1a, Flat 5, Blenheim Grove, Southwark, London, SE15 4QS
About 1a
1a is a mid-terrace house in Southwark, London, London (SE15 4QS). It has a recorded floor area of 37 m² (around 398 sq ft) and construction records dating it to 1900-1929. The latest certificate (September 2021) shows a C (score 70). The rating has held steady at C across 3 certificates since November 2008. Between certificates, window efficiency went from Very Poor to Good and lighting went from Poor to Very Good; while main heating dropped from Very Good to Good.
At 37 m² it sits well below the postcode median (54 m² across 35 EPCs), making it one of the more compact homes locally.
Know exactly what you're buying at 1a
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
1a's carbon output is low for the local stock.
EPC Rating
Property Improvements
Changes detected from historical EPC data
Hot water efficiency improved
More low energy lighting installed
Heating controls changed
Hot water efficiency decreased
Single glazing replaced with double or better glazing
More low energy lighting installed
Planning history
1a has no planning applications on record.
Notable planning nearby
5applications of note in the surrounding area
We flagged 1 thing worth checking at 1a
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.
- Larger development activity nearby
30-day money-back guarantee
Sales history & valuation
1a has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£363,000
Modelled from EPC, postcode comparables.
No sales recorded with HM Land Registry
That can mean the property has never traded since the registry began publishing in 1995, was a new build that hasn't been registered yet, or is held in the same hands long-term.
Median price across the last 5 sales in SE15 4QS: £555,000 (2024–2020).
Nearby sales in SE15 4QS
Alys Court, Flat 2, 35 Blenheim Grove, Southwark, London, SE15 4QS
Sold Oct 2024
£387,500Alys Court, Flat 7, 35 Blenheim Grove, Southwark, London, SE15 4QS
Sold Jul 2024
£380,00011a, Blenheim Grove, Southwark, London, SE15 4QS
Sold Apr 2024
£555,0009a, Blenheim Grove, Southwark, London, SE15 4QS
Sold Dec 2020
£876,00013 Blenheim Grove, Southwark, London, SE15 4QS
Sold Apr 2020
£675,000
Everything we know about 1a, in one report
What it's really worth, what could be wrong, and the planning, sales and area data in full.
What we flagged
- Larger development activity nearby

Versus other Blenheim Grove homes
On floor area, 1a runs well behind the street norm.
EPC Rating
70 (C)
Street avg 69 (D)
Floor Area
37 m²
Street avg 48 m²
CO₂ Emissions
1.5 t/year
Street avg 2.2 t/year
Habitable Rooms
2 rooms
Street avg 2 rooms
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The neighbourhood at a glance
Rail-style transport is unusually close for this postcode.
Crime
11/mo
Rising year-on-year across the wider district.
Nearest stop
0.1 km
Chadwick Road — bus stop.
Closest school
0.4 km
The Belham Primary School. 85 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
54.3dB

Night-time· 23:00 – 07:00
44.3dB