Maddox House, Long Mill Lane, Platt, Sevenoaks, TN15 8NA
About Maddox House
Maddox House is a detached house in Platt, Sevenoaks, Sevenoaks (TN15 8NA). It has a recorded floor area of 203 m² (around 2188 sq ft) and council tax band G. The latest certificate (September 2009) shows a C (score 77), near the top of the C band. The latest certificate is from September 2009, so improvements made since then won't be reflected.
Last sold in May 2017, so it's been off the market for around 9 years. 3 planning records sit against the property, 1 approved, 0 refused. Across 2010–2017, sale prices on this property compounded at 3.5% per year. Today's modelled estimate of £965,000 is 18.4% above the 2017 sale price.
Know exactly what you're buying at Maddox House
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
Maddox House'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This certificate is over 10 years old and is no longer valid.Expired 20 Sept 2019
EPC Rating
Planning history
- Apr 2013TreesIn report
Cut back overhanging Hawthorn from the property behind back to fencing
- Documents
- 3 docs on file
- Reference
- 12/01668/TNCA
- Apr 2012Tree WorksTreesIn report
Coppice row of Hawthorns to ground level
- Documents
- 5 docs on file
- Reference
- 12/00890/TNCA
What's in Maddox House, Long Mill Lane, Platt, Sevenoaks, TN15 8NA's planning history?
1 more on this property, plus refusals, disputes and full decisions nearby, in the report.
Sales history & valuation
Maddox House valuation sits well clear of the typical sold price in this postcode.
£965,000
Modelled from EPC, postcode comparables and a sale-price growth of 3.5% per year over 7 years.
£815,000
Growth on file: 3.5% per year over 7 years.
Sales timeline
4 May 2017Most recent
£815,000
+28.3%over 7 years10 February 2010
£635,000
Median price across the last 5 sales in TN15 8NA: £1,320,000 (2022–2016).
Nearby sales in TN15 8NA
Dales, Long Mill Lane, Platt, Sevenoaks, TN15 8NA
Sold Sept 2022
£1,320,0001 Maddox Cottages, Long Mill Lane, Platt, Sevenoaks, TN15 8NA
Sold Oct 2021
£470,000Little Platt, Long Mill Lane, Platt, Sevenoaks, TN15 8NA
Sold Aug 2017
£900,000Wismer, Long Mill Lane, Platt, Sevenoaks, TN15 8NA
Sold Jan 2017
£1,420,000Lambourne House, Long Mill Lane, Platt, Sevenoaks, TN15 8NA
Sold Jul 2016
£1,500,000
Everything we know about Maddox House, 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
Maddox House is notably below the street on years held.
Price per m²
£4,009
Street avg £4,236
Floor Area
203 m²
Street avg 196 m²
CO₂ Emissions
4.5 t/year
Street avg 5.7 t/year
Years Held
9 years
Street avg 13 years
Similar properties nearby
1 Apple Barn Court, Long Mill Lane, Crouch, Borough Green
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1 Crouch Cottages, Long Mill Lane, Crouch, Borough Green
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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 Basted Mill, Basted Lane, Borough Green
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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
0.6 km
Flour Mill — bus stop.
Closest school
0.7 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
45.7dB

Night-time· 23:00 – 07:00
37.5dB