17 Cromwell Close, Barnet, London, N2 0LL
About 17 Cromwell Close
17 Cromwell Close is a three-bedroom semi-detached house in Barnet, London, London (N2 0LL). It has a recorded floor area of 79 m² (around 850 sq ft), construction records dating it to 1950-1966 and council tax band D. At 79 m² this is the largest unit on EPC record across the building (47–79 m²). The building's EPC ratings span E to C, with this unit at the top. On EPC score it ranks first in the building (78 versus a worst of 53). The latest certificate (November 2022) shows a C (score 78), near the top of the C band. When first surveyed in June 2012 the rating was E, the property has climbed 2 bands since. Between certificates, wall efficiency went from Very Poor to Good, roof efficiency went from Poor to Very Good and window efficiency went from Average to Good.
Today's modelled estimate of £505,000 sits 64% above the 2012 sale of £308,000. 3 planning records sit against the property, 1 approved, 2 refused. Past consents include a loft conversion, meaningful when judging how the property has evolved. At 79 m² it's 27.4% larger than the typical home in the postcode (62 m² median across 29 EPCs). 14 years since the last transfer (July 2012).
Know exactly what you're buying at 17 Cromwell Close
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
- Bedrooms3
- Bathrooms1
Building
- Heating systemGas
Energy performance
EPC Rating
Property Improvements
Changes detected from historical EPC data
Upgraded to gas central heating
Connected to mains gas supply
Heating controls upgraded for better temperature management
Hot water system upgraded
Wall insulation improved
Roof insulation improved
Window efficiency improved
More low energy lighting installed
Planning history
A a loft conversion application was refused at 17 Cromwell Close in 2024.
- Oct 2025Loft ConversionFullIn report
Roof extension involving rear dormer window and front and side facing conservation rooflights
- Documents
- 22 docs on file
- Reference
- 25/3371/FUL
- Dec 2024Loft ConversionFullIn report
Roof extension involving side and rear dormer windows and 2no. front facing rooflights
- Agent
- Lighthouse Architecture
- Documents
- 19 docs on file
- Reference
- 24/4010/FUL
We flagged 2 things worth checking at 17 Cromwell Close
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
17 Cromwell Close valuation sits well clear of the typical sold price in this postcode.
£505,000
Modelled from EPC, postcode comparables.
£308,000
Recorded with HM Land Registry.
Sales timeline
29 July 2012Most recent
£308,000
Median price across the last 5 sales in N2 0LL: £515,000 (2025–2021).
Nearby sales in N2 0LL
28 Cromwell Close, Barnet, London, N2 0LL
Sold Mar 2025
£535,00022 Cromwell Close, Barnet, London, N2 0LL
Sold Aug 2024
£530,0001 Cromwell Close, Barnet, London, N2 0LL
Sold Jul 2024
£495,00014 Cromwell Close, Barnet, London, N2 0LL
Sold Sept 2021
£515,0005 Cromwell Close, Barnet, London, N2 0LL
Sold May 2021
£500,000
Everything we know about 17 Cromwell Close, 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 Close homes
EPC Rating for 17 Cromwell Close runs comfortably ahead of the street norm.
Price per m²
£3,899
Street avg £6,229
Floor Area
79 m²
Street avg 62 m²
Habitable Rooms
4 rooms
Street avg 3 rooms
CO₂ Emissions
1.8 t/year
Street avg 2.7 t/year
Similar properties nearby
1 Denison Close, Barnet
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1 Cromwell Close, Barnet
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1 Cedar Drive, Barnet
N2 0PS
1 Deansway, Barnet
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1 Devon Rise, Barnet
N2 0AA
1 Cricket Row, Church Lane, Barnet
N2 0TD
1 Cecilia Close, Barnet
N2 0UT
1 Dunstan Close, Barnet
N2 0UX
The neighbourhood at a glance
Rail-style transport is unusually close for this postcode.
Crime
5/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
Stanley Road (N2) — bus stop.
Closest school
0.3 km
The Archer Academy. 46 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
53.5dB

Night-time· 23:00 – 07:00
43.1dB