20a, St James S Street, Waltham Forest, London, E17 7PF
About 20a
20a is a mid-terrace house in Waltham Forest, London, London (E17 7PF). It has a recorded floor area of 60 m² (around 646 sq ft) and construction records dating it to before 1900. The latest certificate (April 2023) shows a C (score 73). When first surveyed in December 2012 the rating was D, the property has climbed 1 band since. Between certificates, window efficiency went from Poor to Average. At 60 m² this is the 10th smallest of 19 units on EPC record in the building, where floor areas span 31–149 m². The building's EPC ratings span D to B across 19 units on file.
At 60 m² the property is well over the postcode median (45 m² across 45 EPCs), placing it in the larger end of the local stock. 3 planning records sit against the property, 1 approved, 1 refused.
Know exactly what you're buying at 20a
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
Heating controls upgraded for better temperature management
Windows upgraded, improving insulation
Planning history
- Oct 2005ExtensionFullIn report
Extension: Single storey · Rear of property
Erection of timber framed building at rear to provide 2 classrooms and2 toilets for an additional 17 pupils as an extension to the existing school, for a temporary period of 3 years as shown on drawing no. 786/SA/PP - 100 received on 29 June 2005 and as amended by drawing no.101 Rev A received on 12 August 2005. Erection of timber framed building at rear to provide 2 classrooms and 2 toilets for an additional 17 pupils as an extension to the existing school, for a temporary period of 3 years
- Documents
- 1 doc on file
- Reference
- 051102
- May 2004FullIn report
Retention of use of the ground floor in education use as shown on drawing received 20 December 2003, and further details submitted by letter received 22 March 2004.
- Council
- **
Retrospective- Documents
- 1 doc on file
- Reference
- 030880
We flagged 2 things worth checking at 20a
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
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Sales history & valuation
20a has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£476,000
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 E17 7PF: £295,000 (2025–2017).
Nearby sales in E17 7PF
Flat A, 10 St James S Street, London, E17 7PF
Sold Aug 2025
£295,0006 St James S Street, Waltham Forest, London, E17 7PF
Sold Sept 2024
£211,00030 St James S Street, Waltham Forest, London, E17 7PF
Sold Sept 2024
£930,00036 St James S Street, Waltham Forest, London, E17 7PF
Sold Aug 2018
£35,00012 14, St James S Street, Waltham Forest, London, E17 7PF
Sold Apr 2017
£450,000
Everything we know about 20a, 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

Versus other St James S Street homes
EPC Rating
73 (C)
Street avg 72 (C)
Floor Area
60 m²
Street avg 55 m²
CO₂ Emissions
1.9 t/year
Street avg 2.0 t/year
Habitable Rooms
3 rooms
Street avg 3 rooms
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The neighbourhood at a glance
Rail-style transport is unusually close for this postcode.
Crime
12/mo
Rising year-on-year across the wider district.
Nearest stop
0.0 km
St James Street Station — bus stop.
Closest school
0.3 km
Mission Grove Primary School. 71 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
52.8dB

Night-time· 23:00 – 07:00
41.5dB