48 Sandilands Road, Tywyn, Gwynedd, LL36 9AT Data via plota.co.uk

C26/0453/09/DT - Householder Planning In Progress

Proposal

Estyniad llawr gwaelod cefn i ddarparu lolfa newydd, ynghyd ag addasiadau mewnol./ Rear ground floor extension to provide a new lounge, together with internal alterations Data via plota.co.uk

View original council record ↗Last checked

Application progress

✓
Received
29 Jul 2026
Decision
Expected by 23 Sept 2026

Under consideration

No decision has been issued yet. Plota predicts a decision by 15 Nov 2026, from Gwynedd's recent extensions.

The consultation period closed on 24 Aug 2026.

Site constraints 3

Flood zone 3, rivers and sea
High chance: a 1 in 100 or greater annual chance from rivers, or 1 in 200 from the sea. Any development here needs a flood risk assessment. Defences are not counted.
The Environment Agency flood map for planning. Homes in zone 3 must also pass the sequential test. Surface water flooding is a separate map.
Flood map ↗
Also on the record
Radon affected area, class 2; Special area of conservation about 430 m away: Pen Llyn a'r Sarnau / Lleyn Peninsula and the Sarnau.
Not affected
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.

Sales history 1

Last sold for £192,500 in May 2025. Terraced house, freehold.

29 May 2025£192,500

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

Building

Floor area88 m² (947 sq ft)
Energy ratingD (67 out of 100), could reach B
PropertyMid-terrace house, 4 habitable rooms
Built1950 to 1966
HeatingBoiler and radiators, mains gas
WallsCavity wall, as built, no insulation (assumed)

From the energy performance certificate lodged in January 2025, 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
LL36 9AT
Received
29 Jul 2026
Validated
29 Jul 2026
Ward
Morfa Tywyn
Parish
Tywyn
Case officer
Show
Target decision
23 Sept 2026
Decision level
Dirprwyedig / Delegated
Applicant
Show
Agent
Wakemans

Decision outlook

Day 72 of the 56-day target. Gwynedd usually decides extensions by day 85.

Day 7213 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
24 Aug 2026
Statutory expiry
23 Sept 2026

Sale prices: Contains HM Land Registry data © Crown copyright and database right 2026. This data is licensed under the Open Government Licence v3.0.

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.