15 Platt Mill Close, Platt, Sevenoaks, TN15 8LR
About 15 Platt Mill Close
15 Platt Mill Close is a four-bedroom semi-detached house in Platt, Sevenoaks, Sevenoaks (TN15 8LR). It has a recorded floor area of 125 m² (around 1345 sq ft), construction records dating it to 1996-2002 and council tax band F. The latest certificate (June 2022) shows a C (score 75), near the top of the C band. The rating has held steady at C across 2 certificates since July 2012. Between certificates, lighting went from Average to Very Good; while roof efficiency dropped from Good to Average. The recommended improvements would push it to B (score 85).
At 125 m² the property is well over the postcode median (80 m² across 10 EPCs), placing it in the larger end of the local stock. It changed hands recently, sold July 2025 for £525,000. Across 2002–2025, sale prices on this property compounded at 3.3% per year. On a £-per-square-foot basis, the last sale (£390/sq ft) was about 36.6% above the typical sold price in the postcode.
Know exactly what you're buying at 15 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
- Bedrooms4
- Bathrooms2
- Dining roomYes
- CloakroomYes
- EnsuiteYes
Outside
- Private gardenSouth-facing
- GarageYes
Building
- Heating systemGas
Energy performance
EPC Rating
Property Improvements
Changes detected from historical EPC data
More low energy lighting installed
Planning history
15 Platt Mill Close has no planning applications on record.
The full report still covers planning activity across the surrounding area.
Sales history & valuation
15 Platt Mill Close has more than doubled in price since the earliest registered sale in 2002.
£537,000
Modelled from EPC, postcode comparables and a sale-price growth of 3.3% per year over 23 years.
£525,000
Growth on file: 3.3% per year over 23 years.
Sales timeline
20 July 2025Most recent
£525,000
+72.1%over 11 years14 August 2013
£305,000
+22.0%over 11 years13 May 2002
£250,000
Median price across the last 5 sales in TN15 8LR: £461,500 (2021–2015).
Nearby sales in TN15 8LR
12 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
£344,00010 Platt Mill Close, Platt, Sevenoaks, TN15 8LR
Sold Mar 2014
£249,950
Everything we know about 15 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
15 Platt Mill Close is notably below the street on years held.
Price per m²
£4,200
Street avg £3,771
Floor Area
125 m²
Street avg 86 m²
Habitable Rooms
6 rooms
Street avg 5 rooms
CO₂ Emissions
3.4 t/year
Street avg 2.9 t/year
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1 Crouch Lane, Borough Green
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1 Church Villas, Long Mill Lane, Platt
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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