Osbourne House, Flat 6, 10 St Martins Lane, Beckenham, BR3 3XS
About Osbourne House
Osbourne House is a two-bedroom property in Beckenham (BR3 3XS). It has a recorded floor area of 86 m² (around 930 sq ft), construction records dating it to 1996-2002 and council tax band G. At 86 m² this is the smallest unit on EPC record across Osbourne House (86–180 m²). The building's EPC ratings span C to B, with this unit at the bottom. The latest certificate (May 2011) shows a C (score 80), near the top of the C band. The recommended improvements would push it to B (score 81). The latest certificate is from May 2011, so improvements made since then won't be reflected.
At 86 m² it sits well below the postcode median (149 m² across 22 EPCs), making it one of the more compact homes locally. Last changed hands 10 years ago, in July 2016. Across the public record there are 4 sales, relatively high churn for a single property. Across 2001–2016, sale prices on this property compounded at 4.1% per year. On a £-per-square-foot basis, the last sale (£608/sq ft) was about 86.1% above the typical sold price in the postcode.
Know exactly what you're buying at Osbourne House
Before you offer, see what the listing won't tell you, the true value, the red flags and the full history.
Already flagged here
Valuation
against the asking price
Risks
planning & flood
Sold prices
similar homes nearby
Trends
the local market
What this property has
Inside
- Bedrooms2
Energy performance
Osbourne House's EPC is over a decade old — improvements since won't be reflected.
EPC Expired
This certificate is over 10 years old and is no longer valid.Expired 03 May 2021
EPC Rating
Planning history
Osbourne House has no planning applications on record.
Notable planning nearby
8applications of note in the surrounding area
We flagged 3 things worth checking at Osbourne House
Independent checks surfaced things a buyer would want to understand before offering. The report explains each one in full, with the underlying data and what to ask.
- Signs of HMO activity in the area
- Larger development activity nearby
- Environmental risk flagged
30-day money-back guarantee
Sales history & valuation
£573,000
Modelled from EPC, postcode comparables and a sale-price growth of 4.1% per year over 15 years.
£565,000
Growth on file: 4.1% per year over 15 years.
Sales timeline
5 July 2016Most recent
£565,000
+44.9%over 4 years20 October 2011
£390,000
29 May 2008
£390,000
+23.8%over 6 years30 October 2001
£315,000
Median price across the last 5 sales in BR3 3XS: £818,000 (2024–2020).
Nearby sales in BR3 3XS
Anderson House, Flat 1, 12 St Martins Lane, Beckenham, BR3 3XS
Sold May 2024
£950,000Anderson House, Flat 9, 12 St Martins Lane, Beckenham, BR3 3XS
Sold Feb 2023
£725,000Anderson House, Flat 3, 12 St Martins Lane, Beckenham, BR3 3XS
Sold Mar 2022
£590,000Osbourne House, Flat 2, 10 St Martins Lane, Beckenham, BR3 3XS
Sold Nov 2021
£900,00016 St Martins Lane, Beckenham, BR3 3XS
Sold Apr 2019
£727,500
Everything we know about Osbourne House, in one report
What it's really worth, what could be wrong, and the planning, sales and area data in full.
What we flagged
- Signs of HMO activity in the area
- Larger development activity nearby
- Environmental risk flagged

Versus other St Martins Lane homes
Price per m² for Osbourne House runs comfortably ahead of the street norm.
Price per m²
£6,542
Street avg £4,290
Floor Area
86 m²
Street avg 145 m²
Habitable Rooms
3 rooms
Street avg 4 rooms
CO₂ Emissions
1.7 t/year
Street avg 2.9 t/year
Similar properties nearby
Beau Apartments, Flat 4, Kelsey Lane
BR3 3NF
Anderson House, Flat 3, 12 St Martins Lane
BR3 3XS
Anderson House, Flat 9, 12 St Martins Lane
BR3 3XS
Beau Apartments, Flat 2, Kelsey Lane
BR3 3NF
Beney Court, Flat 1, 18 Fairfield Road
BR3 3LD
Anderson House, Flat 8, 12 St Martins Lane
BR3 3XS
Anderson House, Flat 2, 12 St Martins Lane
BR3 3XS
Anderson House, Flat 5, 12 St Martins Lane
BR3 3XS
The neighbourhood at a glance
Rail-style transport is unusually close for this postcode.
Crime
9/mo
Rising year-on-year across the wider district.
Nearest stop
0.3 km
Langley Court / West Gate — bus stop.
Closest school
0.2 km
Unicorn Primary School. 31 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
50.5dB

Night-time· 23:00 – 07:00
41.7dB