12 Cromwell Road, Waltham Forest, London, E17 9JN
About 12 Cromwell Road
12 Cromwell Road is a two-bedroom mid-terrace house in Waltham Forest, London, London (E17 9JN). It has a recorded floor area of 84 m² (around 904 sq ft), construction records dating it to 1900-1929 and council tax band C. The latest certificate (April 2025) shows a D (score 56), a step below the typical UK home. When first surveyed in March 2014 the rating was E, the property has climbed 1 band since. Between certificates, window efficiency went from Average to Good; while roof efficiency dropped from Average to Very Poor. The recommended improvements would push it to C (score 80). Other recorded features include a loft. Period features are noted in the property record. Our model identifies extension potential, subject to local planning policy.
It changed hands recently, sold August 2025 for £850,000. 2 planning records sit against the property, 2 approved, 0 refused. Past consents include an extension and new windows, meaningful when judging how the property has evolved. Across 1998–2025, sale prices on this property compounded at 8.8% per year. On a £-per-square-foot basis, the last sale (£940/sq ft) was about 167% above the typical sold price in the postcode.
Know exactly what you're buying at 12 Cromwell Road
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
- LoftYes
Outside
- Private gardenYes
Building
- Period featuresYes
- Extension potentialPossible
Energy performance
EPC Rating
Property Improvements
Changes detected from historical EPC data
Window efficiency improved
Planning history
12 Cromwell Road has an approved extension on the planning record.
- Jul 2022ExtensionOutlineIn report
1. Lawful Development Certificate (Proposed) - Construction of dormer roof extension to main rear roof, and roof extension above two storey outrigger, together with installation of one roof light to front slope.
- Documents
- 13 docs on file
- Reference
- 221614
- Jul 2022ExtensionFullIn report
Construction of a single storey side infill extension. Replacement of windows in the rear wall of the building with timber framed sash windows and removal of the window at rear/ground floor of the outrigger and enlarging the opening for its replacement with a larger window; timber framed folding windows.
New Windows- Documents
- 13 docs on file
- Reference
- 221527
We flagged 2 things worth checking at 12 Cromwell Road
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
12 Cromwell Road has more than quadrupled in price since its earliest registered sale in 1998.
£814,000
Modelled from EPC, postcode comparables and a sale-price growth of 8.8% per year over 27 years.
£850,000
Growth on file: 8.8% per year over 27 years.
Sales timeline
7 August 2025Most recent
£850,000
+16.4%over 5 years10 June 2020
£730,000
+29.2%over 6 years21 May 2014
£565,000
+147.8%over 8 years24 July 2005
£228,000
+162.1%over 6 years3 September 1998
£86,995
Median price across the last 5 sales in E17 9JN: £942,000 (2025–2023).
Nearby sales in E17 9JN
47 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
£942,0007 Cromwell Road, Waltham Forest, London, E17 9JN
Sold Sept 2023
£925,000
Everything we know about 12 Cromwell Road, 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
12 Cromwell Road is notably below the street on years held.
Price per m²
£10,119
Street avg £6,990
Floor Area
84 m²
Street avg 93 m²
Habitable Rooms
4 rooms
Street avg 5 rooms
CO₂ Emissions
4.4 t/year
Street avg 4.2 t/year
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1 Cromwell Road, Waltham Forest
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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