1a, Upper Flat, Ilderton Road, Southwark, London, SE16 3JU
About 1a
1a is an end-of-terrace house in Southwark, London, London (SE16 3JU). It has a recorded floor area of 104 m² (around 1119 sq ft) and construction records dating it to 1900-1929. The latest certificate (January 2021) shows an E (score 39), well below the UK norm with real room to improve. The recommended improvements would lift it to C (score 70), a 2-band jump. Main heating runs on electricity.
At 104 m² the property is well over the postcode median (70 m² across 7 EPCs), placing it in the larger end of the local stock. It lags the bulk of the postcode on energy efficiency (less efficient than 86% of similar EPCs). Today's modelled estimate of £485,000 sits 96900% above the 2022 sale of £500. Sold February 2022 for £500. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.
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
Launch offer · save £5
Valuation
against the asking price
Risks
planning & flood
Sold prices
similar homes nearby
Trends
the local market
Energy performance
1a's carbon output runs well above what efficient homes in the postcode produce.
EPC Rating
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
1a's modelled value sits at over four times its earliest registered sale price (2022).
£485,000
Modelled from EPC, postcode comparables.
£500
Recorded with HM Land Registry.
Sales timeline
18 February 2022Most recent
£500
Median price across the last 3 sales in SE16 3JU: £88,000 (2023–1999).
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 Ilderton Road homes
1a is notably below the street on epc rating.
EPC Rating
39 (E)
Street avg 64 (D)
Floor Area
104 m²
Street avg 76 m²
CO₂ Emissions
8.7 t/year
Street avg 3.3 t/year
Habitable Rooms
4 rooms
Street avg 3 rooms
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The neighbourhood at a glance
Rail-style transport is unusually close for this postcode.
Crime
5/mo
Rising year-on-year across the wider district.
Nearest stop
0.1 km
South Bermondsey Station — railway station.
Closest school
0.3 km
Galleywall Primary, City of London Academy. 95 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
54.4dB

Night-time· 23:00 – 07:00
44.5dB