Windy Corner, Knatts Valley Road, Knatts Valley, Sevenoaks, TN15 6XY
About Windy Corner
Windy Corner is a detached house in Knatts Valley, Sevenoaks, Sevenoaks (TN15 6XY). It has a recorded floor area of 154 m² (around 1658 sq ft), construction records dating it to 1930-1949 and council tax band G. The latest certificate (August 2023) shows an F (score 32), near the bottom of the EPC scale. The rating has held steady at F across 2 certificates since September 2018. Between certificates, roof efficiency went from Average to Good, window efficiency went from Very Poor to Very Good and hot-water efficiency went from Very Poor to Average; while main heating dropped from Poor to Very Poor. The recommended improvements would push it to E (score 45). Main heating runs on electricity.
One planning record on file: a loft conversion approved in 2023. Past consents include a loft conversion, meaningful when judging how the property has evolved. It lags the bulk of the postcode on energy efficiency (less efficient than 78% of similar EPCs). Today's modelled estimate of £779,000 is 19.8% above the 2022 sale price. On a £-per-square-foot basis, the last sale (£392/sq ft) was about 30% above the typical sold price in the postcode. Most recent transfer: December 2022 at £650,000. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.
Know exactly what you're buying at Windy Corner
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
Windy Corner's carbon output runs well above what efficient homes in the postcode produce.
EPC Rating
Property Improvements
Changes detected from historical EPC data
Heating system changed
Changed to a more efficient fuel source
Heating controls upgraded for better temperature management
Hot water efficiency improved
Single glazing replaced with double or better glazing
Roof insulation improved
More low energy lighting installed
Planning history
- Jun 2023Loft ConversionFullIn report
Loft conversion with dormers. Replacement balustrade. Alterations to fenestration. Removal of chimney. Rooflights.
- Documents
- 6 docs on file
- Reference
- 23/00632/HOUSE
What's in Windy Corner, Knatts Valley Road, Knatts Valley, Sevenoaks, TN15 6XY's planning history?
Refusals, disputes and full decisions on this property and nearby, in the report.
Sales history & valuation
The latest sale landed in the post-pandemic price surge — useful context when reading the figure.
£779,000
Modelled from EPC, postcode comparables.
£650,000
Recorded with HM Land Registry.
Sales timeline
20 December 2022Most recent
£650,000
Median price across the last 5 sales in TN15 6XY: £975,000 (2024–2021).
Nearby sales in TN15 6XY
Glenville, Knatts Valley Road, Knatts Valley, Sevenoaks, TN15 6XY
Sold Apr 2024
£1,025,000Valleyside, Knatts Valley Road, Knatts Valley, Sevenoaks, TN15 6XY
Sold Mar 2024
£625,000Woodside, Knatts Valley Road, Knatts Valley, Sevenoaks, TN15 6XY
Sold Apr 2022
£1,000,000Oakridge, Knatts Valley Road, Knatts Valley, Sevenoaks, TN15 6XY
Sold Apr 2022
£650,000Langmede, Knatts Valley Road, Knatts Valley, Sevenoaks, TN15 6XY
Sold Dec 2021
£975,000
Everything we know about Windy Corner, 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 Knatts Valley Road homes
Habitable Rooms for Windy Corner lags the street by a wide margin.
Price per m²
£4,221
Street avg £4,480
Floor Area
154 m²
Street avg 150 m²
Habitable Rooms
4 rooms
Street avg 6 rooms
CO₂ Emissions
9.0 t/year
Street avg 7.6 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
1.0 km
The Gamecock — bus stop.
Closest school
1.2 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
42.9dB

Night-time· 23:00 – 07:00
36.2dB