Horsnayles, Long Mill Lane, Crouch, Borough Green, Sevenoaks, TN15 8QB
About Horsnayles
Horsnayles is a detached house in Borough Green, Sevenoaks, Sevenoaks (TN15 8QB). It has a recorded floor area of 263 m² (around 2831 sq ft) and construction records dating it to 1900-1929. The latest certificate (April 2025) shows a D (score 66), on the cusp of jumping into the C band. The recommended improvements would push it to C (score 75). Main heating runs on oil.
Held since October 2005 — that's 21 years off the open market, well above the local norm. At 263 m² the property is well over the postcode median (195 m² across 7 EPCs), placing it in the larger end of the local stock. Today's modelled estimate of £1,397,000 sits 69.3% above the 2005 sale of £825,000. On a £-per-square-foot basis, the last sale (£291/sq ft) was about 40.6% above the typical sold price in the postcode. 5 planning records sit against the property, 5 approved, 0 refused. Past consents include an extension and a conservatory, meaningful when judging how the property has evolved.
Know exactly what you're buying at Horsnayles
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
Horsnayles's carbon output runs well above what efficient homes in the postcode produce.
EPC Rating
Planning history
Horsnayles has 3 separate extension applications on the council record.
- Sept 2010ConservatoryFullIn report
Extension: Rear of property
Rear conservatory extension
Extension- Documents
- 11 docs on file
- Reference
- 10/02117/FL
- Apr 2006ConservatoryIn report
Alterations to conservatory and gable end being a minor amendment to planning permission TM/05/03049/FL (Alteration to main roof and dormers, new dormer to front and enlarged conservatory to rear)
Extension- Documents
- 4 docs on file
- Reference
- 06/00759/ORM
What's in Horsnayles, Long Mill Lane, Crouch, Borough Green, Sevenoaks, TN15 8QB's planning history?
3 more on this property, plus refusals, disputes and full decisions nearby, in the report.
Sales history & valuation
Horsnayles valuation sits well clear of the typical sold price in this postcode.
£1,397,000
Modelled from EPC, postcode comparables.
£825,000
Recorded with HM Land Registry.
Sales timeline
9 October 2005Most recent
£825,000
Median price across the last 5 sales in TN15 8QB: £750,000 (2024–2019).
Nearby sales in TN15 8QB
Grimbles, Long Mill Lane, Crouch, Borough Green, Sevenoaks, TN15 8QB
Sold Jan 2024
£1,025,000Hawthorns, Long Mill Lane, Crouch, Borough Green, Sevenoaks, TN15 8QB
Sold Aug 2022
£1,430,0001 Crouch Cottages, Long Mill Lane, Crouch, Borough Green, Sevenoaks, TN15 8QB
Sold Aug 2019
£690,000Willow Cottage, Long Mill Lane, Crouch, Borough Green, Sevenoaks, TN15 8QB
Sold Aug 2019
£750,000Olde Forge, Long Mill Lane, Crouch, Borough Green, Sevenoaks, TN15 8QB
Sold Mar 2019
£1,010,000
Everything we know about Horsnayles, 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 Long Mill Lane homes
On years held, Horsnayles stands well clear of the street.
Price per m²
£3,137
Street avg £3,210
Floor Area
263 m²
Street avg 182 m²
Habitable Rooms
7 rooms
Street avg 6 rooms
CO₂ Emissions
8.7 t/year
Street avg 5.1 t/year
Similar properties nearby
1 Basted Mill, Basted Lane, Borough Green
TN15 8LP
1 Apple Barn Court, Long Mill Lane, Crouch, Borough Green
TN15 8QF
1 Crouch Cottages, Long Mill Lane, Crouch, Borough Green
TN15 8QB
1 Black Barn Cottages, Crouch Lane, Borough Green
TN15 8LX
1 Bangays Way, Borough Green
TN15 8FS
1 Eaglestone Close, Borough Green
TN15 8EL
1 Claygate Cross Cottages, Winfield Lane, Borough Green
TN15 8PX
1 Crouch Lane, Borough Green
TN15 8LU
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
1.6 km
Brockway — bus stop.
Closest school
1.8 km
Platt Church of England Voluntary Aided 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
42.6dB

Night-time· 23:00 – 07:00
35.7dB