Billet House, Crowhurst Lane, Ash, Sevenoaks, TN15 7HH
About Billet House
Billet House is a detached house in Ash, Sevenoaks, Sevenoaks (TN15 7HH). It has a recorded floor area of 335 m² (around 3611 sq ft), construction records dating it to before 1900 and council tax band H. The latest certificate (August 2010) shows an E (score 45), well below the UK norm with real room to improve. Main heating runs on oil. The latest certificate is from August 2010, so improvements made since then won't be reflected.
7 planning records sit against the property, 2 approved, 3 refused. Past consents include an extension, a porch and partial demolition, meaningful when judging how the property has evolved. On the market in July 2016 and unlisted since — roughly 10 years. Across 2008–2016, sale prices on this property compounded at 4.7% per year. Today's modelled estimate of £1,588,000 is 13.4% above the 2016 sale price.
Know exactly what you're buying at Billet House
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
Billet House's carbon output runs well above what efficient homes in the postcode produce.
EPC Expired
This certificate is over 10 years old and is no longer valid.Expired 08 Aug 2020
EPC Rating
Planning history
Planning history includes recorded demolition works, indicating a major rebuild phase at this address.
- Oct 2012OutbuildingOtherIn report
Erection of tractor shed and feed store.
- Documents
- 8 docs on file
- Reference
- 12/02633/AGRNOT
- Jul 2012OutbuildingOtherIn report
Erection of proposed tractor shed and feed store.
- Documents
- 7 docs on file
- Reference
- 12/01779/AGRNOT
We flagged 1 thing worth checking at Billet House
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
£1,588,000
Modelled from EPC, postcode comparables and a sale-price growth of 4.7% per year over 8 years.
£1,400,000
Growth on file: 4.7% per year over 8 years.
Sales timeline
26 July 2016Most recent
£1,400,000
+43.6%over 7 years25 August 2008
£975,000
Median price across the last 1 sales in TN15 7HH: £265,000 (2020–2020).
Nearby sales in TN15 7HH
Everything we know about Billet House, 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

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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
1.1 km
Ash Road — bus stop.
Closest school
1.9 km
New Ash Green 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
47.5dB

Night-time· 23:00 – 07:00
40.5dB