21 Commonside, Keston, BR2 6BP
About 21 Commonside
21 Commonside is an end-of-terrace house in Keston (BR2 6BP). It has a recorded floor area of 177 m² (around 1905 sq ft), construction records dating it to before 1900 and council tax band E. The latest certificate (February 2020) shows a C (score 74). When first surveyed in April 2018 the rating was E, the property has climbed 2 bands since. Between certificates, wall efficiency went from Very Poor to Poor, roof efficiency went from Very Poor to Very Good and window efficiency went from Average to Good. The recommended improvements would push it to B (score 84).
Today's modelled estimate of £872,000 sits 58.5% above the 2018 sale of £550,000. 2 planning records sit against the property, 1 approved, 0 refused. Past consents include an extension and partial demolition, meaningful when judging how the property has evolved. Its energy rating outperforms most of the postcode (better than 79% of similar EPCs). Sold July 2018 for £550,000.
Know exactly what you're buying at 21 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
Energy performance
EPC Rating
Property Improvements
Changes detected from historical EPC data
Heating controls upgraded for better temperature management
Windows upgraded, improving insulation
Wall insulation improved
Loft insulation installed or upgraded to 250mm+
More low energy lighting installed
Planning history
Planning history includes recorded demolition works, indicating a major rebuild phase at this address.
- Apr 2019DemolitionFullIn report
Extension: Single storey · Side and rear of property
Demolition of existing side garage and existing rear extension - construct single storey side and rear extension
Extension- Documents
- 9 docs on file
- Reference
- 19/00486/FULL6
- Jun 2018Tree WorksTreesIn report
Row of Laurel/Shrubs along footpath - Remove.Group of Conifer at side boundary along footpath - Remove.Heavily pollarded Lime - Remove.Group of Conifers at rear boundary - Remove.Laurel at rear boundary - Remove.
- Agent
- Treemechanics
- Documents
- 3 docs on file
- Reference
- 18/02476/TREE
What's in 21 Commonside, Keston, BR2 6BP's planning history?
Refusals, disputes and full decisions on this property and nearby, in the report.
Sales history & valuation
21 Commonside valuation sits well clear of the typical sold price in this postcode.
£872,000
Modelled from EPC, postcode comparables.
£550,000
Recorded with HM Land Registry.
Sales timeline
29 July 2018Most recent
£550,000
Median price across the last 5 sales in BR2 6BP: £1,625,000 (2024–2019).
Everything we know about 21 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
21 Commonside outperforms the street on epc rating by a wide margin.
Price per m²
£3,107
Street avg £4,966
Floor Area
177 m²
Street avg 161 m²
Habitable Rooms
7 rooms
Street avg 7 rooms
CO₂ Emissions
4.5 t/year
Street avg 6.8 t/year
Similar properties nearby
1 Heathfield Close
BR2 6BJ
1 Leaves Green House, Leaves Green Road
BR2 6DU
1 Keston End, Leaves Green Road
BR2 6DT
1 High House Cottages, Ashmore Lane
BR2 6DH
1 Colliers Shaw
BR2 6JA
1 Church Road
BR2 6HT
1 Heritage Hill
BR2 6AU
1 Ebury Close
BR2 6EL
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