28 29, Ashen Grove Road, Knatts Valley, Sevenoaks, TN15 6YE
About 28 29
28 29 is a detached house in Knatts Valley, Sevenoaks, Sevenoaks (TN15 6YE). It has a recorded floor area of 155 m² (around 1668 sq ft) and construction records dating it to 1900-1929. The latest certificate (January 2026) shows a C (score 70). The recommended improvements would push it to B (score 91). Main heating runs on electricity. This certificate was lodged in the last six months, so the rating reflects current condition.
7 planning records sit against the property, 4 approved, 1 refused. Past consents include an extension, meaningful when judging how the property has evolved. At 155 m² it's 27.6% smaller than the typical home in the postcode (214 m² median across 24 EPCs). Its energy rating outperforms most of the postcode (better than 83% of similar EPCs). On a £-per-square-foot basis, the last sale (£390/sq ft) was about 52.5% above the typical sold price in the postcode. 8 years since the last transfer (May 2018).
Know exactly what you're buying at 28 29
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
Energy performance
28 29's carbon output is low for the local stock.
EPC Rating
Planning history
28 29 has 2 separate extension applications on the council record.
- Apr 2025ConditionsIn report
Details pursuant of condition 3 (Construction Ecological Management Plan) of 25/00342/HOUSE.
- Documents
- 5 docs on file
- Reference
- 25/01239/DETAIL
- Jan 2026OutbuildingFullIn report
Swimming pool with associated works.
- Documents
- 14 docs on file
- Reference
- 25/02422/HOUSE
What's in 28 29, Ashen Grove Road, Knatts Valley, Sevenoaks, TN15 6YE's planning history?
5 more on this property, plus refusals, disputes and full decisions nearby, in the report.
Sales history & valuation
£650,000
Recorded with HM Land Registry.
Sales timeline
13 May 2018Most recent
£650,000
Median price across the last 5 sales in TN15 6YE: £970,000 (2025–2020).
Nearby sales in TN15 6YE
19 Ashen Grove Road, Knatts Valley, Sevenoaks, TN15 6YE
Sold Sept 2025
£1,150,000The Birches, Ashen Grove Road, Knatts Valley, Sevenoaks, TN15 6YE
Sold Dec 2022
£910,00014 Ashen Grove Road, Knatts Valley, Sevenoaks, TN15 6YE
Sold Nov 2022
£1,075,000Chellowdene, Ashen Grove Road, Knatts Valley, Sevenoaks, TN15 6YE
Sold Nov 2020
£970,00023a, Ashen Grove Road, Knatts Valley, Sevenoaks, TN15 6YE
Sold May 2020
£400,000
Everything we know about 28 29, 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 Ashen Grove Road homes
On co₂ emissions, 28 29 stands well clear of the street.
Price per m²
£4,194
Street avg £3,121
Floor Area
155 m²
Street avg 218 m²
Habitable Rooms
5 rooms
Street avg 7 rooms
CO₂ Emissions
1.2 t/year
Street avg 8.3 t/year
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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
0.5 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.
Road noise across the postcode

Daytime· 07:00 – 23:00
40.4dB

Night-time· 23:00 – 07:00
35.1dB