Flat 9, 12 Bayham Road, Sevenoaks, TN13 3XA
About Flat 9
Flat 9 is a one-bedroom semi-detached house in Sevenoaks (TN13 3XA). It has a recorded floor area of 44 m² (around 474 sq ft), construction records dating it to before 1900 and council tax band C. The latest certificate (April 2022) shows a D (score 63), on the cusp of jumping into the C band. The rating has held steady at D across 2 certificates since October 2008. Between certificates, roof efficiency went from Poor to Good, hot-water efficiency went from Poor to Average and lighting went from Very Poor to Very Good; while wall efficiency dropped from Average to Very Poor. The recommended improvements would push it to C (score 74). Main heating runs on electricity. At 44 m² this is the 4th 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.
It hasn't traded since February 2004, a hold of 22 years that's notably long for the area. Across 1995–2004, sale prices on this property compounded at 23% per year. Today's modelled estimate of £226,000 sits 100% above the 2004 sale of £113,000. On a £-per-square-foot basis, the last sale (£239/sq ft) was about 32.9% below the postcode norm. At 44 m² it sits well below the postcode median (102 m² across 21 EPCs), making it one of the more compact homes locally.
Know exactly what you're buying at Flat 9
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
- CloakroomYes
Outside
- Shared gardenYes
- ParkingOff street
Building
- Central heatingYes
- Period featuresYes
Energy performance
EPC Rating
Property Improvements
Changes detected from historical EPC data
Hot water efficiency improved
Loft insulation upgraded to recommended levels
More low energy lighting installed
Planning history
Flat 9 has no planning applications on record.
The full report still covers planning activity across the surrounding area.
Sales history & valuation
Price for Flat 9 has grown more than fourfold since the 1995 starting point.
£226,000
Modelled from EPC, postcode comparables and a sale-price growth of 23.0% per year over 9 years.
£113,000
Growth on file: 23.0% per year over 9 years.
Sales timeline
5 February 2004Most recent
£113,000
+510.8%over 8 years14 May 1995
£18,500
Median price across the last 5 sales in TN13 3XA: £750,000 (2025–2022).
Nearby sales in TN13 3XA
Everything we know about Flat 9, 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
On habitable rooms, Flat 9 runs well behind the street norm.
Price per m²
£2,568
Street avg £3,781
Floor Area
44 m²
Street avg 64 m²
Habitable Rooms
2 rooms
Street avg 3 rooms
CO₂ Emissions
4.0 t/year
Street avg 5.0 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