1a, Flat 1, Halsmere Road, Lambeth, London, SE5 9LN
About 1a
1a is a mid-terrace house in Lambeth, London, London (SE5 9LN). It has a recorded floor area of 50 m² (around 538 sq ft) and construction records dating it to 1900-1929. The latest certificate (November 2020) shows a D (score 67), on the cusp of jumping into the C band. Earlier certificates rated it C (October 2009); the latest reading is one band lower. Between certificates, wall efficiency went from Very Poor to Poor, window efficiency went from Poor to Average and lighting went from Very Poor to Very Good; while hot-water efficiency dropped from Very Good to Good and main heating dropped from Very Good to Good. The recommended improvements would push it to C (score 77).
It hasn't traded since February 2011, a hold of 15 years that's notably long for the area. At 50 m² it sits well below the postcode median (128 m² across 20 EPCs), making it one of the more compact homes locally. Today's modelled estimate of £554,000 is 36.5% above the 2011 sale price. On a £-per-square-foot basis, the last sale (£754/sq ft) was about 103.2% above the typical sold price in the postcode.
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
EPC Rating
Property Improvements
Changes detected from historical EPC data
Hot water efficiency decreased
Windows upgraded, improving insulation
Wall insulation improved
More low energy lighting installed
Planning history
1a has no planning applications on record.
Notable planning nearby
3applications 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
£554,000
Modelled from EPC, postcode comparables.
£406,000
Recorded with HM Land Registry.
Sales timeline
1 February 2011Most recent
£406,000
Median price across the last 5 sales in SE5 9LN: £900,000 (2025–2020).
Nearby sales in SE5 9LN
13 Halsmere Road, Lambeth, London, SE5 9LN
Sold Jun 2025
£900,00011a, Halsmere Road, Lambeth, London, SE5 9LN
Sold Mar 2022
£800,000Flat 1, 11 Halsmere Road, Lambeth, London, SE5 9LN
Sold Jan 2022
£535,00020 Halsmere Road, Lambeth, London, SE5 9LN
Sold Sept 2020
£1,070,0002 Halsmere Road, Lambeth, London, SE5 9LN
Sold Jan 2020
£1,163,000
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 Halsmere Road homes
1a outperforms the street on co₂ emissions by a wide margin.
Price per m²
£8,120
Street avg £10,263
Floor Area
50 m²
Street avg 43 m²
Habitable Rooms
3 rooms
Street avg 2 rooms
CO₂ Emissions
2.1 t/year
Street avg 2.4 t/year
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The neighbourhood at a glance
Reported crime in the wider district is trending notably upward year-on-year.
Crime
13/mo
Rising year-on-year across the wider district.
Nearest stop
0.2 km
Patmos Road — bus stop.
Closest school
0.1 km
Saint Gabriel's College. 103 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
54.7dB
Night-time· 23:00 – 07:00
44.1dB