HAFANNEDD Summerhill Terrace, Blaenau Ffestiniog, Gwynedd, LL41 3EQ Data via plota.co.uk

C25/0934/03/DT - Householder Planning Approved

Proposal

Estyniad deulawr cefn. Two-storey rear extension. Data via plota.co.uk

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View original council record ↗Last checked 1 Oct 2026, 03:58

Application progress

✓

Received

17 Dec 2025

✓

Validated

27 Jan 2026

✓

Approved

28 Apr 2026

Approved on 28 Apr 2026 · Dirprwyedig / Delegated · Last checked 1 Oct 2026

Documents 14

Site constraints 4

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.

Scheduled monument about 98 m away: Diffwys Quarry

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.

Also on the record

Radon affected area, class 4; 1 listed building within 150 m of the postcode pin.

Not affected

Outside flood zones 2 and 3

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.

Sales history 2

Last sold for £230,000 in October 2021. Detached house, freehold.

27 October 2021£230,000

2 November 2012£94,500

Sale prices from HM Land Registry's price paid record, matched to this application by its address.

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Nearby new applications

4 Aug 2026Pending

13 Ffordd Bowydd, Blaenau Ffestiniog, Gwynedd, LL41 3DY

Cais am estyniad i greu ystafell haul gyda balconi uwchben ar y drychiad blaen, ...

C26/0468/03/DT

Important details

Council: Gwynedd
Application type: Householder Planning
Postcode: LL41 3EQ
Received: 17 Dec 2025
Validated: 27 Jan 2026
Ward: Diffwys & Maenofferen
Parish: Ffestiniog
Case officer: Show
Target decision: 29 Apr 2026
Decision: Approved with Conditions
Decision date: 28 Apr 2026
Decision level: Dirprwyedig / Delegated
Applicant: Show
Agent: Ty Newydd Cyf

How this decision compares

Decided in 91 days from validation, 6 days slower than Gwynedd's median of 85 for extensions. Approved, as 94% of extensions here are.

This one91d

Council85d

UK55d

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: 18 Feb 2026
Statutory expiry: 29 Apr 2026

Historical activity at this location

1 nearby application on record - archival context, not part of the live application.

Within ~100m

Nearby activity

2019 Approved

4 , Tai Richmond, Blaenau Ffestiniog, LL41 3DX

Estyniad a newidiadau/ Extension and alterations

C19/0369/03/LL 3 Jun 2019