Council planning record

Conversion of outbuildings to form annexe to existing dwelling & associated works

Blaen-y-Cwm-Isaf, Parc. LL23 7YS

All consultations completeReference: NP5/72/223GEryri National Park

Last published check: 3 Oct 2026, 20:39. Check the council record for more recent changes.

Application location

Blaen-y-Cwm-Isaf, Parc. LL23 7YS

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Application summary

Status
All consultations complete
Application type
Full
Received
14 Mar 2025
Validated
Not published
Determination deadline
8 May 2025
Local authority
Eryri National Park

Application overview

Conversion of outbuildings to form annexe to existing dwelling & associated works

Proposal details

Reference
NP5/72/223G
Alternative references
PP-13394354
Parish
Llanycil
Agent
Mr. Osian Jones
UPRN
10024095992

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Documents 16 of 16

DocumentPublishedAction
E110 Sept 2024View
E210 Sept 2024View
C110 Sept 2024View
CS110 Sept 2024View
LL10 Sept 2024View
FF9 Oct 2024View
C29 Oct 2024View
CS29 Oct 2024View
S - Ecoleg / Ecology 16.04.2522 Apr 2025View
S - CNC 29.04.259 May 2025View
S - Cyngor Cymuned4 Jun 2025View
E3 - 04.11.257 Nov 2025View
E2 - 04.11.257 Nov 2025View
CD2 - 04.11.257 Nov 2025View
S - D"{r Cymru / Welsh Water20 Nov 2025View
Rh.P22 Jan 2026View

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.

  1. Received date

    Published milestoneCouncil source
  2. Registration date

    Published milestoneCouncil source
  3. Site notice date

    Published milestoneCouncil source
  4. Site notice end date

    Past published deadline

    A published target or deadline. It does not confirm an outcome.

    Council source
  5. Decision due date

    Past published deadline

    A published target or deadline. It does not confirm an outcome.

    Council source
  6. Consultation expiry date

    Past published deadline

    A published target or deadline. It does not confirm an outcome.

    Council source
  7. Statutory expiry date

    Past published deadline

    A published target or deadline. It does not confirm an outcome.

    Council source
  8. Dispatch date

    Published milestoneCouncil source
  9. Decision date

    Published milestoneCouncil source
  10. Extension date

    Past published deadline

    A published target or deadline. It does not confirm an outcome.

    Council source
  11. Decision expiry date

    Published deadline

    A published target or deadline. It does not confirm an outcome.

    Council source

Decision & conditions

Permitted with conditions
Planning conditions
  1. The development hereby permitted shall be commenced before the expiration of FIVE years from the date of this decision.
  2. Rhaid dechrau'r datblygiad a ganiateir yma cyn pen PUM mlynedd o ddyddiad y penderfyniad hwn.
  3. The development hereby permitted shall be carried out in accordance with the following approved plans: TY-1436-SU03 – Location Plan Rev A (received 4.11.25) TY-1436-PL01B Floor Plan Elevations (received 4.11.25) TY-1436-PL02B Site Plan (received 9.10.25) ENPA GIS (received 4.11.25) N3729 – Structural Report dated Aug 2024.
  4. Mae'n rhaid cyflawni'r datblygiad a ganiateir yma yn unol â'r cynlluniau a gymeradwywyd isod: TY-1436-SU03 – Location Plan Rev A (received 4.11.25) TY-1436-PL01B Floor Plan Elevations (received 4.11.25) TY-1436-PL02B Site Plan (received 9.10.25) ENPA GIS (received 4.11.25) N3729 – Structural Report dated Aug 2024.
  5. The building shall not be occupied other than for purposes ancillary to the residential use of the dwelling known as Blaen-y-Cwm-Isaf and outlined in green on the attached plan.
  6. Ni chaniateir meddiannu'r adeilad ac eithrio at ddibenion ategol i ddefnydd preswyl yr annedd a elwir yn Blaen-y-Cwm-Isaf ac a amlinellir mewn gwyrdd ar y cynllun.
  7. Any development work must be carried out October to March inclusive.
  8. Rhaid cynnal unrhyw waith datblygu rhwng mis Hydref a mis Mawrth.
  9. The biodiversity enhancement measures shown on drawing number PL02B and PL01B and detailed in the submitted Green Infrastructure Statement and section 4 of document entitled “ENPA GIS” shall take place within 3 months of the substantial completion of the development hereby permitted.
  10. Rhaid i'r mesurau gwella bioamrywiaeth a ddangosir argynllun rhif PL02B a PL01B ac a fanylir yn y Datganiad Seilwaith Gwyrdd a gyflwynwyd ac adran 4 o'r ddogfen o'r enw “ENPA GIS” ddigwydd o fewn 3 mis i gwblhau sylweddol y datblygiad a ganiateir drwy hyn.
  11. To Comply with Section 91 (as amended) of the Town and Country Planning Act 1990.
  12. I gydymffurfio a Rhan 91 (fel y diwygiwyd) o'r Ddeddf Gynllunio Gwlad a Thref 1990.
  13. To define the permission and for the avoidance of doubt.
  14. Er mwyn diffinio’r caniatâd ac i osgoi amheuaeth.
  15. To ensure that the development is only used for purposes ancillary to the existing dwelling and to prevent the creation of an unjustified separate dwelling in accordance with the Eryri Local Development Plan 2016-2031 and in particular Policy 14 and SPG 11.
  16. Er mwyn sicrhau mai dim ond ar gyfer dibenion atodol i'r annedd presennol y mae'r datblygiad yn cael ei ddefnyddio ac i atal unrhyw annedd ar wahân na ellir ei gyfiawnhau rhag cael ei greu yn unol â Chynllun Datblygu Lleol Eryri 2016-2031 ac yn benodol Polisi 14 ac CCA 11.
  17. To avoid any impact to protected species and ensure compliance with Strategic Policy D of the adopted Eryri Local Development Plan
  18. Er mwyn osgoi unrhyw effaith ar rywogaethau gwarchodedig a sicrhau cydymffurfiaeth â Pholisi Strategol D o Gynllun Datblygu Lleol Eryri a fabwysiadwyd
  19. To secure biodiversity enhancement in accordance with Strategic Policy D of the adopted Eryri Local Development Plan and paragraph 6.4.5 of Planning Policy Wales
  20. Er mwyn sicrhau gwelliant bioamrywiaeth yn unol â Pholisi Strategol D o Gynllun Datblygu Lleol Eryri a fabwysiadwyd a pharagraff 6.4.5 o Bolisi Cynllunio Cymru
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