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Planning applications in SY20

We hold 672 planning applications for the SY20 postcode area, 26 of them submitted in the past year. 89% of decided applications here were approved. A decision typically takes 74 days. The area is covered by Powys, Gwynedd, Ceredigion.

672
applications held
26
in the past year
89%
approved
74 days
median decision

Councils covering SY20

Powys (615)Gwynedd (23)Ceredigion (17)Snowdonia (17)

Recent applications in SY20

Pending
Prior notification: Agriculture - Forestry
8 Sept 2026P/26/0980/AGR
Cwm Cerrig 2026, Esgair Llewelyn, Glantwymyn, Powys, SY20 9RZPowys

Formation of a new access road

Pending
Full
3 Sept 2026NP5/75/68G
Land opposite Maesteg, Pennal. SY20 9DLSnowdonia

Change the use of allotment into residential curtilages

Permitted
Small
Full
18 May 2026NP5/74/507A
Pennantigi Isaf, Dinas Mawddwy. SY20 9LXSnowdonia

Solar Panels

Pending
Non-Material Amendment
20 Apr 2026A260229
Pt O.S. 0048 Trer Ddol, SY20 8QBCeredigion

Non-Material Amendment of condition 3 from planning permission D1/549/90 (landscaping scheme)

Pending
Householder Planning
24 Mar 2026A260171
2, NORTH ROAD, Tre'r Ddol, Machynlleth, Ceredigion, SY20 8PPCeredigion

First floor dormer to front elevation. First floor extension to rear.

Conditions
Small
Discharge of Conditions
23 Mar 2026NP5/75/68E
Land opposite Maesteg, Pennal. SY20 9DLSnowdonia

Discharge Condition 7 (Stone sample) attached to Planning Permission NP5/75/68B dated 21/12/2023

Pending
Householder Planning
20 Mar 2026A260158
Maesgwyn, Tre'r Ddol, Machynlleth, Ceredigion, SY20 8PNCeredigion

Demolition of existing detached garage and erection of detached annexe to provide additional sleeping accommodation within same footprint.

Permitted
Medium
Prior Notification
13 Mar 2026NP5/74/343C
Penantigi Uchaf, Dinas Mawddwy. SY20 9LXSnowdonia

Upgrading of existing telecommunications site, comprising the installation of a generator and ancillary development

Pending
Small
Full Application
4 Mar 202626/0283/FUL
33 Heol Maengwyn Machynlleth Powys SY20 8EBPowys

Change of use of ground floor from shop to a bar

Pending
Small
Removal or Variation of Condition
26 Feb 202626/0261/REM
Barn At Morben Hall Derwenlas Machynlleth Powys SY20 8SRPowys

Section 73 application to vary conditions 8 and 9 of planning permission 23/1026/FUL in relation to changing new entrance design

Pending
Householder Planning
23 Feb 2026A260098
LLWYNGWYN, Furnace, Talybont, Ceredigion, SY20 8TDCeredigion

Proposed demolition of a blockwork extension and the construction of a new two storey extension

Withdrawn
23 Feb 202626/0127/FUL
Gardd Lledfair Market Garden South West Of The Plas Heol Pentrerhedyn Machynlleth Powys SY20 8ERPowys

Erection of buildings, polytunnel and fencing together with creation of a new access and parking area for a market garden

Pending
Full Planning
20 Feb 2026A260094
Glannant, Taliesin, Machynlleth, Ceredigion, SY20 8JHCeredigion

Proposed Extension, alterations and associated works

Conditions
Small
Discharge of Conditions
18 Feb 2026NP5/75/68D
Land opposite Maesteg, Pennal. SY20 9DLSnowdonia

Discharge Condition 6 (Slate) attached to Planning Permission NP5/75/68B dated 21/12/2023

Permitted
Small
Full
17 Feb 2026NP5/74/5D
Ormiston Forge Mountain Centre, Dinas Mawddwy. SY20 9LUSnowdonia

Replacement windows and new external emergency exit doors, installation of air source heat pump, and external lighting

