12c, High Street, Seal, Sevenoaks, TN15 0AJ
About 12c
12c is a property in Seal, Sevenoaks, Sevenoaks (TN15 0AJ). It has a recorded floor area of 50 m² (around 538 sq ft). The latest certificate (March 2016) shows a C (score 71). The recommended improvements would push it to B (score 86). The latest certificate is from March 2016, so improvements made since then won't be reflected.
At 50 m² it sits well below the postcode median (114 m² across 16 EPCs), making it one of the more compact homes locally. Its energy rating outperforms most of the postcode (better than 81% of similar EPCs). Today's modelled estimate of £347,000 is 11.9% above the 2016 sale price. On a £-per-square-foot basis, the last sale (£576/sq ft) was about 103.4% above the typical sold price in the postcode. Last sold in April 2016, so it's been off the market for around 10 years.
Know exactly what you're buying at 12c
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
EPC Expired
This certificate is over 10 years old and is no longer valid.Expired 10 Mar 2026
EPC Rating
Planning history
12c has no planning applications on record.
Notable planning nearby
3applications of note in the surrounding area
We flagged 1 thing worth checking at 12c
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.
- Larger development activity nearby
30-day money-back guarantee
Sales history & valuation
£347,000
Modelled from EPC, postcode comparables.
£310,000
Recorded with HM Land Registry.
Sales timeline
7 April 2016Most recent
£310,000
Median price across the last 5 sales in TN15 0AJ: £560,000 (2025–2021).
Nearby sales in TN15 0AJ
22 High Street, Seal, Sevenoaks, TN15 0AJ
Sold Sept 2025
£255,000Abbots House, High Street, Seal, Sevenoaks, TN15 0AJ
Sold Jun 2023
£1,460,00014 High Street, Seal, Sevenoaks, TN15 0AJ
Sold Jan 2023
£560,00010 High Street, Seal, Sevenoaks, TN15 0AJ
Sold Mar 2021
£700,0008 High Street, Seal, Sevenoaks, TN15 0AJ
Sold Mar 2021
£388,000
Everything we know about 12c, in one report
What it's really worth, what could be wrong, and the planning, sales and area data in full.
What we flagged
- Larger development activity nearby
Versus other High Street homes
On years held, 12c stands well clear of the street.
Price per m²
£6,200
Street avg £4,349
Floor Area
50 m²
Street avg 138 m²
CO₂ Emissions
1.7 t/year
Street avg 5.4 t/year
Years Held
10 years
Street avg 5 years
Similar properties nearby
1 Bentleys Meadow, Seal
TN15 0DA
1 Council Cottage, Underriver
TN15 0SB
1 Church Terrace, Church Road, Seal
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1 Dux Hill Cottages, Dux Hill, Plaxtol
TN15 0RD
1 Church Road, Stone Street, Seal
TN15 0LL
1 Church Field Cottages, Landway, Seal
TN15 0DR
1 Broom Cottages, Seal Chart
TN15 0EX
1 Bourne Vale, Plaxtol
TN15 0QT
The neighbourhood at a glance
Daytime road noise here sits well below conversation level — a quiet pocket of the postcode.
Crime
3/mo
Steady year-on-year across the wider district.
Nearest stop
0.0 km
The Crown — bus stop.
Closest school
0.5 km
Seal 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
48.0dB
Night-time· 23:00 – 07:00
40.6dB