11a, Kelvin Grove, Chessington, KT9 1DP
About 11a
11a is a four-bedroom detached house in Chessington (KT9 1DP). It has a recorded floor area of 138 m² (around 1485 sq ft), construction records dating it to 1930-1949 and council tax band F. The latest certificate (June 2020) shows an F (score 36), near the bottom of the EPC scale. The recommended improvements would lift it to B (score 83), a 4-band jump. The home occupies a cul-de-sac position.
3 planning records sit against the property, 2 approved, 0 refused, 1 pending. Past consents include an extension, meaningful when judging how the property has evolved. An active application for an annexe is awaiting a decision. On energy efficiency it sits in the bottom 10% of properties in this postcode — significant headroom for improvement. Today's modelled estimate of £835,000 is 11.3% above the 2021 sale price. On a £-per-square-foot basis, the last sale (£505/sq ft) was about 26% above the typical sold price in the postcode. Last sale on file: £750,000 in September 2021. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.
What this property has
Inside
- Bedrooms4
- Bathrooms1
- Open-plan layoutYes
- EnsuiteYes
Outside
- Private gardenRear
- ParkingOff street
- Cul-de-sacYes
Building
- RefurbishedYes
Energy performance
11a sits at the bottom of the postcode for energy efficiency — meaningful headroom to improve.
EPC Rating
Planning history
An application for an annexe is currently awaiting a decision.
- Feb 2026AnnexFullIn report
Erection of granny annexe to rear garden
- Documents
- 10 docs on file
- Reference
- 26/00378/HOU
- Sept 2024ExtensionFullIn report
Extension: Single storey · Side and rear of property
Erection of a single storey side and rear extension
- Documents
- 9 docs on file
- Reference
- 24/01557/HOU
What's in 11a, Kelvin Grove, Chessington, KT9 1DP's planning history?
1 more on this property, plus refusals, disputes and full decisions nearby, in the report.
Sales history & valuation
The latest sale landed in the post-pandemic price surge — useful context when reading the figure.
£835,000
Modelled from EPC, postcode comparables.
£750,000
Recorded with HM Land Registry.
Sales timeline
29 September 2021Most recent
£750,000
Median price across the last 5 sales in KT9 1DP: £790,000 (2022–2020).
Nearby sales in KT9 1DP
Versus other Kelvin Grove homes
EPC Rating for 11a lags the street by a wide margin.
Price per m²
£5,435
Street avg £4,532
Floor Area
138 m²
Street avg 147 m²
Habitable Rooms
7 rooms
Street avg 7 rooms
CO₂ Emissions
10.0 t/year
Street avg 7.1 t/year
Similar properties nearby
The neighbourhood at a glance
Reported crime in the wider district is trending notably upward year-on-year.
Crime
3/mo
Rising year-on-year across the wider district.
Nearest stop
0.2 km
Southborough High School — bus stop.
Closest school
0.3 km
Southborough High School. 28 schools nearby.
Go deeper on the local area
The full report breaks down crime, transport links, schools and air quality in depth.
Road noise across the postcode

Daytime· 07:00 – 23:00
57.2dB

Night-time· 23:00 – 07:00
49.4dB







