11 Basted Mill, Basted Lane, Borough Green, Sevenoaks, TN15 8LP
About 11 Basted Mill
11 Basted Mill is a semi-detached house in Borough Green, Sevenoaks, Sevenoaks (TN15 8LP). It has a recorded floor area of 73 m² (around 786 sq ft), construction records dating it to 1996-2002 and council tax band F. The latest certificate (February 2026) shows a C (score 72). The rating has held steady at C across 2 certificates since August 2016. Between certificates, window efficiency dropped from Average to Poor and lighting dropped from Good to Average. The recommended improvements would push it to B (score 86). This certificate was lodged in the last six months, so the rating reflects current condition.
Held since February 1999 — that's 27 years off the open market, well above the local norm. Only one transfer is on record with HM Land Registry, suggesting it has stayed in the same hands for a long time. Today's modelled estimate of £515,000 sits 232.3% above the 1999 sale of £155,000. On a £-per-square-foot basis, the last sale (£197/sq ft) was about 32.9% below the postcode norm. At 73 m² it's 22.9% smaller than the typical home in the postcode (95 m² median across 18 EPCs).
Know exactly what you're buying at 11 Basted Mill
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
The EPC has just been inspected, so the rating reflects current condition.
EPC Rating
Planning history
11 Basted Mill has no planning applications on record.
The full report still covers planning activity across the surrounding area.
Sales history & valuation
11 Basted Mill's estimated value is more than triple its earliest registered sale price (1999).
£515,000
Modelled from EPC, postcode comparables.
£155,000
Recorded with HM Land Registry.
Sales timeline
22 February 1999Most recent
£155,000
Median price across the last 5 sales in TN15 8LP: £535,000 (2025–2024).
Nearby sales in TN15 8LP
17 Basted Mill, Basted Lane, Borough Green, Sevenoaks, TN15 8LP
Sold Sept 2025
£470,0006 Basted Mill, Basted Lane, Borough Green, Sevenoaks, TN15 8LP
Sold Jul 2025
£1,075,00025 Basted Mill, Basted Lane, Borough Green, Sevenoaks, TN15 8LP
Sold May 2025
£535,00029 Basted Mill, Basted Lane, Borough Green, Sevenoaks, TN15 8LP
Sold Aug 2024
£500,0001 Basted Mill, Basted Lane, Borough Green, Sevenoaks, TN15 8LP
Sold Aug 2024
£1,575,000
Everything we know about 11 Basted Mill, 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 Basted Mill homes
On co₂ emissions, 11 Basted Mill stands well clear of the street.
Price per m²
£2,123
Street avg £4,440
Floor Area
73 m²
Street avg 115 m²
Habitable Rooms
5 rooms
Street avg 5 rooms
CO₂ Emissions
2.4 t/year
Street avg 3.6 t/year
Similar properties nearby
1 Crouch Lane, Borough Green
TN15 8LU
1 Church Villas, Long Mill Lane, Platt
TN15 8LZ
1 Allingham Close, Borough Green
TN15 8FX
1 Claygate Cross Cottages, Winfield Lane, Borough Green
TN15 8PX
1 Crow Hill Road, Borough Green
TN15 8HH
1 Brickmakers Meadows, Platt
TN15 8NQ
1 Fairview Cottages, Crouch Lane, Borough Green
TN15 8QL
1 Eaglestone Close, Borough Green
TN15 8EL
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
1.3 km
The Black Horse — bus stop.
Closest school
1.6 km
Borough Green Primary School. 5 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
43.6dB

Night-time· 23:00 – 07:00
36.1dB