Longlands, Blackness Lane, Keston, BR2 6HL
About Longlands
Longlands is a detached house in Keston (BR2 6HL). It has a recorded floor area of 156 m² (around 1679 sq ft), construction records dating it to 1950-1966 and council tax band D. The latest certificate (May 2018) shows a D (score 58), a step below the typical UK home. When first surveyed in March 2009 the rating was F, the property has climbed 2 bands since. Between certificates, wall efficiency went from Very Poor to Poor, window efficiency went from Very Poor to Average and hot-water efficiency went from Average to Good; while roof efficiency dropped from Average to Very Poor. The recommended improvements would push it to C (score 80).
Untraded for 17 years, with the last transfer in August 2009. That sale fell during the post-crash dip, which often skews comparisons against later neighbouring sales. Today's modelled estimate of £709,000 sits 136.3% above the 2009 sale of £300,000. On a £-per-square-foot basis, the last sale (£179/sq ft) was about 34.4% below the postcode norm. 6 planning records sit against the property, 3 approved, 2 refused. Past consents include an extension, meaningful when judging how the property has evolved.
Know exactly what you're buying at Longlands
Before you offer, see what the listing won't tell you, the true value, the red flags and the full history.
Already flagged here
Valuation
against the asking price
Risks
planning & flood
Sold prices
similar homes nearby
Trends
the local market
Energy performance
Longlands's carbon output runs well above what efficient homes in the postcode produce.
EPC Rating
Property Improvements
Changes detected from historical EPC data
Heating controls upgraded for better temperature management
Hot water system upgraded
Single glazing replaced with double or better glazing
Wall insulation improved
More low energy lighting installed
Planning history
A an annexe application was refused at Longlands in 2022.
- Apr 2022AnnexFullIn report
Existing agricultural garage / outbuilding to be converted into a home office / summer house.
- Documents
- 11 docs on file
- Reference
- 22/00535/FULL6
- Feb 2016ExtensionFullIn report
Extension: Single storey · Side and rear of property
Single storey rear/ side extension, roof alterations to provide additional habitable accommodation incorporating rear dormer and additional hardstanding to front
- Agent
- SD Building Plans Ltd
- Documents
- 13 docs on file
- Reference
- 15/04797/FULL6
We flagged 1 thing worth checking at Longlands
Independent checks surfaced things a buyer would want to understand before offering. The report explains each one in full, with the underlying data and what to ask.
- A planning decision worth checking
30-day money-back guarantee
Sales history & valuation
The latest sale fell during the post-2008 dip, often a low-water mark in price comparisons.
£709,000
Modelled from EPC, postcode comparables.
£300,000
Recorded with HM Land Registry.
Sales timeline
27 August 2009Most recent
£300,000
Median price across the last 5 sales in BR2 6HL: £806,500 (2025–2023).
Nearby sales in BR2 6HL
Kelty, Blackness Lane, Keston, BR2 6HL
Sold Mar 2025
£806,500Hansler, Blackness Lane, Keston, BR2 6HL
Sold Nov 2024
£885,0001 Orchard Place, Blackness Lane, Keston, BR2 6HL
Sold Aug 2024
£1,010,000Strathallan, Blackness Lane, Keston, BR2 6HL
Sold Aug 2024
£785,000Foxley, Blackness Lane, Keston, BR2 6HL
Sold Jan 2023
£795,000
Everything we know about Longlands, in one report
What it's really worth, what could be wrong, and the planning, sales and area data in full.
What we flagged
- A planning decision worth checking

Versus other Blackness Lane homes
On price per m², Longlands runs well behind the street norm.
Price per m²
£1,923
Street avg £4,449
Floor Area
156 m²
Street avg 165 m²
Habitable Rooms
7 rooms
Street avg 6 rooms
CO₂ Emissions
7.1 t/year
Street avg 5.3 t/year
Similar properties nearby
1 High House Cottages, Ashmore Lane
BR2 6DH
1 Keston End, Leaves Green Road
BR2 6DT
1 Leaves Green House, Leaves Green Road
BR2 6DU
1 Blackness Cottages, Blackness Lane
BR2 6HP
1 Holwood Cottages, Shire Lane
BR2 6AA
1 Lakes Road
BR2 6BN
1 Landau Terrace, 65 Croydon Road
BR2 6EH
1 Heathfield Close
BR2 6BJ
The neighbourhood at a glance
Crime
4/mo
Steady year-on-year across the wider district.
Nearest stop
0.3 km
Blackness Lane — bus stop.
Closest school
1.7 km
Keston Church of England Primary School. 7 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
50.1dB

Night-time· 23:00 – 07:00
42.0dB