9 Platt Mill Close, Platt, Sevenoaks, TN15 8LR
About 9 Platt Mill Close
9 Platt Mill Close is a three-bedroom mid-terrace house in Platt, Sevenoaks, Sevenoaks (TN15 8LR). It has a recorded floor area of 87 m² (around 936 sq ft), construction records dating it to 1996-2002 and council tax band E. The latest certificate (June 2023) shows a C (score 72). The recommended improvements would push it to B (score 86). The home occupies a cul-de-sac position.
Untraded for 24 years, with the last transfer in February 2002. Today's modelled estimate of £436,000 sits 135.7% above the 2002 sale of £185,000. On a £-per-square-foot basis, the last sale (£198/sq ft) was about 30.8% below the postcode norm.
Know exactly what you're buying at 9 Platt Mill Close
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
What this property has
Inside
- Bedrooms3
- Bathrooms2
Outside
- GarageIntegral
- Cul-de-sacYes
Energy performance
EPC Rating
Planning history
9 Platt Mill Close has no planning applications on record.
The full report still covers planning activity across the surrounding area.
Sales history & valuation
9 Platt Mill Close valuation sits well clear of the typical sold price in this postcode.
£436,000
Modelled from EPC, postcode comparables.
£185,000
Recorded with HM Land Registry.
Sales timeline
22 February 2002Most recent
£185,000
Median price across the last 5 sales in TN15 8LR: £470,000 (2025–2017).
Nearby sales in TN15 8LR
15 Platt Mill Close, Platt, Sevenoaks, TN15 8LR
Sold Jul 2025
£525,00012 Platt Mill Close, Platt, Sevenoaks, TN15 8LR
Sold Sept 2021
£550,00014 Platt Mill Close, Platt, Sevenoaks, TN15 8LR
Sold Aug 2021
£461,5007 Platt Mill Close, Platt, Sevenoaks, TN15 8LR
Sold Aug 2020
£327,5008 Platt Mill Close, Platt, Sevenoaks, TN15 8LR
Sold Apr 2015
£344,000
Everything we know about 9 Platt Mill Close, 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 Platt Mill Close homes
Price per m² for 9 Platt Mill Close lags the street by a wide margin.
Price per m²
£2,126
Street avg £4,002
Floor Area
87 m²
Street avg 89 m²
Habitable Rooms
5 rooms
Street avg 5 rooms
CO₂ Emissions
3.0 t/year
Street avg 3.0 t/year
Similar properties nearby
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1 Crouch Cottages, Long Mill Lane, Crouch, Borough Green
TN15 8QB
1 Annetts Hall, Borough Green
TN15 8DY
1 Black Horse Mews, Borough Green
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1 Ascot Close, Borough Green
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1 Allingham Close, Borough Green
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The neighbourhood at a glance
Rail-style transport is unusually close for this postcode.
Crime
3/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
Flour Mill — bus stop.
Closest school
0.5 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
47.5dB

Night-time· 23:00 – 07:00
40.1dB