Pending
10 Feb 202626/0146/FUL
Pen Rhos Mawr Penegoes Machynlleth SY20 8NHPowys

Erection of shed over slurry pit

Pending
Small
Householder
10 Feb 202626/0150/HH
Pengelli Glas Pwll Machynlleth SY20 8TYPowys

Alterations and extension to dwelling

Refused
Small
Householder
28 Jan 202626/0097/HH
11 Tregarth Machynlleth SY20 8HTPowys

Demolition of existing extension and erection of new side extension

Permitted
Small
Removal or Variation of Condition
15 Jan 202626/0047/REM
Perthi Garden Village Machynlleth SY20 8HAPowys

Section 73 application for the removal of condition 2 (change in plans) of planning approval 25/0441/HH

Pending
Modification or Discharge of Planning Obligations
12 Dec 2025C25/0918/02/RC
Braich Goch Hotel, Corris, Machynlleth, Gwynedd, SY20 9RDGwynedd

Cais i rhyddhau amod 3, 4 a 5 oddi ar caniatad cynllunio C25/0436/02/LL / Application to remove condition 3, 4 and 5 from planning consent C25/0436/02/LL

Pending
Small
Listed Building Consent
26 Nov 202525/1779/LBC
Annex Cottage At 29 Heol Y Doll Machynlleth Powys SY20 8BHPowys

Internal and external works with retention of roof alterations and velux window

Pending
Small
Householder
26 Nov 202525/1778/HH
Annex Cottage At 29 Heol Y Doll Machynlleth Powys SY20 8BHPowys

Internal and external improvement works (part retrospective)

Permitted
Small
Agricultural Notification
26 Nov 202525/1737/AGR
Pen Rhos Mawr Penegoes Machynlleth Powys SY20 8NHPowys

Erection of agricultural building to cover manure store and alterations to existing building

Permitted
Small
Agricultural Notification
30 Sept 202525/1375/AGR
Aberffrydlan Llanwrin Machynlleth Powys SY20 8NAPowys

New agricultural access track

Pending
Full Planning
26 Sept 2025A250720
GLANDYFI CASTLE, Glandyfi, Machynlleth, Ceredigion, SY20 8SSCeredigion

Conversion of existing outbuildings to accommodation.

Pending
Listed Building Consent
26 Sept 2025A250721
GLANDYFI CASTLE, Glandyfi, Machynlleth, Ceredigion, SY20 8SSCeredigion

Conversion of existing outbuildings to accommodation

Permitted
Small
Listed Building Consent
8 Sept 202525/1240/LBC
2 Morris Cottages Heol Y Doll Machynlleth SY20 8BHPowys

Alterations and improvements including new windows and doors to upgrade fenestration, replace existing staircase, tanking and lining to rear walls and insulation of roof

Permitted
Small
Householder
21 Aug 202525/1162/HH
17 Treowain Machynlleth SY20 8EJPowys

Erection of a rear extension

Permitted
Small
Listed Building Consent
20 Aug 202525/1157/LBC
5 Penrallt Street Machynlleth SY20 8AGPowys

Internal and external alterations to include new windows

Withdrawn
Small
Listed Building Consent
11 Aug 202525/1117/LBC
Owain Glyndwr Centre, Community Centre And Premises 67-69 Maengwyn Street Machynlleth SY20 8EEPowys

Internal and external alterations to include alterations to internal layout, installation of lift, roof and window repairs, secondary glazing, replacement of steel windows, insulation to external walls, new heating system with 3 no. air source heat pumps and roof mounted solar PV

Permitted
Small
Discharge of Condition
6 Aug 202525/1100/DIS
Former Gasworks Site Gasworks Lane Machynlleth Powys SY20 8BYPowys

Discharge of condition 6, 12 and 15 of planning approval 24/1117/FUL

Withdrawn
Small
Listed Building Consent
1 Aug 202525/1067/LBC
29 Heol Y Doll Machynlleth SY20 8BHPowys

External works including replacement windows and door, with retention of roof alterations including a Velux window

Withdrawn
Small
Householder
1 Aug 202525/1066/HH
29 Heol Y Doll Machynlleth SY20 8BHPowys

