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 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)
As published by the council, reference 26/0062/COND
Application record
- Reference
- 26/0062/COND
- Type
- Condition Discharge
- Status
- Awaiting decision
- Received
- 26 Jan 2026
- Validated
- 26 Jan 2026
- Ward
- Nelson
- Decision by
- Delegated
Site history
Applications at this address on the Caerphilly register
This site has had 21 applications since 2025: 13 approved, 0 refused.
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26/0561/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 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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26/0041/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)
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25/0870/COND Granted
Twyn Hywel Energy Park Land North-West Of Caerphilly
Discharge condition 38 (Arb Assessment) 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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25/0871/COND Awaiting decision
Twyn Hywel Energy Park Land North-West Of Caerphilly
Discharge condition 38 (Arb Assessment) 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)
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25/0839/NMA Awaiting decision
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 vary the wording of condition 18 (Habitat Management Plan) to change the trigger point
Timeline
Dates from the published record
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26 Jan 2026
Received by Caerphilly
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28 Jul 2026
Added to PlanIndex
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Decision
Awaiting decision
Decision expected by 23 March 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
920 applications on PlanIndex · across 135 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
5 documents on file for this application
- APPLICATION FORM
- SITE LOCATION PLAN
- TELEVISION RECEPTION IMPACT ASSESSMENT
- COVERING LETTER
- DECISION NOTICE 25.0342.NCC
Trade members open them 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 54 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 500 metres
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Twyn Hywel Energy Park Mynydd Eglwysilan Common Bwlch Carnygelli Road Llanfabon
Discharge condition 42 (f) (Noise Immissions) 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 6 docs -
Twyn Hywel Energy
To vary the wording of Condition 18 ( Habitat Management Plan) to allow the construction works, which would not affect the on-site habitat beyond what has already been assessed in the ES, nor the implementation of post-construction habitat management plan, to commence.
Granted Amendments 5 docs -
Land North Of Senghenydd Caerphilly To Be Known As Twyn Hywel Energy Park
100% historically approved · decision due ~5 Aug
Discharge of Condition 39, Micrositing Protocol of DNS/3272053 (Updated THEP Micrositing Protocol Rec. 03/10/25)
Awaiting decision Conditions 10 docs -
Twyn Hywel Wind Farm
Discharge Of Condition 11 (Construction Transport Management Plan) of DNS application ref. DNS/327053
Granted Conditions 5 docs -
Twyn Hywel Wind Farm
100% historically approved · decision due ~29 Sep
Discharge Of Conditions 14 (Highway Condition Surveys) and Condition 15 (Remediation Scheme for Damage) of DNS application ref. DNS/327053 (Updated Information Rec. 06/01/26)
Awaiting decision Conditions 10 docs -
Twyn Hywel Energy Land 16km North Of Cardiff, On The Border Of Caerphilly And Rhondda Cynon Taf (on Mynydd Eglwysilan)
Partial Discharge of Condition 30 (Part A -RBL Remediation) of Planning Permission Ref. 25/0619/RVOC
Granted Conditions 6 docs
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26/0493/COND Granted
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26/0604/COND Awaiting decision
21 Church Street Rhymney Tredegar NP22 5HL
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26/0593/COND Awaiting decision
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Discharge condition 06 (Site Control) of planning consent 25/0814/FULL (Erect residential development consisting of 36 affordable apartments, landscaping, car parking, drainage and associated works)
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26/0306/COND Granted
Glyngaer Farm Glyngaer Road Glyn-gaer Gelligaer Hengoed CF82 8FJ
Discharge conditions 04 (Biodiversity strategy), 05 (Tree Protection Plan) and 06 (Landscaping Scheme) of planning consent 25/0720/HH (Erect two storey side extension and expand existing front porch)
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26/0575/COND Awaiting decision
Ascona Retail Ltd - Shell Service Station Newbridge By-pass Crumlin Newport NP11 4QJ
Discharge conditions 03 (NRW contamination) and 07 (NRW decommissioning) of planning consent 23/0440/FULL (Demolish existing petrol filling station and car sales facilities and replace with new petrol filling station including new underground tanks, canopy, shop, food and drink sales pod, jet wash and associated facilities)