15 Ashen Grove Road, Knatts Valley, Sevenoaks, TN15 6YE
About 15 Ashen Grove Road
15 Ashen Grove Road is a three-bedroom detached house in Knatts Valley, Sevenoaks, Sevenoaks (TN15 6YE). It has a recorded floor area of 193 m² (around 2077 sq ft) and construction records dating it to 1976-1982. The latest certificate (March 2022) shows a C (score 69), just inside the C band. When first surveyed in September 2008 the rating was F, the property has climbed 3 bands since. Between certificates, wall efficiency went from Average to Good, roof efficiency went from Average to Very Good and window efficiency went from Average to Good; while hot-water efficiency dropped from Poor to Very Poor. The recommended improvements would push it to B (score 89). Main heating runs on electricity. Other recorded features include notable views and attached land beyond the plot.
Today's modelled estimate of £830,000 sits 93% above the 2012 sale of £430,000. On a £-per-square-foot basis, the last sale (£207/sq ft) was about 19.2% below the postcode norm. 13 planning records sit against the property, 7 approved, 6 refused. Past consents include an extension and partial demolition, meaningful when judging how the property has evolved. Its energy rating outperforms most of the postcode (better than 83% of similar EPCs). Last changed hands 14 years ago, in June 2012.
Know exactly what you're buying at 15 Ashen Grove 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
Outside
- LandYes
- Notable viewsYes
Energy performance
EPC Rating
Property Improvements
Changes detected from historical EPC data
Hot water system changed
Heat pump installed, significantly improving energy efficiency
Changed to a more efficient fuel source
Heating controls upgraded for better temperature management
Hot water system upgraded
Windows upgraded, improving insulation
Wall insulation upgraded
Loft insulation upgraded to recommended levels
Floor insulation added or improved
More low energy lighting installed
Planning history
Planning history includes recorded demolition works, indicating a major rebuild phase at this address.
- Sept 2018AmendmentIn report
Amendment to 17/00384/HOUSE.
- Documents
- 5 docs on file
- Reference
- 18/02576/MMA
- Nov 2017ConditionsIn report
Details pursuant to condition 4 (Site Levels) to SE/17/00384/HOUSE.
- Documents
- 22 docs on file
- Reference
- 17/03174/DETAIL
What's in 15 Ashen Grove Road, Knatts Valley, Sevenoaks, TN15 6YE's planning history?
11 more on this property, plus refusals, disputes and full decisions nearby, in the report.
Sales history & valuation
15 Ashen Grove Road valuation sits well clear of the typical sold price in this postcode.
£830,000
Modelled from EPC, postcode comparables.
£430,000
Recorded with HM Land Registry.
Sales timeline
17 June 2012Most recent
£430,000
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 15 Ashen Grove 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 Ashen Grove Road homes
15 Ashen Grove Road outperforms the street on epc rating by a wide margin.
Price per m²
£2,228
Street avg £3,237
Floor Area
193 m²
Street avg 216 m²
Habitable Rooms
5 rooms
Street avg 7 rooms
CO₂ Emissions
5.0 t/year
Street avg 8.1 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