307a, Old Street, Hackney, London, EC1V 9LA
About 307a
307a is a mid-terrace house in Hackney, London, London (EC1V 9LA). It has a recorded floor area of 117 m² (around 1259 sq ft) and construction records dating it to 1900-1929. The latest certificate (September 2022) shows a D (score 66), on the cusp of jumping into the C band. Earlier certificates rated it C (February 2009); the latest reading is one band lower. Between certificates, lighting went from Very Poor to Very Good; while wall efficiency dropped from Good to Very Poor and roof efficiency dropped from Good to Very Poor. The recommended improvements would push it to C (score 79).
Across 2002–2018, sale prices on this property compounded at 11.8% per year. Today's modelled estimate of £799,000 is 49.6% below the 2018 sale of £1,585,000, an unusual pattern given regional price growth and worth checking against the EPC condition. At 117 m² the property is well over the postcode median (46 m² across 15 EPCs), placing it in the larger end of the local stock. Last sale on file: £1,585,000 in June 2018.
Know exactly what you're buying at 307a
Before you offer, see what the listing won't tell you, the true value, the red flags and the full history.
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
Heating controls upgraded for better temperature management
Hot water efficiency decreased
Heating controls changed
External or internal wall insulation added
Roof insulation improved
More low energy lighting installed
Heating controls upgraded for better temperature management
Planning history
307a has no planning applications on record.
The full report still covers planning activity across the surrounding area.
Sales history & valuation
Latest sale on 307a was the lowest on Land Registry record across the postcode.
£799,000
Modelled from EPC, postcode comparables and a sale-price growth of 11.8% per year over 16 years.
£1,585,000
Growth on file: 11.8% per year over 16 years.
Sales timeline
11 June 2018Most recent
£1,585,000
+487.0%over 15 years11 July 2002
£270,000
Median price across the last 5 sales in EC1V 9LA: £10,062,500 (2024–2017).
Everything we know about 307a, in one report
What it's really worth, what could be wrong, and the planning, sales and area data in full.
- Am I paying too much?
- Is something wrong with it?
- Is the agent's story true?
- Will it hold its value?

Versus other Old Street homes
Floor Area for 307a runs comfortably ahead of the street norm.
EPC Rating
66 (D)
Street avg 72 (C)
Floor Area
117 m²
Street avg 53 m²
CO₂ Emissions
5.0 t/year
Street avg 1.8 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
10/mo
Rising year-on-year across the wider district.
Nearest stop
0.1 km
Great Eastern Street — bus stop.
Closest school
0.2 km
St Monica's Catholic Primary School. 109 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
60.7dB

Night-time· 23:00 – 07:00
51.7dB