18 Cavendish Avenue, Sevenoaks, TN13 3HP
About 18 Cavendish Avenue
18 Cavendish Avenue is a four-bedroom detached house in Sevenoaks (TN13 3HP). It has a recorded floor area of 140 m² (around 1507 sq ft), construction records dating it to 1950-1966 and council tax band F. The latest certificate (April 2024) shows a C (score 71). The recommended improvements would push it to B (score 84).
A recent sale: £850,000 in September 2025. 2 planning records sit against the property, 2 approved, 0 refused. Past consents include an extension and a conservatory, meaningful when judging how the property has evolved. Across 2005–2025, sale prices on this property compounded at 4.7% per year. On a £-per-square-foot basis, the last sale (£564/sq ft) was about 65.1% above the typical sold price in the postcode.
Know exactly what you're buying at 18 Cavendish Avenue
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
- Bathrooms3
- Dining roomYes
- CloakroomYes
- EnsuiteYes
Outside
- Private gardenRear
Energy performance
EPC Rating
Planning history
- Feb 2007ConservatoryFullIn report
Erection of a roof extension together with conservatory and veranda (Amendment to planning application SE/06/01131/FUL).
Extension- Documents
- 13 docs on file
- Reference
- 06/03347/FUL
- Jun 2006ConservatoryFullIn report
Roof extension, conservatory and verandah.
Extension- Documents
- 4 docs on file
- Reference
- 06/01131/FUL
What's in 18 Cavendish Avenue, Sevenoaks, TN13 3HP's planning history?
Refusals, disputes and full decisions on this property and nearby, in the report.
Sales history & valuation
Sale price has at least doubled since 2005.
£890,000
Modelled from EPC, postcode comparables and a sale-price growth of 4.7% per year over 20 years.
£850,000
Growth on file: 4.7% per year over 20 years.
Sales timeline
3 September 2025Most recent
£850,000
+146.4%over 19 years7 December 2005
£345,000
Median price across the last 5 sales in TN13 3HP: £800,000 (2021–2016).
Nearby sales in TN13 3HP
3 Cavendish Avenue, Sevenoaks, TN13 3HP
Sold Jun 2021
£800,00010 Cavendish Avenue, Sevenoaks, TN13 3HP
Sold Jul 2017
£832,0001 Cavendish Avenue, Sevenoaks, TN13 3HP
Sold Feb 2017
£657,5008 Cavendish Avenue, Sevenoaks, TN13 3HP
Sold Jul 2016
£870,0006 Cavendish Avenue, Sevenoaks, TN13 3HP
Sold Feb 2015
£890,000
Everything we know about 18 Cavendish Avenue, 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 Cavendish Avenue homes
Years Held for 18 Cavendish Avenue lags the street by a wide margin.
Price per m²
£6,071
Street avg £4,492
Floor Area
140 m²
Street avg 152 m²
Habitable Rooms
7 rooms
Street avg 7 rooms
CO₂ Emissions
4.5 t/year
Street avg 5.8 t/year
Similar properties nearby
1 Bethel Road
TN13 3UE
1 Charterhouse Drive
TN13 3YE
1 Chartway
TN13 3RU
1 Blair Drive
TN13 3JR
1 Cavendish Avenue
TN13 3HP
1 Bosville Avenue
TN13 3JE
1 Amherst Place
TN13 3BT
1 Chestnut Lane
TN13 3AR
The neighbourhood at a glance
Rail-style transport is unusually close for this postcode.
Crime
2/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
Bradbourne Farm — bus stop.
Closest school
0.3 km
Knole Academy. 11 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
49.9dB

Night-time· 23:00 – 07:00
41.8dB