12 Tyddyn Gwyn, Manod, Blaenau Ffestiniog, Gwynedd, LL41 4AN Data via plota.co.uk

C26/0498/03/DT - Householder Planning In Progress

Proposal

Application for a two storey extension / Cais am estyniad cefn dau lawr Data via plota.co.uk

View original council record ↗Last checked

Application progress

✓
Received
12 Aug 2026
✓
Validated
17 Aug 2026
Decision
Expected by 12 Oct 2026

Under consideration

No decision has been issued yet. Plota predicts a decision between 26 Oct 2026 and 4 Dec 2026, from Gwynedd's recent extensions.

The consultation period closed on 7 Sept 2026.

Site constraints 3

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.
Also on the record
Radon affected area, class 3; SSSI about 331 m away: Chwarel Gwenithfaen Madoc.
Not affected
Outside flood zones 2 and 3 · No scheduled monument at the site

Checked on 6 October 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, the British Geological Survey and UK Health Security Agency (radon, contains BGS materials © UKRI) 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.

Building

Floor area62 m² (667 sq ft)
Energy ratingG (12 out of 100), could reach B
PropertyEnd-terrace house, 3 habitable rooms
BuiltBefore 1900
HeatingRoom heaters, mains gas
WallsGranite or whinstone, as built, no insulation (assumed)

From the energy performance certificate lodged in August 2019, the latest held for this property, matched to this application by its address. The building may have changed since. View the certificate

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Important details

Council
Gwynedd
Application type
Householder Planning
Postcode
LL41 4AN
Received
12 Aug 2026
Validated
17 Aug 2026
Ward
Teigl
Parish
Ffestiniog
Case officer
Show
Target decision
12 Oct 2026
Decision level
Dirprwyedig / Delegated
Applicant
Show
Agent
Ty Newydd Cyf

Decision outlook

Day 53 of the 56-day target. Gwynedd usually decides extensions by day 85.

Day 5332 days to the predicted decision (day 85)
28%decided within 8 weeks
94%approved
248decided in the last year

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

Consultation & key dates

Comments by
7 Sept 2026
Statutory expiry
12 Oct 2026

Energy performance: Energy performance certificates from the Energy Performance of Buildings Register, Ministry of Housing, Communities and Local Government. Contains public sector information licensed under the Open Government Licence v3.0. © Crown copyright 2026.