Council planning record

Installation of ground-based air source heat pump to rear

4 Bro Islyn, Trawsfynydd. LL41 4PD

All consultations completeReference: NP5/78/603Eryri National Park

Last published check: 3 Oct 2026, 10:00. Check the council record for more recent changes.

Application location

4 Bro Islyn, Trawsfynydd. LL41 4PD

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Application summary

Status
All consultations complete
Application type
Full
Received
5 Nov 2025
Validated
Not published
Determination deadline
30 Dec 2025
Local authority
Eryri National Park

Application overview

Installation of ground-based air source heat pump to rear

Proposal details

Reference
NP5/78/603
Alternative references
PP-14428861
Ward
Trawsfynydd ED
Parish
Trawsfynydd
Agent
Mr. Connor Allen
UPRN
100100025065

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Documents 11 of 11

DocumentPublishedAction
E1Not publishedView
C2Not publishedView
C1Not publishedView
E2Not publishedView
E3Not publishedView
CSNot publishedView
LLNot publishedView
FFNot publishedView
S - Llygredd Gwynedd / Gwynedd Pollution 18.11.2519 Nov 2025View
E23 Dec 2025View
RhP9 Jan 2026View

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Application timeline

Council milestones and published deadlines. A deadline passing does not confirm a decision.

  1. Application date

    Published milestoneCouncil source
  2. Received date

    Published milestoneCouncil source
  3. Registration date

    Published milestoneCouncil source
  4. Site notice date

    Published milestoneCouncil source
  5. Consultation expiry date

    Past published deadline

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

    Council source
  6. Statutory expiry date

    Past published deadline

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

    Council source
  7. Site notice end date

    Past published deadline

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

    Council source
  8. Decision due date

    Past published deadline

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    Council source
  9. Dispatch date

    Published milestoneCouncil source
  10. Decision date

    Published milestoneCouncil source
  11. Decision expiry date

    Published deadline

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    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: • Location Plan – Dated the 4th of November 2025 • Site Plan (Ref: TQRQM25295171731825) – Dated the 22nd of October 2025 • Existing Elevations (Drawing 01 - Rev A) – Received on the 4th of November 2025 • Proposed Elevations (Drawing 01 – Rev M) – Received on the 4th of November 2025 • Green Infrastructure Statement – Received on the 3rd of December 2025 • Air Source Heat Pump Noise Level Calculation Form – Received the 4th of November 2025
  4. Mae'n rhaid cyflawni'r datblygiad a ganiateir yma yn unol â'r cynlluniau a gymeradwywyd isod: • Location Plan – Dyddiedig 4ydd o Dachwedd 2025 • Site Plan (Ref: TQRQM25295171731825) – Dyddiedig 22ain o Hydref 2025 • Existing Elevations (Drawing 01 - Rev A) – Derbynwyd 4ydd o Dachwedd 20255 • Proposed Elevations (Drawing 01 – Rev M) – Derbynwyd 4ydd o Dachwedd 2025 • Green Infrastructure Statement – Derbynwyd 3ydd o Ragfyr 2025 • Air Source Heat Pump Noise Level Calculation Form – Derbynwyd 4ydd o Dachwedd 2025
  5. The biodiversity enhancements specified in the Green Infrastructure Statement (Received the 3rd of December 2025) hereby approved shall take place within 3 months from the first use of the development. The bird box shall be of a woodcrete/woodstone construction and installed in accordance with the manufacturer's instructions (where applicable) and placed on a north/northeast facing elevation. This biodiversity enhancement shall thereafter be retained for the lifetime of the development; any replacements shall be of an equivalent specification
  6. Rhaid i'r gwelliannau bioamrywiaeth a bennir yn y 'Green Infrastructure Statement' (Derbynwyd 3ydd o Ragfyr 2025) a gymeradwywyd drwy hyn ddigwydd o fewn 3 mis i ddefnydd cyntaf y datblygiad. Rhaid i'r blwch adar fod o adeiladwaith concrit pren/carreg bren a'i osod yn unol â chyfarwyddiadau'r gwneuthurwr (lle bo'n berthnasol) a'i osod ar ddrychiad sy'n wynebu'r gogledd/gogledd-ddwyrain. Rhaid cadw'r gwelliant bioamrywiaeth hwn wedi hynny am oes y datblygiad; rhaid i unrhyw rai newydd fod o fanyleb gyfwerth
  7. If the development hereby approved becomes redundant or obsolete, then the air source heat pump and all associated external equipment and fixtures must be removed within six months of the development ceasing to operate
  8. Os bydd y datblygiad a gymeradwyir drwy hyn yn dod yn ddiangen neu'n hen ffasiwn, yna rhaid cael gwared ar y pwmp gwres ffynhonnell aer a'r holl offer a gosodiadau allanol cysylltiedig o fewn chwe mis i'r datblygiad roi'r gorau i weithredu
  9. To Comply with Section 91 (as amended) of the Town and Country Planning Act 1990.
  10. I gydymffurfio a Rhan 91 (fel y diwygiwyd) o'r Ddeddf Gynllunio Gwlad a Thref 1990.
  11. To define the permission and for the avoidance of doubt.
  12. Er mwyn diffinio’r caniatâd ac i osgoi amheuaeth.
  13. 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
  14. 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
  15. To safeguard the amenities of the area
  16. Er mwyn diogelu amwynderau'r ardal
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