Langmede, Knatts Valley Road, Knatts Valley, Sevenoaks, TN15 6XY
About Langmede
Langmede is a four-bedroom detached house in Knatts Valley, Sevenoaks, Sevenoaks (TN15 6XY). It has a recorded floor area of 168 m² (around 1808 sq ft), construction records dating it to 1950-1966 and council tax band G. The latest certificate (September 2021) shows a D (score 63), on the cusp of jumping into the C band. When first surveyed in August 2010 the rating was E, the property has climbed 1 band since. Between certificates, wall efficiency went from Poor to Average, roof efficiency went from Average to Good and lighting went from Very Poor to Very Good. The recommended improvements would lift it to B (score 89), a 2-band jump. Main heating runs on oil. Other recorded features include a conservatory, outbuildings and attached land beyond the plot.
Across 2000–2021, sale prices on this property compounded at 5.5% per year. Today's modelled estimate of £1,159,000 is 18.9% above the 2021 sale price. On a £-per-square-foot basis, the last sale (£539/sq ft) was about 78.8% above the typical sold price in the postcode. Sold December 2021 for £975,000. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.
Know exactly what you're buying at Langmede
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
- EnsuiteYes
- ConservatoryYes
Outside
- GarageDouble
- OutbuildingsYes
- LandYes
Energy performance
Langmede's carbon output runs well above what efficient homes in the postcode produce.
EPC Rating
Property Improvements
Changes detected from historical EPC data
Hot water system changed
Roof insulation improved
More low energy lighting installed
Heating controls upgraded for better temperature management
Hot water system upgraded
Window efficiency improved
Cavity wall insulation installed
Loft insulation upgraded to recommended levels
Planning history
Langmede has no planning applications on record.
The full report still covers planning activity across the surrounding area.
Sales history & valuation
Sale price has grown by over 3x since 2000.
£1,159,000
Modelled from EPC, postcode comparables and a sale-price growth of 5.5% per year over 21 years.
£975,000
Growth on file: 5.5% per year over 21 years.
Sales timeline
10 December 2021Most recent
£975,000
+72.6%over 7 years19 February 2014
£565,000
+82.3%over 13 years26 June 2000
£310,000
Median price across the last 5 sales in TN15 6XY: £650,000 (2024–2022).
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
£625,000Windy Corner, Knatts Valley Road, Knatts Valley, Sevenoaks, TN15 6XY
Sold Dec 2022
£650,000Woodside, 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
£650,000
Everything we know about Langmede, 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
On epc rating, Langmede stands well clear of the street.
Price per m²
£5,804
Street avg £4,392
Floor Area
168 m²
Street avg 149 m²
Habitable Rooms
7 rooms
Street avg 6 rooms
CO₂ Emissions
6.6 t/year
Street avg 7.7 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