18a, Copperfields, Kemsing, Sevenoaks, TN15 6QG
About 18a
18a is a detached house in Kemsing, Sevenoaks, Sevenoaks (TN15 6QG). It has a recorded floor area of 140 m² (around 1507 sq ft) and construction records dating it to 2021. The latest certificate (March 2021) returns a high B (score 85), putting the home a stone's throw from an A rating. The recommended improvements would push it to A (score 93).
On energy efficiency it sits in the top 10% of properties in this postcode. On a £-per-square-foot basis, the last sale (£519/sq ft) was about 75.5% above the typical sold price in the postcode. Sold August 2022 for £782,500. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.
Know exactly what you're buying at 18a
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
18a ranks among the most efficient homes in the postcode for energy use.
EPC Rating
Planning history
18a has no planning applications on record.
The full report still covers planning activity across the surrounding area.
Sales history & valuation
The latest sale landed in the post-pandemic price surge — useful context when reading the figure.
£794,000
Modelled from EPC, postcode comparables.
£782,500
Recorded with HM Land Registry.
Sales timeline
18 August 2022Most recent
£782,500
Median price across the last 5 sales in TN15 6QG: £825,000 (2025–2021).
Nearby sales in TN15 6QG
28 Copperfields, Kemsing, Sevenoaks, TN15 6QG
Sold Mar 2025
£830,00042 Copperfields, Kemsing, Sevenoaks, TN15 6QG
Sold Jul 2024
£875,00026 Copperfields, Kemsing, Sevenoaks, TN15 6QG
Sold Nov 2023
£718,0005 Copperfields, Kemsing, Sevenoaks, TN15 6QG
Sold Aug 2022
£825,00030 Copperfields, Kemsing, Sevenoaks, TN15 6QG
Sold Sept 2021
£600,000
Everything we know about 18a, 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 Copperfields homes
18a outperforms the street on epc rating by a wide margin.
Price per m²
£5,589
Street avg £3,847
Floor Area
140 m²
Street avg 155 m²
CO₂ Emissions
2.1 t/year
Street avg 7.3 t/year
Years Held
4 years
Street avg 8 years
Similar properties nearby
1 Copperfields Close, Kemsing
TN15 6QW
1 Childsbridge Lane, Kemsing
TN15 6TH
1 Bayldon House, School Lane, West Kingsdown
TN15 6JN
1 Botsom Cottages, Botsom Lane, West Kingsdown
TN15 6BL
1 Barrowfield Mews, London Road, West Kingsdown
TN15 6EU
1 Barnfield Crescent, Kemsing
TN15 6SE
1 Bowden Court, Childsbridge Lane, Kemsing
TN15 6TQ
1 Barclay Field, Kemsing
TN15 6SN
The neighbourhood at a glance
Crime
3/mo
Steady year-on-year across the wider district.
Nearest stop
0.2 km
Library — bus stop.
Closest school
0.6 km
Kemsing Primary School. 4 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
50.0dB

Night-time· 23:00 – 07:00
42.7dB