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Dalesfield, Long Mill Lane, Platt, Sevenoaks, TN15 8LZ

4 sales on record3 planning records
Property type
Detached
Habitable rooms
8
From EPC
Floor area
206 m²
2217 sq ft
Energy rating
C
Score 71
Council tax
Band G
Tenure
Private Rental
Overview

About Dalesfield

A plain-English summary derived from public records, EPC certificates, sold prices and local data.

Dalesfield is a detached house in Platt, Sevenoaks, Sevenoaks (TN15 8LZ). It has a recorded floor area of 206 m² (around 2217 sq ft), construction records dating it to 1930-1949 and council tax band G. The latest certificate (July 2025) shows a C (score 71). When first surveyed in March 2009 the rating was D, the property has climbed 1 band since. Between certificates, wall efficiency went from Poor to Good and lighting went from Very Poor to Good.

At 206 m² the property is well over the postcode median (128 m² across 9 EPCs), placing it in the larger end of the local stock. Its energy rating outperforms most of the postcode (better than 89% of similar EPCs). Last sold in January 2016, so it's been off the market for around 10 years. Across the public record there are 4 sales, relatively high churn for a single property. 3 planning records sit against the property, 1 approved, 2 refused. Past consents include an extension, meaningful when judging how the property has evolved. Across 1997–2016, sale prices on this property compounded at 7.2% per year. Today's modelled estimate of £960,000 is 20% above the 2016 sale price. On a £-per-square-foot basis, the last sale (£361/sq ft) was about 19.7% above the typical sold price in the postcode.

Before you offer

Know exactly what you're buying at Dalesfield

Before you offer, see what the listing won't tell you, the true value, the red flags and the full history.

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Valuation

against the asking price

Risks

planning & flood

Sold prices

similar homes nearby

Trends

the local market

Energy

Energy performance

Every EPC certificate filed against this property — current rating, recorded improvements, and where there's headroom to reach a higher band.
Current Certificate(1 of 3)
Jul 2025

EPC Rating

A
B
C
C71
D
E
F
G
Main Heating
Gas
Main Fuel
Gas
Hot Water
Good
Windows
Average
CO2 Emissions
5.8 t/year
Occupancy
Rented

Property Improvements

Changes detected from historical EPC data

Jul 2015from Mar 2009
Wall Insulation
UninsulatedInsulated Cavity

Cavity wall insulation installed

Jul 2025from Jul 2015
EPC improved fromD68toC71
Roof
AverageGood

Roof insulation improved

Low Energy Lighting
0%100%

More low energy lighting installed

Planning

Planning history

Applications and permits filed against Dalesfield, Long Mill Lane, Platt, Sevenoaks, TN15 8LZ, sourced from the PlanIt planning register.
  1. Jul 2010
    ExtensionFull
    In report

    Extension: Single storey

    Single storey extensions and internal alterations

    Documents
    11 docs on file
    Reference
    10/01293/FL
    View planning record
  2. Apr 2005
    Garage ConversionFull
    In report

    Construction of detached double garage and conversion of integral garage to living space

    Documents
    3 docs on file
    Reference
    05/00499/FL
    View planning record

What's in Dalesfield, Long Mill Lane, Platt, Sevenoaks, TN15 8LZ's planning history?

1 more on this property, plus refusals, disputes and full decisions nearby, in the report.

Price

Sales history & valuation

Recorded transactions, our model's current estimate, and a quick read on what neighbouring properties have sold for.

Dalesfield has more than tripled in price since its earliest registered sale in 1997.

Current estimate

£960,000

Modelled from EPC, postcode comparables and a sale-price growth of 7.2% per year over 19 years.

See how we calculated this
Last sold (2016)

£800,000

Growth on file: 7.2% per year over 19 years.

Sales timeline

  1. 25 January 2016Most recent

    £800,000

    +33.3%over 6 years
  2. 13 November 2009

    £600,000

    +20.0%over 5 years
  3. 3 June 2004

    £499,999

    +127.3%over 7 years
  4. 29 May 1997

    £220,000

Median price across the last 5 sales in TN15 8LZ: £430,000 (2024–2015).

Before you offer

Everything we know about Dalesfield, 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?
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On the street

Versus other Long Mill Lane homes

Four headline reads against 9 similar houses on this street, drawn from the latest EPC and Land Registry data.

Dalesfield outperforms the street on epc rating by a wide margin.

Price per m²

£3,883

Street avg £4,022

On par

Floor Area

206 m²

Street avg 135 m²

Strongly above

Habitable Rooms

8 rooms

Street avg 6 rooms

Strongly above

CO₂ Emissions

5.8 t/year

Street avg 7.1 t/year

On par
Area

The neighbourhood at a glance

A condensed read of the local area. Each tile links through to the full breakdown on the Sevenoaks district page.

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

0.3 km

Flour Mill — bus stop.

Closest school

0.4 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.

Noise

Road noise across the postcode

Modelled day and night-time noise levels around TN15 8LZ from Defra's strategic mapping. The pin marks this postcode's centroid.
Daytime road noise heatmap for TN15 8LZ

Daytime· 07:00 – 23:00

47.2dB

Low
Night-time road noise heatmap for TN15 8LZ

Night-time· 23:00 – 07:00

39.5dB

Low
55 dB
60 dB
65 dB
70 dB
75 dB
80 dB
Defra Road Noise Strategic Mapping, Round 4
FAQ

Common questions

The questions buyers, sellers and homeowners most often ask about Dalesfield, Long Mill Lane, Platt, Sevenoaks, TN15 8LZ. Each answer is also embedded as structured data for search engines.