Polgew 21 Godolphin Terrace Marazion Cornwall TR17 0EX Data via plota.co.uk

PA26/06083 - Full application Awaiting decision
Extensions & alterations

Proposal

Proposed front dormer with a balcony and replacement of rooflight Data via plota.co.uk

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View original council record ↗Last checked

Application progress

✓
Received
around 15 Sept 2026
✓
Consultation
16 Sept 2026
Decision
Expected by 10 Nov 2026

Under consideration

No decision has been issued yet. Plota predicts a decision around 8 Nov 2026, from Cornwall's recent extensions.

The consultation period closed on 7 Oct 2026.

Documents 5

Statements & assessments 4

PDF DESIGN STATEMENT Statement - Design and Access · 1 Sept 2026 View ↗ PDF ECOLOGY TRIGGER LIST PGS 5-6 Ecology Report Trigger Table · 1 Sept 2026 View ↗ PDF ECOLOGY TRIGGER LIST PGS 3-4 Ecology Report Trigger Table · 1 Sept 2026 View ↗ PDF ECOLOGY TRIGGER LIST PGS 1-2 Ecology Report Trigger Table · 1 Sept 2026 View ↗

Application forms 1

PDF APPLICATION FORM Application Form · 1 Sept 2026 View ↗

All documents on the council site ↗

Site constraints 7

Radon affected area, class 6
An estimated 30% or more of homes reach the radon action level. Indicative for the 1 km square, which takes the highest class found in it; a radon test gives the answer for a building.
From the British Geological Survey and UK Health Security Agency indicative atlas. Under building regulations, as the BRE guide BR 211 (2023) sets out, new buildings and extensions need basic radon protection from class 3 in England and Wales and from class 2 in Scotland, and full protection from class 5. The class at the site itself, from the detailed BGS map, decides which.
UKHSA radon ↗
Also on the record
National landscape 220 m away: Cornwall; Special protection area 406 m away: Marazion Marsh; SSSI 406 m away: Marazion Marsh SSSI; 2 listed buildings within 150 m; Inside the Marazion built-up area; Natural England's Provisional ALC map (1:250,000, 1970s) had this area as grade 3, but it predates the buildings here and the current map does not class it as farmland.
Not affected
Outside flood zones 2 and 3 · Not green belt · No scheduled monument at the site

Checked on 6 October 2026. 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 area265 m² (2,852 sq ft)
Energy ratingD (58 out of 100), could reach C
PropertyDetached house, 8 habitable rooms
Built1967 to 1975
HeatingBoiler and radiators, oil
WallsCavity wall, as built, no insulation (assumed)

From the energy performance certificate lodged in May 2013, the latest held for this property. The building may have changed since. View the certificate

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Important details

Council
Cornwall
Application type
Full application
Postcode
TR17 0EX
Received
around 15 Sept 2026
Validated
15 Sept 2026
Ward
Long Rock, Marazion And St Erth
Parish
Marazion
Case officer
Show
Target decision
10 Nov 2026
Applicant
Show
Agent
Gary Wilson

Decision outlook

Day 24 of the 56-day target. Cornwall usually decides extensions by day 54.

Day 2432 days to the 56-day target
84%decided within 8 weeks
95%approved
100%go to committee

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

Public comments

No public comments yet.

4 neighbours consulted · Last counted 30 Sept 2026

Read the comments on the council site ↗

Consultation & key dates

Alt. reference
PP-15052884
Planning Portal ref
PP-15052884
Neighbours
16 Sept 2026
Consultation
16 Sept 2026
Comments by
7 Oct 2026
Statutory expiry
10 Nov 2026
Env. assessment
No

