Anderson House, Flat 6, 12 St Martins Lane, Beckenham, BR3 3XS
About Anderson House
Anderson House is a semi-detached house in Beckenham (BR3 3XS). It has a recorded floor area of 117 m² (around 1261 sq ft), construction records dating it to 1996-2002 and council tax band G. At 117 m² this is the smallest unit on EPC record across Anderson House (117–166 m²). The building's EPC ratings span C to B, with this unit at the top. The latest certificate (October 2008) returns a B (score 82), comfortably above the UK average. The latest certificate is from October 2008, so improvements made since then won't be reflected.
Untraded for 24 years, with the last transfer in December 2001. Today's modelled estimate of £661,000 sits 106.6% above the 2001 sale of £320,000. On a £-per-square-foot basis, the last sale (£254/sq ft) was about 25% below the postcode norm. At 117 m² it's 21.4% smaller than the typical home in the postcode (149 m² median across 22 EPCs). Its energy rating outperforms most of the postcode (better than 73% of similar EPCs).
Know exactly what you're buying at Anderson 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
Energy performance
Anderson 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This certificate is over 10 years old and is no longer valid.Expired 23 Oct 2018
EPC Rating
Planning history
Anderson House has no planning applications on record.
Notable planning nearby
8applications of note in the surrounding area
We flagged 3 things worth checking at Anderson 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
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Sales history & valuation
Anderson House valuation sits well clear of the typical sold price in this postcode.
£661,000
Modelled from EPC, postcode comparables.
£320,000
Recorded with HM Land Registry.
Sales timeline
14 December 2001Most recent
£320,000
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 Anderson 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
On price per m², Anderson House runs well behind the street norm.
Price per m²
£2,732
Street avg £4,502
Floor Area
117 m²
Street avg 144 m²
Habitable Rooms
4 rooms
Street avg 4 rooms
CO₂ Emissions
2.1 t/year
Street avg 2.9 t/year
Similar properties nearby
Anderson House, Flat 3, 12 St Martins Lane
BR3 3XS
Anderson House, Flat 8, 12 St Martins Lane
BR3 3XS
Anderson House, Flat 2, 12 St Martins Lane
BR3 3XS
Beau Apartments, Flat 1, Kelsey Lane
BR3 3NF
Anderson House, Flat 5, 12 St Martins Lane
BR3 3XS
Anderson House, Flat 9, 12 St Martins Lane
BR3 3XS
Anderson House, Flat 4, 12 St Martins Lane
BR3 3XS
Anderson House, Flat 7, 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