Bretaneby, Flat 3, High Street, Seal, Sevenoaks, TN15 0AJ
About Bretaneby
Bretaneby is a two-bedroom semi-detached house in Seal, Sevenoaks, Sevenoaks (TN15 0AJ). It has a recorded floor area of 92 m² (around 993 sq ft), construction records dating it to before 1900 and council tax band E. The latest certificate (May 2011) shows a D (score 63), on the cusp of jumping into the C band. The recommended improvements would push it to C (score 69). The latest certificate is from May 2011, so improvements made since then won't be reflected.
It hasn't traded since January 1999, a hold of 27 years that's notably long for the area. Across 1996–1999, sale prices on this property compounded at 13.5% per year. Today's modelled estimate of £372,000 sits 161.1% above the 1999 sale of £142,500. On a £-per-square-foot basis, the last sale (£143/sq ft) was about 54.6% below the postcode norm. 2 planning records sit against the property, 0 approved, 0 refused. At 92 m² it's 18.7% smaller than the typical home in the postcode (114 m² median across 16 EPCs).
Know exactly what you're buying at Bretaneby
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
What this property has
Inside
- Bedrooms2
- Dining roomYes
Building
- Central heatingYes
Energy performance
Bretaneby's EPC is over a decade old — improvements since won't be reflected.
EPC Expired
This certificate is over 10 years old and is no longer valid.Expired 12 May 2021
EPC Rating
Planning history
Planning history at Bretaneby is exclusively tree-management applications — typical for a property with mature trees on or near the plot.
- May 2016Tree WorksTreesIn report
Fell one small Thuja tree (CA).
- Documents
- 3 docs on file
- Reference
- 16/01484/WTCA
- Feb 2014Tree WorksTreesIn report
Removal of one tree. (CA)
- Documents
- 3 docs on file
- Reference
- 14/00256/WTCA
We flagged 1 thing worth checking at Bretaneby
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
Bretaneby's estimated value is more than triple its earliest registered sale price (1996).
£372,000
Modelled from EPC, postcode comparables and a sale-price growth of 13.5% per year over 3 years.
£142,500
Growth on file: 13.5% per year over 3 years.
Sales timeline
15 January 1999Most recent
£142,500
+41.1%over 2 years24 April 1996
£101,000
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 Bretaneby, 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
CO₂ Emissions for Bretaneby lags the street by a wide margin.
EPC Rating
63 (D)
Street avg 61 (D)
Floor Area
92 m²
Street avg 65 m²
CO₂ Emissions
5.8 t/year
Street avg 3.4 t/year
Habitable Rooms
6 rooms
Street avg 3 rooms
Similar properties nearby
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Johnsons Court, Flat 17, School Lane, Seal
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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