50 Springhill Road Grendon Underwood Buckinghamshire HP18 0TE Data via plota.co.uk

PL/26/05387/NMA - Non Material Amendment Approved

Proposal

Proposed non-material amendment to planning permission PL/26/02414/FA (Part single part two storey rear extension and front porch) reason - flat rooflight to lantern rooflight Data via plota.co.uk

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View original council record ↗Last checked 3 Sept 2026, 00:47

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Application progress

✓

Received

3 Jul 2026

✓

Approved

3 Aug 2026

Approved on 3 Aug 2026 · Delegated Decision · Last checked 2 Sept 2026

Documents 1

Application forms 1

PDF APPLICATIONFORMREDACTED Application Form and Certificate · 3 Jul 2026 View ↗

All documents on the council site ↗

Associated applications 2

Part of

FullApproved27 May 2026PL/26/02414/FA
Part single part two storey rear extension and front porch.
- AmendmentProposed non-material amendment (Part single part two storey rear extension and front porch)…This application3 Jul 2026PL/26/05387/NMA

Site constraints 6

Public footpath 14 m away

Matters where it crosses or adjoins the site: obstructing a path without a diversion order is an offence, and work cannot start until the order is confirmed.

Compiled from highway authority data, not the legal definitive map. A few authorities have not published, so no path shown is not proof there is none.

Habitat network: Network Expansion Zone

Where habitat is joined up enough to work as a network. Context, not a constraint on its own.

Also on the record

Tree preservation order 19 m away; Inside the Edgcott built-up area; Priority habitat 19 m away: Deciduous woodland; 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 listed building at the site

Checked on 6 October 2026. Historic England, the Environment Agency, Natural England 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 £195,000 in August 2014. Semi-detached house, freehold.

29 August 2014£195,000

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

Building

Floor area85 m² (915 sq ft)

Energy ratingD (59 out of 100), could reach C

PropertySemi-detached house, 4 habitable rooms

Built1967 to 1975

HeatingBoiler and radiators, oil

WallsCavity wall, filled cavity

From the energy performance certificate lodged in May 2014, the latest held for this property. The building may have changed since. View the certificate

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Important details

Council: Buckinghamshire
Application type: Non Material Amendment
Postcode: HP18 0TE
Received: 3 Jul 2026
Validated: 3 Jul 2026
Ward: Grendon Underwood and The Claydons
Parish: Grendon Underwood
Case officer: Show
Target decision: 31 Jul 2026
Decision: Non material amendt-accepted
Decision date: 3 Aug 2026
Decision level: Delegated Decision
Applicant: Show
Agent: Espresso Architecture

Public comments

No public comments yet.

Last counted 2 Sept 2026

Read the comments on the council site ↗

Consultation & key dates

Statutory expiry: 31 Jul 2026
Env. assessment: No

Buckinghamshire

Planning Authority Score

1.3/10

Poor

#284 of 296 councils

Relevant to this application:

Householder decisions

Buckinghamshire is one of the slowest councils in England for householder decisions, ranking #280 out of 296. 55% of applications have the time limit extended, above the 41% national average. Householder applications are slightly less likely to be approved here (86%) than the national average (90%).

Among the slowest councils in England

for householder decisions

These figures are council-wide context, not a prediction for this application. View full council performance

Buckinghamshire decision statistics

Based on MHCLG data, the year to March 2026

84%

Overall approval rate

Below avg (87%) #217 of 296

86%

Householder approved

Below avg (90%) #241 of 296

34%

Decided in 8 weeks

Below avg (63%) #280 of 296

55%

Extended time limit

Above avg (41%) #248 of 296

76%

Minor dwellings approved

491 decided (1-9 homes)

82%

Major dwellings approved

71 decided (10+ homes)

82%

Change of use approved

131 decided

4,446

Total decisions

690 refused in the year to March 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.