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23a, Ashen Grove Road, Knatts Valley, Sevenoaks, TN15 6YE

2 planning records
Property type
Semi-detached
Habitable rooms
5
From EPC
Floor area
145 m²
1561 sq ft
Energy rating
G
Score 19
Council tax
Band E
Tenure
Owner Occupied
Overview

About 23a

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

23a is a semi-detached house in Knatts Valley, Sevenoaks, Sevenoaks (TN15 6YE). It has a recorded floor area of 145 m² (around 1561 sq ft), construction records dating it to 1930-1949 and council tax band E. The latest certificate (February 2020) shows a G (score 19), near the bottom of the EPC scale. The recommended improvements would lift it to E (score 54), a 2-band jump. Main heating runs on lpg.

At 145 m² it sits well below the postcode median (214 m² across 24 EPCs), making it one of the more compact homes locally. On energy efficiency it sits in the bottom 10% of properties in this postcode — significant headroom for improvement. 2 planning records sit against the property, 1 approved, 1 refused. Past consents include an extension and a loft conversion, meaningful when judging how the property has evolved. Today's modelled estimate of £543,000 is 35.7% above the 2020 sale price. Last sale on file: £400,000 in May 2020.

Before you offer

Know exactly what you're buying at 23a

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.

23a sits at the bottom of the postcode for energy efficiency — meaningful headroom to improve.

EPC Rating

A
B
C
D
E
F
G
G19
Main Heating
Gas
Main Fuel
Gas
Hot Water
Poor
Windows
Average
CO2 Emissions
9.0 t/year
Occupancy
Owner Occupied
Planning

Planning history

Applications and permits filed against 23a, Ashen Grove Road, Knatts Valley, Sevenoaks, TN15 6YE, sourced from the PlanIt planning register.
  1. Dec 2020
    Loft ConversionFull
    In report

    Extension: Rear of property

    Rear extension with loft conversion.

    Extension
    Documents
    18 docs on file
    Reference
    20/03141/HOUSE
    View planning record
  2. Sept 2020
    Loft ConversionFull
    In report

    Hip to gable loft conversion with rear dormer extension.

    Documents
    14 docs on file
    Reference
    20/02097/HOUSE
    View planning record

What's in 23a, Ashen Grove Road, Knatts Valley, Sevenoaks, TN15 6YE's planning history?

Refusals, disputes and full decisions on this property and 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.

The latest sale landed in the post-pandemic price surge — useful context when reading the figure.

Current estimate

£543,000

Modelled from EPC, postcode comparables.

See how we calculated this
Last sold (2020)

£400,000

Recorded with HM Land Registry.

Sales timeline

  1. 11 May 2020Most recent

    £400,000

Median price across the last 5 sales in TN15 6YE: £970,000 (2025–2019).

Before you offer

Everything we know about 23a, 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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Preview of the full property report
On the street

Versus other Ashen Grove Road homes

Four headline reads against 24 similar houses on this street, drawn from the latest EPC and Land Registry data.

On epc rating, 23a runs well behind the street norm.

Price per m²

£2,759

Street avg £3,205

On par

Floor Area

145 m²

Street avg 218 m²

Below

Habitable Rooms

5 rooms

Street avg 7 rooms

Below

CO₂ Emissions

9.0 t/year

Street avg 8.0 t/year

On par
Comparables

Similar properties nearby

A handful of close matches in the same postcode area, ranked by likeness on bedrooms, type and floor area.
£539k

1 Brookfield, Kemsing

TN15 6SQ

3 bed2 bath
£562k

1 Church Road, West Kingsdown

TN15 6LL

3 bed
£521k

1 Blackberry Barn, Birchin Cross Road, Knatts Valley

TN15 6XH

£511k

1 Ash Tree Close, West Kingsdown

TN15 6JA

4 bed
£500k

1 Ash Tree Court, Ash Tree Drive, West Kingsdown

TN15 6LT

£499k

1 Astor Road, West Kingsdown

TN15 6HH

3 bed2 bath
£490k

1 Cleves Road, Kemsing

TN15 6RX

£489k

1 Boleyn Road, Kemsing

TN15 6RY

3 bed1 bath
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.
Full Sevenoaks report

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

0.5 km

East Hill Farm Park — bus stop.

Closest school

2.3 km

St. Edmund's Church of England Primary School. 1 school 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 6YE from Defra's strategic mapping. The pin marks this postcode's centroid.
Daytime road noise heatmap for TN15 6YE

Daytime· 07:00 – 23:00

40.4dB

Low
Night-time road noise heatmap for TN15 6YE

Night-time· 23:00 – 07:00

35.1dB

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 23a, Ashen Grove Road, Knatts Valley, Sevenoaks, TN15 6YE. Each answer is also embedded as structured data for search engines.