Understanding planning · 13 min read
Planning application documents: what to read first
Understand planning application documents, officer reports and decision notices. Use a reading checklist, document table and worked example to inspect a case.
Application overview
Retrospective application for erection of single storey side extension
Proposal details
- Reference
- NP4/16/256
- Ward
- Betws-y-Coed and Trefriw ED
- Parish
- Dolwyddelan
- UPRN
- 10035041310
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Sign in to view collected detailsDocuments 8 of 8
| Document | Published | Action |
|---|---|---|
| C1 | 1 Oct 2025 | View |
| LL | 1 Oct 2025 | View |
| FF | 22 Oct 2025 | View |
| S - D"{r Cymru / Welsh Water | 5 Nov 2025 | View |
| S - Priffyrdd LL C / W G Highways | 11 Nov 2025 | View |
| S - Ecoleg / Ecology 12.11.25 | 17 Nov 2025 | View |
| E | 27 Jan 2026 | View |
| S - Ecoleg / Ecology 15.01.26 | 27 Jan 2026 | View |
Documents open on the council website. Browse council documents if a link has changed.
Application timeline
Council milestones and published deadlines. A deadline passing does not confirm a decision.
Consultation expiry date
Past published deadlineA published target or deadline. It does not confirm an outcome.
Council sourceStatutory expiry date
Past published deadlineA published target or deadline. It does not confirm an outcome.
Council sourceDecision due date
Past published deadlineA published target or deadline. It does not confirm an outcome.
Council sourceExtension date
Past published deadlineA published target or deadline. It does not confirm an outcome.
Council sourceDecision expiry date
Published deadlineA published target or deadline. It does not confirm an outcome.
Council source
Decision & conditions
Planning conditions
- The development hereby permitted shall be carried out in accordance with the following approved plans: Drawing no: SH7352 (Ordinance Survey Plan), received: 18 September 2025; Drawing ref: Proposed new side single storey extension, dated: July 2024; and Green Infrastructure Statement, received: 19 January 2026.
- Mae'n rhaid cyflawni'r datblygiad a ganiateir yma yn unol â'r cynlluniau a gymeradwywyd isod: Drawing no: SH7352 (Ordinance Survey Plan), received: 18 September 2025; Drawing ref: Proposed new side single storey extension, dated: July 2024; and Green Infrastructure Statement, received: 19 January 2026.
- Stonework cladding according with the sample, which was inspected and approved on site on 22 September 2025, shall be installed on the front elevation of the extension no later than 3 months from the date of this decision.
- The 2no. bird boxes installed on the north facing rear elevation of the extension hereby approved shall be maintained, or if necessary, replaced like-for-like, in the positions indicated in the amended Green Infrastructure Statement received on 19 January 2026.
- 4) Within 3 months of the date on this decision notice, the 11no. soffit downlights on the west elevation on the extension shall be fitted with luminaires with: • a ‘warm white’ spectrum (2700 Kelvin or lower) to reduce blue light component. • peak wavelengths higher than 550nm to avoid the light component most disturbing to bats; and • no UV component, and shall be maintained as such or replaced like-for-like as necessary for the lifetime of the development.
- No surface water from any increase in the roof area of the building /or impermeable surfaces within its curtilage shall be allowed to drain directly or indirectly to the public sewerage
- Rhaid gosod cladin gwaith maen yn unol â'r sampl, a archwiliwyd a chymeradwywyd ar y safle ar 22 Medi 2025, ar ddrychiad blaen yr estyniad o fewn 3 mis fan bellaf o ddyddiad y penderfyniad hwn.
- Dylid cynnal a chadw'r 2 flychau adar sydd wedi'u gosod ar gefn gogleddol yr estyniad a gymeradwywyd drwy hyn, neu os oes angen, eu disodli'n debyg, yn y safleoedd a nodir yn y Datganiad Seilwaith Gwyrdd diwygiedig a dderbyniwyd ar 19 Ionawr 2026.
- O fewn 3 mis i ddyddiad yr hysbysiad penderfyniad hwn, rhaid gosod goleuadau gyda'r canlynol ar yr 11 o oleuadau soffit ar ddrychiad gorllewinol yr estyniad: • sbectrwm ‘gwyn cynnes’ (2700 Kelvin neu is) i leihau’r gydran golau glas. • tonfeddi brig yn uwch na 550nm i osgoi’r gydran golau sy’n fwyaf aflonyddgar i ystlumod; a • dim uned UV, a rhaid eu cynnal fel y cyfryw neu eu disodli tebyg am debyg yn ôl yr angen am oes y datblygiad.
- Ni chaniateir i unrhyw dd"{r wyneb o unrhyw gynnydd yn arwynebedd to'r adeilad / neu arwynebau anhydraidd o fewn ei gwrtil ddraenio'n uniongyrchol nac yn anuniongyrchol i'r system garthffosiaeth gyhoeddus.
- To define the permission and for the avoidance of doubt.
- Er mwyn diffinio’r caniatâd ac i osgoi amheuaeth.
- To ensure a satisfactory standard of appearance of the development and the use of appropriate building materials, in accordance with Eryri Local Development Plan Policies and in particular policies SP A, DP 1 and DP 6.
- To ensure a net benefit for biodiversity in accordance with Eryri Local Development Plan Policies and in particular Policy SPD.
- To minimise the risk of unacceptable light disturbance to the environment including protected species, neighbouring residential amenity or the amenity of the Park in accordance with Eryri Local Development Plan Policies DP 1, DP 2 and SPD.
- To prevent hydraulic overloading of the public sewerage system, to protect the health and safety of existing residents and ensure no pollution of or detriment to the environment.
- Er mwyn sicrhau safon foddhaol o ran ymddangosiad y datblygiad a defnyddio deunyddiau adeiladu priodol, yn unol â Pholisïau Cynllun Datblygu Lleol Eryri ac yn benodol polisïau SP A, DP 1 a DP 6.
- I sicrhau budd net i fioamrywiaeth yn unol â Pholisïau Cynllun Datblygu Lleol Eryri ac yn benodol Polisi SPD.
- Er mwyn lleihau'r risg o aflonyddwch annerbyniol gan olau i'r amgylchedd gan gynnwys rhywogaethau gwarchodedig, amwynder preswyl cyfagos neu amwynder y Parc yn unol â Pholisïau Cynllun Datblygu Lleol Eryri DP 1, DP 2 ac SPD.
- Er mwyn atal gorlwytho hydrolig y system garthffosiaeth gyhoeddus, er mwyn amddiffyn iechyd a diogelwch trigolion presennol a sicrhau nad oes unrhyw lygredd na niwed i'r amgylchedd.
- Advisories 1) The applicant’s attention is drawn to Dwr Cymru Welsh Water’s consultation response letter dated 15/11/25 and addressed to this Authority.
- Nodyn Cynghori : 1) Tynnir sylw'r ymgeisydd at lythyr ymateb i'r ymgynghoriad gan D"{r Cymru Welsh Water dyddiedig 15/11/25 ac wedi'i gyfeirio at yr Awdurdod hwn.