Installation of velux windows - Retrospective

Refused
Small
Conservation Area Consent
12 Jun 202525/0853/CAC
Store Rear Of Arvonia Bakery House 14 Maengwyn Street Machynlleth Powys SY20 8AEPowys

Demolition of former bakehouse

Pending
Full Planning
10 May 2025A250332
Llanerchdyfi Field (erwgwyrdd) Llancynfelin, SY20 8PUCeredigion

Proposed Shed

Permitted
Small
Certificate of Lawfulness - Existing
17 Apr 202525/0618/CLE
Capel Y Graig Graig Fach Machynlleth Powys SY20 8APPowys

Certificate of lawfulness (section 191) for an existing use - use of chapel as residential

Pending
9 Apr 202525/0287/FUL
Holiday Let At Field 545 Meters East Northeast Of Hendreseifion Ffridd Gate Machynlleth Powys SY20 8QQPowys

Installation of one cabin for holiday let, improvements to existing access, parking area and installation of septic tank (retrospective)

Permitted
Small
Householder
21 Mar 202525/0441/HH
Perthi Garden Village Machynlleth SY20 8HAPowys

Removal of existing conservatory and erection of single storey extension

Permitted
Small
Advertisement Consent
28 Feb 202525/0311/ADV
Co-Op Food 80 - 88 Maengwyn Street Machynlleth Powys SY20 8EAPowys

Illuminated digital display screen positioned inside the store

Permitted
Small
Full
12 Feb 2025NP5/56/153E
Dyfi Bike Park, Pantperthog. SY20 9ASSnowdonia

Re-instatement of track and extension to existing site boundary

Refused
Small
Discharge of Condition
7 Feb 202525/0205/DIS
35 Penrallt Street Machynlleth Powys SY20 8AGPowys

Discharge of condition 7 of planning permission 23/0408/HH

Permitted
Small
Householder
31 Jan 202525/0152/HH
22 Cae Crwn Machynlleth SY20 8HFPowys

Erection of extensions

Permitted
Small
Discharge of Condition
24 Jan 202525/0119/DIS
Station Garage Heol Y Doll Machynlleth Powys SY20 8BHPowys

Discharge of condition 12 of planning approval 21/1737/FUL in relation to land contamination

Refused
Small
Discharge of Condition
7 Jan 202525/0017/DIS
Plas Kennels The Plas Heol Pentrerhedyn Machynlleth Powys SY20 8EUPowys

Discharge of conditions 4 and 13 of planning approval 23/1920/LBC

Conditions
Small
Removal or Variation of Condition
18 Dec 202424/1854/REM
Plas Stables Machynlleth Powys SY20 8EUPowys

Section 19 application to vary condition 2 of planning application 23/1920/LBC

Withdrawn
Medium
Full
10 Dec 2024NP5/75/272
Land adjoining Ty Gwyn, Pennal. SY20 9DJSnowdonia

Erection of one affordable dwelling and one open market dwelling and the formation of vehicular access, parking and turning areas and associated works

Conditions
Small
Full
6 Dec 2024NP5/74/516A
Ger-y-Llan, Llanymawddwy. SY20 9AQSnowdonia

Conversion and external alterations of domestic workshop to form guest accommodation ancillary to the incidental use of the dwellinghouse as a bed & breakfast

Permitted
Small
Removal or Variation of Condition
4 Dec 202424/1784/REM
Plas Stables Heol Pentrerhedyn Machynlleth SY20 8EUPowys

Section 73 to vary condition 2 of Planning permission 23/1919/FUL in relation to approved plans

Permitted
Small
Discharge of Condition
4 Dec 202424/1783/DIS
Plas Stables Heol Pentrerhedyn Machynlleth SY20 8EUPowys

Part -discharge of condition 11 of planning approval 23/1920/LBC Roofing details

Conditions
Small
Full
28 Oct 2024NP5/74/518
Gwynfryn, Dinas Mawddwy. SY20 9JASnowdonia

Installation of air-source heat pump to the rear of property