HEN GWRT Castle Ditch, Caernarfon, Gwynedd, LL55 2AY Data via plota.co.uk

C26/0540/14/LL - Full Planning In Progress
Utility infrastructure

Proposal

Gosod uned gyddwysydd ar gefn yr adeilad/ Install condenser unit to rear Data via plota.co.uk

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View original council record ↗Last checked

Application progress

✓
Received
8 Sept 2026
✓
Validated
18 Sept 2026
Decision
Expected by 13 Nov 2026

This application is under consideration - no decision has been issued yet. Plota predicts a decision around 27 Feb 2027, from Gwynedd's recent full applications. Comments are open until 19 Oct 2026.

Comment on this application ↗

Documents 13

Plans & drawings 12

PDF 3376-26-D7-Condenser-Detail.pdf Plans · 18 Sept 2026 View ↗ PDF 3376-26-D5-Court-House-Caernarfon-Cellar-Toilets.pdf Plans · 18 Sept 2026 View ↗ PDF 3376-26-1 location plan layout1 (1).pdf Plans · 9 Sept 2026 View ↗ PDF 3376-26-2 site plan layout1 (1).pdf Plans · 9 Sept 2026 View ↗ PDF 3376-26-3 proposed site plan layout1 (1).pdf Plans · 9 Sept 2026 View ↗ PDF 3376-26-4 existing floor plans a2 1-100 layout1 (1).pdf Plans · 9 Sept 2026 View ↗ PDF 3376-26-5 existing first and second floor plans a2 1-100 layout1 (1).pdf Plans · 9 Sept 2026 View ↗ PDF 3376 26 d3 court house ,caernarfon booth seating.pdf Plans · 9 Sept 2026 View ↗ PDF 3376-26-6 existing floor plans a2 1-100 layout1 (1).pdf Plans · 9 Sept 2026 View ↗ PDF 3376-26-6a proposed floor plans change of use a2 1-100 layout1 (1).pdf Plans · 9 Sept 2026 View ↗ PDF 3376-25 detail 2 layout1 (1).pdf Plans · 9 Sept 2026 View ↗ PDF 3376 26 d4 court house caernarfon_3376-25 detail 4 layout1 (1).pdf Plans · 9 Sept 2026 View ↗

Application forms 1

PDF ApplicationFormRedacted.pdf Application Form · 9 Sept 2026 View ↗

All documents on the council site ↗

Site constraints 6

57 listed buildings within 150 m of the postcode pin
Nearest: County Court (former County Hall), Grade I, about 3 m from the postcode pin · 4 Grade I, 5 Grade II*, 48 Grade II
The site itself is not listed. Listed building consent is needed for work that affects the special interest of a listed building, inside or out, on top of planning permission. Setting can be a consideration for buildings nearby; there is no fixed radius.
Show all 57 with distances
Historic England ↗
World heritage site: World Heritage Site
Nationally designated heritage. Its significance and setting carry great weight.
Registered parks and gardens, battlefields, world heritage sites and protected wrecks are designated heritage assets: harm needs clear and convincing justification.
Caernarfon conservation area
Demolition needs planning permission and permitted development is restricted.
The council must give weight to preserving or enhancing the area's character and appearance. Not every council has published its boundaries as open data.
Scheduled monument about 18 m away: Castell Caernarfon
Its setting is a consideration for work nearby.
Nationally important archaeology protected by the Secretary of State. Work that affects the monument or its setting is rarely permitted.
Special area of conservation about 74 m away: Y Fenai a Bae Conwy / Menai Strait and Conwy Bay
Work nearby can need a habitats assessment.
Harm to a protected site is only accepted where there is no alternative and an overriding public interest.
Also on the record
SSSI about 257 m away: Afon Seiont.
Not affected
Outside flood zones 2 and 3

Checked on 19 September 2026. The pin for this application is the centre of its postcode rather than the building, so distances to nearby designations are measured from the postcode and can be out by the width of the postcode area. Historic England, the Environment Agency, Natural England and council datasets, Open Government Licence. A boundary can run through a site and the council holds the definitive record: confirm with the council before relying on this.

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Addasiadau mewnol ynghyd a gosod uned gyddwysydd ar y cefn / Internal alteration...

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Newid defnydd arfaethedig o hen swyddfeydd y llywodraeth yn 37 o fflatiau ffordd...

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Important details

Council
Gwynedd
Application type
Full Planning
Postcode
LL55 2AY
Received
8 Sept 2026
Validated
18 Sept 2026
Ward
Canol Tref Caernarfon
Parish
Caernarfon
Case officer
Show
Target decision
13 Nov 2026
Decision level
Dirprwyedig / Delegated
Applicant
Show
Agent
NJPlanning Ltd

Decision outlook

Day 16 of the 56-day target. Gwynedd usually decides full applications by day 162.

Day 16146 days to the predicted decision (day 162)
14%decided within 8 weeks
84%approved
12%go to committee

Plota live figures for full applications decided by Gwynedd in the last twelve months, from validation. Gwynedd decision record →

Consultation & key dates

Comments by
19 Oct 2026
Statutory expiry
13 Nov 2026

Historical activity at this location

23 previous applications on record - archival context, not part of the live application.

