Barnett Field, Blackhall Lane, Sevenoaks, TN15 0HS
About Barnett Field
Barnett Field is a detached house in Sevenoaks (TN15 0HS). It has a recorded floor area of 649 m² (around 6986 sq ft), construction records dating it to 1900-1929 and council tax band H. The latest certificate (June 2025) shows a C (score 75), near the top of the C band. When first surveyed in June 2009 the rating was F, the property has climbed 3 bands since. Between certificates, window efficiency went from Very Poor to Good, hot-water efficiency went from Average to Good and lighting went from Poor to Very Good.
At 649 m² the property is well over the postcode median (257 m² across 4 EPCs), placing it in the larger end of the local stock. 4 planning records sit against the property, 3 approved, 0 refused. Past consents include tree works and an extension, meaningful when judging how the property has evolved.
Know exactly what you're buying at Barnett Field
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
Barnett Field'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 efficiency improved
Single glazing replaced with double or better glazing
Floor insulation added or improved
More low energy lighting installed
Planning history
- Mar 2025Tree WorksTreesIn report
Fell T1 Ash tree on front roadside boundary with large historical wound on lower main stem presenting tree risk to users of the highway.
- Documents
- 5 docs on file
- Reference
- 25/00297/WTPO
- Jul 2021ExtensionFullIn report
Proposed attached single storey garage to the north side elevation.
- Documents
- 10 docs on file
- Reference
- 21/01303/HOUSE
We flagged 1 thing worth checking at Barnett Field
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
Barnett Field has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£3,244,000
Modelled from EPC, postcode comparables.
No sales recorded with HM Land Registry
That can mean the property has never traded since the registry began publishing in 1995, was a new build that hasn't been registered yet, or is held in the same hands long-term.
Median price across the last 2 sales in TN15 0HS: £2,875,000 (2024–2011).
Everything we know about Barnett Field, 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 Blackhall Lane homes
Barnett Field outperforms the street on floor area by a wide margin.
EPC Rating
75 (C)
Street avg 77 (C)
Floor Area
649 m²
Street avg 295 m²
CO₂ Emissions
17.0 t/year
Street avg 6.4 t/year
Habitable Rooms
15 rooms
Street avg 9 rooms
Similar properties nearby
1 Blackhall Place, The Oast, Blackhall Lane
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1 Childsbridge Way, Seal
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1 Brook Cottages, Brook Lane, Plaxtol
TN15 0RF
1 Crown Point Cottage, Sevenoaks Road, Seal Chart
TN15 0HB
1 Broadhoath, Stone Street, Seal
TN15 0LX
1 Five Went Ways Cottages, Stone Street, Seal
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1 Forge View, Carters Hill, Underriver
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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
0.7 km
Serpentine Road — bus stop.
Closest school
0.9 km
St John's Church of England Primary School, Sevenoaks. 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
42.5dB
Night-time· 23:00 – 07:00
36.1dB