Mallards The Avenue Bourne End Buckinghamshire SL8 5QY Data via plota.co.uk

PL/26/06133/FA - Full Application Approved

Proposal

Single storey side extension to link main house to the detached garage and extend garage to front. Part single storey, part two storey rear extension incorporating rear terraces at first floor. Insertion of x 6 roof-lights to front and rear elevations and solar panels and replace all windows and doors (renewal of lapsed planning consent ref: ). Data via plota.co.uk

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View original council record ↗Last checked 7 Oct 2026, 20:20

Street View

Application progress

✓

Received

30 Jul 2026

✓

Consultation

14 Aug 2026

✓

Approved

24 Sept 2026

Approved on 24 Sept 2026 · Delegated Decision · Last checked 24 Sept 2026

Documents 10

Site constraints 8

Flood zone 2, rivers and sea

Medium chance: between a 1 in 100 and 1 in 1,000 annual chance from rivers, or 1 in 200 to 1 in 1,000 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 ↗

Abbotsbrook conservation area

Demolition needs planning permission and permitted development is restricted.

The council must give weight to preserving or enhancing the area's character and appearance. Not every council has published its boundaries as open data.

Council document ↗

Article 4 direction

Former Wycombe Rural District - Poultry Production. Named permitted development rights are withdrawn here.

An Article 4 direction withdraws particular permitted development rights, so work that would normally need no application needs one here. Not every council has published its directions.

Also on the record

Radon affected area, class 2; National landscape 439 m away: Chilterns; Inside the Bourne End built-up area; Priority habitat 47 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

Not green belt · No listed building at the site · 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.

Sales history 1

Last sold for £1,400,000 in August 2017. Detached house, freehold.

2 August 2017£1,400,000

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

Building

Floor area199 m² (2,142 sq ft)

Energy ratingD (61 out of 100), could reach C

PropertyDetached house, 9 habitable rooms

Built1983 to 1990

HeatingBoiler and radiators, mains gas

WallsCavity wall, as built, insulated (assumed)

From the energy performance certificate lodged in August 2016, 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: Full Application
Postcode: SL8 5QY
Received: 30 Jul 2026
Validated: 30 Jul 2026
Ward: Chiltern Villages
Parish: Little Marlow
Case officer: Show
Target decision: 24 Sept 2026
Decision: Approved
Decision date: 24 Sept 2026
Decision level: Delegated Decision
Applicant: Show
Agent: Heighway Associates Architects Ltd

How this decision compares

Decided in 56 days from validation, about the council's usual 56 days. Approved, as 82% of extensions here are.

This one56d

Council56d

UK55d

54%decided within 8 weeks

82%approved

2,226decided in the last year

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

Public comments

No public comments yet.

4 neighbours consulted · Last counted 24 Sept 2026

Read the comments on the council site ↗

Consultation & key dates

Neighbours: 14 Aug 2026
Consultation: 14 Aug 2026
Comments by: 14 Sept 2026
Site or press notice: 24 Aug 2026
Statutory expiry: 24 Sept 2026
Env. assessment: No

Historical activity at this location

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

Within ~100m

Nearby activity

2025 Refused

Abbots Thatch The Avenue Bourne End Buckinghamshire SL8 5QY

Fell in sections to near ground level, grind out stump to 15-20cm below ground level to 1…

PL/25/2951/KA 3 Oct 2025

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.