This property

Previous applications at this address

2020 Approved
Gosod plac glas ar flaen yr adeilad / siting of blue plaque on front of building
C20/0892/14/CR
2020 Approved
Gosod gwydriad eilradd / Installation of secondary glazing
C20/0619/14/CR
Within ~100m

Nearby activity

2025 Approved
Anglesey Hotel, Anglesey Hotel, Caernarfon, Gwynedd, LL55 1SG
Gosod dau fent cegin ar do fflat yr adeilad / Erect two kitchen fents on flat roof of bui…
C25/0200/14/LL
2025 Approved
Anglesey Hotel, Anglesey Hotel, Caernarfon, Gwynedd, LL55 1SG
Gosod dau fent cegin ar do fflat yr adeilad / Erect two kitchen vents on flat roof of bui…
C25/0199/14/CR
2024 Approved
Bonta Deli, 9 - 11 Castle Ditch, Caernarfon, Gwynedd, LL55 2AU
Newid defnydd llawr gwaelod i ddefnydd caffi a siop (newid gosodiad) Change of use of gro…
C24/0807/14/LL
2022 Approved
13 Stryd Y Castell, Caernarfon, LL55 1SE
Tystysgrif defnydd cyfreithlon am ddefnydd yr adeilad fel un uned byw (c3) Lawful use cer…
C22/0309/14/TC
2021 Approved
9 - 11 Castle Ditch, Caernarfon, Gwynedd, LL55 2AU
Addasiadau mewnol ac allanol i drosi lloriau uchod yn 2 uned byw / Internal and external…
C21/0849/14/CR
2021 Approved
9 - 11 Castle Ditch, Caernarfon, Gwynedd, LL55 2AU
Creu ail uned byw uwchben siop presennol / Create second living unit above existing shop.
C21/0848/14/LL
2021 Approved
Porth Yr Aur High Street, Caernarfon, Gwynedd, LL55 1RN
Cais ar gyfer gosod arwydd ar yr adeilad presennol / Application for the erection of a si…
C21/0472/14/HY
2021 Approved
Caernarfon Castle Castle Ditch, Caernarfon, Gwynedd, LL55 2AY
Digwygio amod rhif 2 ar ganiatad cynllunio C19/0699/14/LL i osod yr unedau dros dro am gy…
C21/0146/14/AC
2020 Approved
Caernarfon Castle Castle Ditch, Caernarfon, Gwynedd, LL55 2AY
Uwchraddio'r cyfleusterau ymwelwyr drwy gosod lifft, creu caffi, toiledau newydd a chyfle…
C20/0687/14/LL
2020 Approved
Wal Y Cei, Caernarfon,
Gwelliannau i lwybrau troed o amgylch y Castell / Improvements to footpaths around the Ca…
C20/0489/14/CR
2019 Approved
Caernarfon Castle Castle Ditch, Caernarfon, Gwynedd, LL55 2AY
Gosod dau uned dros dro er mwyn darparu cyfleusterau amrywiol / Placement of two temporar…
C19/0699/14/LL
2019 Approved
Anglesey Arms, Caernarfon, Gwynedd LL55 1SG
Gosod pabell dros dro (rhwng Pasg neu 1af Ebrill - pa un bynnag sy'n gynt - a'r 6ed o Dac…
C19/0271/14/LL
2018 Approved
Hen Gwrt, Pen Deitsh, Caernarfon, Gwynedd, LL552AY
Newid defnydd a throsi'r lloriau gwaelod o ddefnydd preswyl i ddefnydd masnachol i gynnwy…
C18/0587/14/LL
2018 Approved
Hen Gwrt, Pen Deitsh, Caernarfon, Gwynedd, LL552AY
Addasiadau mewnol / Internal alterations
C18/0583/14/CR
2018 Approved
Anglesey Arms Hotel, Caernarfon, LL551SG
Gosod pabell dros dro (rhwng pasg a Hydref 31) wrth ochr y ty tafarn / Siting of temporar…
C18/0434/14/LL
2018 Approved
Hen Gwrt, Pendeitsh, Caernarfon, Gwynedd, LL552AY
Gosod plac glas ar yr adeilad / Siting of blue plaque on building
C18/0329/14/CR
2018 Approved
Swyddfa'r Cyngor, Stryd Y Jel, Caernarfon, Gwynedd, LL551SH
Gosod plac glas ar flaen yr eiddo / Siting of blue plaque to front of building
C18/0349/14/CR
2018 Approved
Cymen, Cyn Orsaf Heddlu, Castle Ditch, Caernarfon, Gwynedd, LL552AY
Gosod plac glas ar yr adeilad / Siting of blue plaque on building
C18/0173/14/CR
2018 Approved
ANGLESEY HOTEL, CAERNARFON, GWYNEDD, LL551SG
Addasiadau mewnol / Internal alterations
C18/0091/14/CR
2017 Approved
ANGLESEY HOTEL, CAERNARFON, GWYNEDD, LL551SG
Addasiadau mewnol / Internal alterations
C17/1180/14/CR
2018 Approved
FELIN FAWR, COED Y PARC, BETHESDA, BANGOR GWYNEDD, LL55 1SH
Barn Sgrinio
C18/0111/16/SC