Historical activity at this location

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

Within ~100m

Nearby activity

2025
1 Godolphin Avenue Marazion Cornwall TR17 0ES
Internal Refurbishment & Loft Conversion of Single Story Dwelling & Associated Works
PA25/09356
2025 Approved
Former Roundfields Rosehill Marazion Cornwall TR17 0HB
Addition of garage with carers accommodation. Amended scheme to PA24/00721
PA25/04181
2023 Approved
5 Godolphin Terrace Marazion Cornwall TR17 0EX
Single storey side extension
PA23/08567
2024 Approved
Former Roundfields Rosehill Marazion Cornwall TR17 0HB
Construction of garage
PA24/00721
2023 Withdrawn
Former Roundfields Rosehill Marazion Cornwall TR17 0HB
Addition of garage with studio/games room above
PA23/08125
2023 Approved
26 Godolphin Terrace Marazion Cornwall TR17 0EX
Formation of new access and driveway
PA23/05644
2023 Withdrawn
Former Roundfields Rosehill Marazion Cornwall TR17 0HB
Pre-application advice for proposed garage with studio above.
PA23/00889/PREAPP
2022 Approved
Former Roundfields Rosehill Marazion Cornwall TR17 0HB
Remove three roof lights approved under decision PA20/09691 and insert one smaller roof l…
PA22/07100
2022 Withdrawn
Roundfields Rosehill Marazion Cornwall TR17 0HB
Pre application advice for installation of window on south-east elevation
PA22/00858/PREAPP
2022 Approved
19 Godolphin Terrace Marazion TR17 0EX
Single storey rear conservatory and utility extension.
PA22/00511
2022 Refused
Roundfields Rosehill Marazion Cornwall TR17 0HB
Installation of French doors and Juliet balcony on south-east elevation
PA22/00262
2022 Approved
33 Godolphin Terrace Marazion Cornwall TR17 0EX
Dormers on front elevation and re-positioned rooflight.
PA22/01503
2021 Approved
6 Godolphin Terrace Marazion TR17 0EX
Small extensions to the south west elevation (sea view) forming a balcony and balustradin…
PA21/10649
2020 Approved
Roundfields Rosehill Marazion Cornwall TR17 0HB
Alterations and extensions to existing dwelling and retention of cycle and recycle store
PA20/09691
2020 Approved
24 Godolphin Terrace Marazion TR17 0EX
Extension and alterations
PA20/00711
2019 Approved
Roundfields Rosehill Marazion Cornwall TR17 0HB
Demolish modern extension and garage, erection of two storey side extension with rear acc…
PA19/08899
2019 Withdrawn
Polgew 21 Godolphin Terrace Marazion TR17 0EX
Proposed extension of roof on rear slope to provide bedrooms, formation of inset terrace…
PA19/09564
2018 Decided
Roundfields Rosehill Marazion TR17 0HB
Demolition of existing dwelling and construction of two dwellings
PA18/09923
2019 Approved
5 Godolphin Terrace Marazion Cornwall TR17 0EX
Single storey rear extension, alterations and installation of windows and doors, addition…
PA19/02692
2019 Approved
5 Godolphin Terrace Marazion Penzance Cornwall TR17 0EX
Single storey rear extension, alterations and installation of windows and doors, addition…
PA19/00246
2017 Approved
3 Godolphin Terrace Marazion Cornwall TR17 0EX
Domestic extension, alterations, rooflights and patio
PA17/00204
2016 Approved
6 Godolphin Terrace Marazion TR17 0EX
Rear two-storey extension including extension of existing balcony and installation of sid…
PA16/10253
2016 Approved
3 Godolphin Terrace Marazion Cornwall TR17 0EX
Domestic extension and alterations including raised patio
PA16/08134
2016 Approved
19 Godolphin Terrace Marazion TR17 0EX
Single storey front extension to replace existing porch. First floor rear extension. Inst…
PA16/05448
2016 Approved
1 Godolphin Terrace Marazion Cornwall TR17 0EX
Demolition of the existing 2 bed bungalow and replacement with a new 4 bed bungalow
PA16/01174
Cornwall
Planning Authority Score
7.9/10
Good
#28 of 296 councils
Relevant to this application:
Householder decisions

Cornwall is faster than most councils at deciding householder applications, ranking #64 out of 296. Householder applications are more likely to be approved here than most councils, with a 97% approval rate vs 90% nationally.

More permissive than most councils
97% approved vs 90% nationally
These figures are council-wide context, not a prediction for this application. View full council performance
Cornwall decision statistics
Based on MHCLG data, the year to March 2026
92%
Overall approval rate
Above avg (87%) #79 of 296
97%
Householder approved
Above avg (90%) #28 of 296
76%
Decided in 8 weeks
Above avg (63%) #64 of 296
35%
Extended time limit
Below avg (41%) #101 of 296
82%
Minor dwellings approved
1180 decided (1-9 homes)
94%
Major dwellings approved
67 decided (10+ homes)
93%
Change of use approved
194 decided
4,839
Total decisions
363 refused in the year to March 2026
Source: MHCLG planning statistics · See full council rankings

Freehold boundary: © Crown copyright and database rights 2026, HM Land Registry. Polygons © Crown copyright and database rights 2026 Ordnance Survey 100026316. Conditions of use

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.