20 Commonside, Keston, BR2 6BP
About 20 Commonside
20 Commonside is a two-bedroom mid-terrace house in Keston (BR2 6BP). It has a recorded floor area of 75 m² (around 807 sq ft), construction records dating it to before 1900 and council tax band D. The latest certificate (September 2020) shows an E (score 52), well below the UK norm with real room to improve. The rating has held steady at E across 3 certificates since March 2010. Between certificates, hot-water efficiency went from Average to Good, lighting went from Very Poor to Very Good and main heating went from Average to Good; while roof efficiency dropped from Poor to Very Poor. The recommended improvements would lift it to C (score 74), a 2-band jump. Records show the property has been extended at some point in its history.
At 75 m² it sits well below the postcode median (174 m² across 14 EPCs), making it one of the more compact homes locally. It lags the bulk of the postcode on energy efficiency (less efficient than 86% of similar EPCs). Sold July 2018 for £550,000. Across the public record there are 4 sales, relatively high churn for a single property. Across 1996–2018, sale prices on this property compounded at 7.4% per year. On a £-per-square-foot basis, the last sale (£681/sq ft) was about 109.2% above the typical sold price in the postcode. One planning record on file: an extension refused in 2012.
Know exactly what you're buying at 20 Commonside
Before you offer, see what the listing won't tell you, the true value, the red flags and the full history.
Valuation
against the asking price
Risks
planning & flood
Sold prices
similar homes nearby
Trends
the local market
What this property has
Inside
- Bedrooms2
- Bathrooms1
- Dining roomYes
- CloakroomYes
Outside
- Private gardenRear
- ParkingOff street
Building
- Previously extendedYes
Energy performance
Recommended upgrades on file would lift this property by multiple EPC bands.
EPC Rating
Property Improvements
Changes detected from historical EPC data
Heating controls upgraded for better temperature management
Hot water efficiency improved
More low energy lighting installed
Planning history
- Mar 2012ExtensionFullIn report
Extension: Single storey · Rear of property
Single storey rear extension
- Documents
- 10 docs on file
- Reference
- 12/00176/FULL6
What's in 20 Commonside, Keston, BR2 6BP's planning history?
Refusals, disputes and full decisions on this property and nearby, in the report.
Sales history & valuation
20 Commonside has more than quadrupled in price since its earliest registered sale in 1996.
£604,000
Modelled from EPC, postcode comparables and a sale-price growth of 7.4% per year over 22 years.
£550,000
Growth on file: 7.4% per year over 22 years.
Sales timeline
29 July 2018Most recent
£550,000
+77.4%over 8 years22 July 2010
£310,000
+81.3%over 10 years20 July 2000
£171,000
+53.4%over 4 years15 March 1996
£111,500
Median price across the last 5 sales in BR2 6BP: £1,625,000 (2024–2019).
Everything we know about 20 Commonside, in one report
What it's really worth, what could be wrong, and the planning, sales and area data in full.
- Am I paying too much?
- Is something wrong with it?
- Is the agent's story true?
- Will it hold its value?

Versus other Commonside homes
On price per m², 20 Commonside stands well clear of the street.
Price per m²
£7,333
Street avg £4,641
Floor Area
75 m²
Street avg 168 m²
Habitable Rooms
3 rooms
Street avg 7 rooms
CO₂ Emissions
4.2 t/year
Street avg 6.8 t/year
Similar properties nearby
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1 Leaves Green House, Leaves Green Road
BR2 6DU
1 Croydon Road
BR2 6EA
1 Holwood Cottages, Shire Lane
BR2 6AA
1 Colliers Shaw
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1 Lakes Road
BR2 6BN
The neighbourhood at a glance
Crime
4/mo
Steady year-on-year across the wider district.
Nearest stop
0.2 km
Keston / The Fox — bus stop.
Closest school
0.4 km
Keston Church of England Primary School. 14 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
52.3dB

Night-time· 23:00 – 07:00
44.0dB