18a, Cromwell Road, Waltham Forest, London, E17 9JN
About 18a
18a is a two-bedroom mid-terrace house in Waltham Forest, London, London (E17 9JN). It has a recorded floor area of 60 m² (around 646 sq ft), construction records dating it to before 1900 and council tax band C. The latest certificate (March 2020) shows a D (score 66), on the cusp of jumping into the C band. When first surveyed in June 2010 the rating was E, the property has climbed 1 band since. Between certificates, hot-water efficiency went from Average to Good, lighting went from Good to Very Good and main heating went from Average to Good; while roof efficiency dropped from Good to Average. The recommended improvements would lift it to B (score 90), a 2-band jump. Period features are noted in the property record.
At 60 m² it sits well below the postcode median (87 m² across 39 EPCs), making it one of the more compact homes locally. One planning record on file: an extension approved in 2021. Past consents include an extension, meaningful when judging how the property has evolved. Today's modelled estimate of £759,000 is 33.2% above the 2021 sale price. On a £-per-square-foot basis, the last sale (£883/sq ft) was about 150.6% above the typical sold price in the postcode. Most recent transfer: February 2021 at £570,000. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.
Know exactly what you're buying at 18a
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
What this property has
Inside
- Bedrooms2
- Bathrooms1
- Dining roomYes
Outside
- Private gardenYes
Building
- Period featuresYes
- RefurbishedYes
Energy performance
Recommended upgrades on file would lift this property by multiple EPC bands.
EPC Rating
Property Improvements
Changes detected from historical EPC data
Hot water system upgraded
More low energy lighting installed
Planning history
18a has an approved single-storey rear extension on the planning record.
- Mar 2021ExtensionOutlineIn report
Extension: Single storey · Rear of property
Prior approval for the construction of a single storey rear extension which would extend 4.31m beyond the rear wall of the existing dwelling, a maximum height of 2.50m and an eaves height of 2.20m.
- Documents
- 2 docs on file
- Reference
- 210208
We flagged 2 things worth checking at 18a
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
30-day money-back guarantee
Sales history & valuation
The latest sale landed in the post-pandemic price surge — useful context when reading the figure.
£759,000
Modelled from EPC, postcode comparables.
£570,000
Recorded with HM Land Registry.
Sales timeline
15 February 2021Most recent
£570,000
Median price across the last 5 sales in E17 9JN: £942,000 (2025–2023).
Nearby sales in E17 9JN
12 Cromwell Road, Waltham Forest, London, E17 9JN
Sold Aug 2025
£850,00047 Cromwell Road, Waltham Forest, London, E17 9JN
Sold Jan 2025
£965,00036 Cromwell Road, Waltham Forest, London, E17 9JN
Sold Oct 2024
£420,00021 Cromwell Road, Waltham Forest, London, E17 9JN
Sold Aug 2024
£990,0003 Cromwell Road, Waltham Forest, London, E17 9JN
Sold Dec 2023
£942,000
Everything we know about 18a, 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 Cromwell Road homes
18a outperforms the street on co₂ emissions by a wide margin.
Price per m²
£9,500
Street avg £7,013
Floor Area
60 m²
Street avg 94 m²
Habitable Rooms
4 rooms
Street avg 5 rooms
CO₂ Emissions
2.5 t/year
Street avg 4.3 t/year
Similar properties nearby
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The neighbourhood at a glance
Reported crime in the wider district is trending notably upward year-on-year.
Crime
12/mo
Rising year-on-year across the wider district.
Nearest stop
0.2 km
Essex Road — bus stop.
Closest school
0.3 km
Henry Maynard Primary School. 62 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
53.9dB

Night-time· 23:00 – 07:00
42.8dB