct and operate up to 14 wind turbines and associated infrastructure including: hardstanding areas to include turbine foundations, crane hardstanding and laydown/storage area with associated micrositing allowances; electrical substation and control building with underground power cables; new access route connecting onto the A472; onsite access tracks, with pipeline and watercourse crossings; borrow pit(s); anemometer mast; temporary construction and storage compound with associated lay down areas near to the Site entrance; Habitat Management Area; and offsite works to facilitate the movement of abnormal loads such as the construction of over-run areas and temporary modifications to street furniture)
Granted Conditions 7 docs -
Twyn Hywel Energy Park Land North-West Of Caerphilly
Discharge conditions 06 (CEMP) and 07 (CWMP) of planning consent 25/0342/NCC (Vary condition 2 of 23/0427/DNS (Construct and operate up to 14 wind turbines and associated infrastructure including: hardstanding areas to include turbine foundations, crane hardstanding and laydown/storage area with associated micrositing allowances; electrical substation and control building with underground power cables; new access route connecting onto the A472; onsite access tracks, with pipeline and watercourse crossings; borrow pit(s); anemometer mast; temporary construction and storage compound with associated lay down areas near to the Site entrance; Habitat Management Area; and offsite works to facilitate the movement of abnormal loads such as the construction of over-run areas and temporary modifications to street furniture) to amend the approved plans to increase the rotor diameter of the wind turbines, increase the height of the on-site transformer, and enlarge the grid connection corridor)
Granted Conditions 17 docs -
Twyn Hywel Energy Park Land North-West Of Caerphilly
Seek approval of a non material amendment to planning consent 23/0427/DNS (Construct and operate up to 14 wind turbines and associated infrastructure including: hardstanding areas to include turbine foundations, crane hardstanding and laydown/storage area with associated micrositing allowances; electrical substation and control building with underground power cables; new access route connecting onto the A472; onsite access tracks, with pipeline and watercourse crossings; borrow pit(s); anemometer mast; temporary construction and storage compound with associated lay down areas near to the Site entrance; Habitat Management Area; and offsite works to facilitate the movement of abnormal loads such as the construction of over-run areas and temporary modifications to street furniture) to amend the wording of condition 22 (Borrow Pit Restoration Plan) to allow the construction works which would not impact upon the borrow pits to commence
Granted Amendments 6 docs -
Mynydd Eglwysilan Common Bwlch Carnygelli Road Llanfabon
100% historically approved · decision due ~29 Sep
Discharge conditions 14 (Highways Condition Survey) and 15 (Remediation scheme for damage) of planning consent 23/0427/DNS (Construct and operate up to 14 wind turbines and associated infrastructure including: hardstanding areas to include turbine foundations, crane hardstanding and laydown/storage area with associated micrositing allowances; electrical substation and control building with underground power cables; new access route connecting onto the A472; onsite access tracks, with pipeline and watercourse crossings; borrow pit(s); anemometer mast; temporary construction and storage compound with associated lay down areas near to the Site entrance; Habitat Management Area; and offsite works to facilitate the movement of abnormal loads such as the construction of over-run areas and temporary modifications to street furniture)
Awaiting decision Conditions 7 docs
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26/0644/COND Awaiting decision
Y Fron Mountain View Pwllypant Caerphilly CF83 3HW
Discharge condition 07 (Landscaping) of planning consent 25/0382/NCC (Vary conditions 02 (Plans) and 03 (Approval of the Proposed Amendments of Some of External Materials) of planning consent 20/0634/COU (Change use and erect extension at Y Fron from Guest House (C1) to HMO to be used for Emergency Housing/Move on Accommodation (Sui Generis) and associated works) to amend plans)
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26/0506/COND Granted
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Discharge Condition 02 (Parking area materials) of planning consent 26/0314/NCC (Removal of condition 03 (Temporary Permission (12 Months)) of planning consent 25/0063/COU (Change the use of garage (from domestic use to business use) including use of drive in, double gates, single gate and single fence panel))
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26/0641/COND Awaiting decision
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26/0535/COND Granted
Castle Court Silver Street Pontywaun Newport NP11 7DY
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