Flat 4, 12 Bayham Road, Sevenoaks, TN13 3XA
About Flat 4
Flat 4 is a one-bedroom semi-detached house in Sevenoaks (TN13 3XA). It has a recorded floor area of 36 m² (around 388 sq ft), construction records dating it to 1900-1929 and council tax band C. The latest certificate (September 2021) shows a D (score 58), a step below the typical UK home. When first surveyed in March 2011 the rating was E, the property has climbed 1 band since. Between certificates, window efficiency went from Very Poor to Average, lighting went from Poor to Very Good and main heating went from Poor to Average. The recommended improvements would push it to C (score 79). Main heating runs on electricity. At 36 m² this is the 3rd smallest of 9 units on EPC record in the building, where floor areas span 33–56 m². The building's EPC ratings span F to C across 9 units on file. Period features are noted in the property record.
At 36 m² it sits well below the postcode median (102 m² across 21 EPCs), making it one of the more compact homes locally. Most recent transfer: July 2022 at £205,000. Across the public record there are 5 sales, relatively high churn for a single property. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend. Across 1998–2022, sale prices on this property compounded at 6.6% per year. On a £-per-square-foot basis, the last sale (£529/sq ft) was about 54.9% above the typical sold price in the postcode.
Know exactly what you're buying at Flat 4
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
- Bedrooms1
- Bathrooms1
Outside
- Communal gardenYes
- ParkingYes
Building
- Period featuresYes
Energy performance
EPC Rating
Property Improvements
Changes detected from historical EPC data
Single glazing replaced with double or better glazing
More low energy lighting installed
Planning history
Flat 4 has no planning applications on record.
The full report still covers planning activity across the surrounding area.
Sales history & valuation
Flat 4 has more than quadrupled in price since its earliest registered sale in 1998.
£218,000
Modelled from EPC, postcode comparables and a sale-price growth of 6.6% per year over 24 years.
£205,000
Growth on file: 6.6% per year over 24 years.
Sales timeline
21 July 2022Most recent
£205,000
+36.7%over 6 years20 August 2015
£150,000
+27.7%over 12 years29 April 2003
£117,500
+17.5%10 December 2002
£100,000
+119.8%over 4 years27 November 1998
£45,500
Median price across the last 5 sales in TN13 3XA: £750,000 (2025–2022).
Nearby sales in TN13 3XA
Everything we know about Flat 4, 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 Bayham Road homes
Price per m² for Flat 4 runs comfortably ahead of the street norm.
Price per m²
£5,694
Street avg £3,260
Floor Area
36 m²
Street avg 65 m²
Habitable Rooms
2 rooms
Street avg 3 rooms
CO₂ Emissions
3.4 t/year
Street avg 5.1 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
2/mo
Steady year-on-year across the wider district.
Nearest stop
0.2 km
Bayham Road — bus stop.
Closest school
0.2 km
St John's Church of England Primary School, Sevenoaks. 10 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
50.0dB

Night-time· 23:00 – 07:00
40.8dB