12a, Crow Hill, Borough Green, Sevenoaks, TN15 8HR
About 12a
12a is a detached house in Borough Green, Sevenoaks, Sevenoaks (TN15 8HR). It has a recorded floor area of 90 m² (around 969 sq ft) and construction records dating it to 2023. The latest certificate (May 2024) returns a high B (score 89), putting the home a stone's throw from an A rating.
On energy efficiency it sits in the top 10% of properties in this postcode. Across 2023–2024, sale prices on this property compounded at 89.8% per year. On a £-per-square-foot basis, the last sale (£475/sq ft) was about 85.6% above the typical sold price in the postcode. Sold October 2024 for £460,000.
Know exactly what you're buying at 12a
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
12a ranks among the most efficient homes in the postcode for energy use.
EPC Rating
Planning history
12a has no planning applications on record.
The full report still covers planning activity across the surrounding area.
We flagged 1 thing worth checking at 12a
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.
- Recent ownership pattern worth a look
30-day money-back guarantee
Sales history & valuation
Sale price has at least doubled since 2023.
£480,000
Modelled from EPC, postcode comparables and a sale-price growth of 89.8% per year over 1 year.
£460,000
Growth on file: 89.8% per year over 1 year.
Sales timeline
17 October 2024Most recent
£460,000
+360.0%over 1 year1 June 2023
£100,000
-47.4%1 June 2023
£190,000
Median price across the last 5 sales in TN15 8HR: £440,000 (2024–2015).
Nearby sales in TN15 8HR
27 Crow Hill, Borough Green, Sevenoaks, TN15 8HR
Sold Apr 2024
£495,0007 Crow Hill, Borough Green, Sevenoaks, TN15 8HR
Sold May 2023
£470,00018 Crow Hill, Borough Green, Sevenoaks, TN15 8HR
Sold Apr 2021
£440,00011 Crow Hill, Borough Green, Sevenoaks, TN15 8HR
Sold Apr 2015
£249,9505 Crow Hill, Borough Green, Sevenoaks, TN15 8HR
Sold Sept 2014
£339,000
Everything we know about 12a, in one report
What it's really worth, what could be wrong, and the planning, sales and area data in full.
What we flagged
- Recent ownership pattern worth a look

Versus other Crow Hill homes
On price per m², 12a stands well clear of the street.
Price per m²
£5,111
Street avg £3,533
Floor Area
90 m²
Street avg 98 m²
CO₂ Emissions
1.0 t/year
Street avg 4.0 t/year
Years Held
2 years
Street avg 10 years
Similar properties nearby
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1 Crow Hill Road, Borough Green
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1 Allingham Close, Borough Green
TN15 8FX
1 Church Villas, Long Mill Lane, Platt
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1 Crouch Lane, Borough Green
TN15 8LU
1 Claygate Cross Cottages, Winfield Lane, Borough Green
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1 Annetts Hall, Borough Green
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The neighbourhood at a glance
Rail-style transport is unusually close for this postcode.
Crime
3/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
Brockway — bus stop.
Closest school
0.3 km
Borough Green Primary School. 5 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
48.0dB

Night-time· 23:00 – 07:00
40.8dB