18 Astor Road, West Kingsdown, Sevenoaks, TN15 6HH
About 18 Astor Road
18 Astor Road is a three-bedroom semi-detached house in West Kingsdown, Sevenoaks, Sevenoaks (TN15 6HH). It has a recorded floor area of 223 m² (around 2400 sq ft), construction records dating it to 1967-1975 and council tax band E. The latest certificate (October 2025) shows a C (score 71). When first surveyed in October 2008 the rating was E, the property has climbed 2 bands since. Between certificates, hot-water efficiency went from Poor to Good, lighting went from Very Poor to Very Good and main heating went from Average to Good; while roof efficiency dropped from Average to Very Poor. The recommended improvements would push it to B (score 83).
At 223 m² the property is well over the postcode median (100 m² across 14 EPCs), placing it in the larger end of the local stock. Across 2002–2018, sale prices on this property compounded at 5.3% per year. Today's modelled estimate of £609,000 sits 60.3% above the 2018 sale of £380,000. On a £-per-square-foot basis, the last sale (£158/sq ft) was about 32.5% below the postcode norm. Most recent transfer: August 2018 at £380,000. Across the public record there are 5 sales, relatively high churn for a single property. 3 planning records sit against the property, 2 approved, 1 refused. Past consents include a loft conversion and an extension, meaningful when judging how the property has evolved.
Know exactly what you're buying at 18 Astor Road
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
- Open-plan layoutYes
- Dining roomYes
- CloakroomYes
Outside
- Private gardenRear
Building
- Heating systemElectric
Energy performance
18 Astor Road's carbon output runs well above what efficient homes in the postcode produce.
EPC Rating
Property Improvements
Changes detected from historical EPC data
Heating controls upgraded for better temperature management
Hot water system upgraded
Cavity wall insulation installed
Loft insulation upgraded to recommended levels
Roof insulation improved
Hot water efficiency improved
More low energy lighting installed
Planning history
- Sept 2020Loft ConversionOutlineIn report
Loft conversion erection of dormer to the rear roof slope and removal of chimney stack..
- Documents
- 7 docs on file
- Reference
- 20/02036/LDCPR
- Dec 2019ExtensionFullIn report
Extension: Part single, part two storey · Side and rear of property
Demolition of existing and side extensions. Erection of a two storey side and single storey rear extensions.
- Documents
- 8 docs on file
- Reference
- 19/02930/HOUSE
What's in 18 Astor Road, West Kingsdown, Sevenoaks, TN15 6HH's planning history?
1 more on this property, plus refusals, disputes and full decisions nearby, in the report.
Sales history & valuation
Sale price has at least doubled since 2002.
£609,000
Modelled from EPC, postcode comparables and a sale-price growth of 5.3% per year over 16 years.
£380,000
Growth on file: 5.3% per year over 16 years.
Sales timeline
29 August 2018Most recent
£380,000
+32.2%over 3 years27 August 2015
£287,500
+19.8%over 3 years14 June 2012
£240,000
-2.4%over 6 years17 May 2006
£246,000
+50.9%over 4 years8 March 2002
£163,000
Median price across the last 5 sales in TN15 6HH: £360,000 (2024–2016).
Nearby sales in TN15 6HH
3 Astor Road, West Kingsdown, Sevenoaks, TN15 6HH
Sold Feb 2024
£440,0007 Astor Road, West Kingsdown, Sevenoaks, TN15 6HH
Sold Mar 2021
£475,00017 Astor Road, West Kingsdown, Sevenoaks, TN15 6HH
Sold Jan 2019
£358,00015 Astor Road, West Kingsdown, Sevenoaks, TN15 6HH
Sold Oct 2018
£360,0008 Astor Road, West Kingsdown, Sevenoaks, TN15 6HH
Sold Mar 2016
£340,500
Everything we know about 18 Astor Road, 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 Astor Road homes
Price per m² for 18 Astor Road lags the street by a wide margin.
Price per m²
£1,704
Street avg £2,979
Floor Area
223 m²
Street avg 103 m²
Habitable Rooms
7 rooms
Street avg 5 rooms
CO₂ Emissions
6.9 t/year
Street avg 4.5 t/year
Similar properties nearby
1 Church Road, West Kingsdown
TN15 6LL
1 Brookfield, Kemsing
TN15 6SQ
1 Astor Road, West Kingsdown
TN15 6HH
1 Childsbridge Lane, Kemsing
TN15 6TH
1 Boleyn Road, Kemsing
TN15 6RY
1 Barclay Field, Kemsing
TN15 6SN
1 Barnfield Crescent, Kemsing
TN15 6SE
1 Ash Tree Close, West Kingsdown
TN15 6JA
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
0.2 km
Hever Road Shops — bus stop.
Closest school
1.1 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.
Road noise across the postcode

Daytime· 07:00 – 23:00
49.8dB

Night-time· 23:00 – 07:00
42.0dB