20 Baronsmede The Avenue Surrey Egham TW20 9AB Data via plota.co.uk

Proposal

Prior Approval application for the change of use from offices (Use Class E) to create 15 dwellinghouses (flats) (Use Class C3) under the Town and Country Planning (General Permitted Development) (England) Order 2015 as amended Schedule 2, Part 3, Class MA. Data via plota.co.uk

View original council record ↗Last checked

Application progress

✓
Received
around 8 Oct 2026
Decision
Expected by 7 Jan 2027

Under consideration

No decision has been issued yet. Plota predicts a decision between 6 Nov 2026 and 15 Nov 2026, from recent prior approvals across the UK.

Comments are open until 5 Nov 2026

Comment on this application ↗

Site constraints 6

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 ↗
Air quality management area: M25 Aqma
The council has declared the area as failing an air quality objective.
Schemes that add traffic, parking or combustion plant are assessed against the area's action plan and may need an air quality assessment.
Council record ↗
Also on the record
Scheduled monument about 222 m away: Bronze Age settlement, W of Runnymede Bridge; Inside the Egham built-up area; National infrastructure project about 986 m away: Expansion of Heathrow Airport (Third Runway), at pre-application; Green belt about 91 m away: London.

Checked on 9 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 Planning Inspectorate 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.

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Important details

Council
Runnymede
Postcode
TW20 9AB
Received
around 8 Oct 2026
Validated
8 Oct 2026
Case officer
Show

Decision outlook

Day 20 of the 91-day target. Councils usually decide prior approvals by day 34.

Day 2071 days to the 91-day target
92%decided within 8 weeks
83%approved
33,433decided in the last year

Plota live figures for prior approvals decided across the UK in the last twelve months, from validation; too few recent prior approvals in Runnymede to go on. Runnymede decision record →

Consultation & key dates

Comments by
5 Nov 2026
Runnymede
Planning Authority Score
5.2/10
Average
#140 of 296 councils
Relevant to this application:
Change of use

Runnymede ranks #108 out of 296 councils for householder decision speed. Householder applications are slightly less likely to be approved here (89%) than the national average (90%).

These figures are council-wide context, not a prediction for this application. View full council performance
Runnymede decision statistics
Based on MHCLG data, the year to March 2026
83%
Overall approval rate
Below avg (87%) #242 of 296
89%
Householder approved
Below avg (90%) #208 of 296
72%
Decided in 8 weeks
Above avg (63%) #108 of 296
36%
Extended time limit
Below avg (41%) #113 of 296
66%
Minor dwellings approved
74 decided (1-9 homes)
82%
Major dwellings approved
11 decided (10+ homes)
55%
Change of use approved
11 decided
661
Total decisions
110 refused in the year to March 2026