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Get started55 Marnham Avenue is an end-of-terrace house in Barnet, London, London (NW2 2SS). It has a recorded floor area of 51 m² (around 549 sq ft), construction records dating it to 1930-1949 and council tax band B. At 51 m² this is the 5th smallest of 17 units on EPC record in the building, where floor areas span 42–55 m². The building's EPC ratings span D to C, with this unit at the top. The latest certificate (April 2025) shows a C (score 73). When first surveyed in August 2009 the rating was D, the property has climbed 1 band since. Between certificates, roof efficiency went from Very Poor to Very Good.
Untraded for 18 years, with the last transfer in May 2008. That sale landed at the peak of the pre-credit-crunch market, which is a useful reference point when interpreting the price. Sale prices here have outpaced London HPI: 5.2% per year against 0% for the wider region. Today's modelled estimate of £329,000 sits 82.8% above the 2008 sale of £180,000. On a £-per-square-foot basis, the last sale (£328/sq ft) was about 40.1% above the typical sold price in the postcode.
The latest sale landed at the peak of the pre-credit-crunch market — a high-water reference point.
£329,000
Modelled from EPC, postcode comparables and a sale-price growth of 5.2% per year over 3 years.
£180,000
Growth on file: 5.2% per year over 3 years.
55 Marnham Avenue outperforms the street on epc rating by a wide margin.
Price per m²
£3,529
Street avg £3,880
Floor Area
51 m²
Street avg 52 m²
Habitable Rooms
3 rooms
Street avg 3 rooms
Rail-style transport is unusually close for this postcode.
Crime
14/mo
Rising year-on-year across the wider district.
Nearest stop
0.1 km
Cricklewood Lane Cricklewood — bus stop.

Daytime· 07:00 – 23:00
53.1dB

Changes detected from historical EPC data
Heating controls upgraded for better temperature management
Roof insulation improved
Low energy lighting percentage decreased
Hot water efficiency decreased
More low energy lighting installed
Hot water efficiency improved
Roof insulation improved
Low energy lighting percentage decreased
Loft insulation upgraded to recommended levels
More low energy lighting installed
Are we missing something? Tell us about home improvements to help adjust your valuation.
20 May 2008Most recent
£180,000
+18.4%over 3 years21 January 2005
£152,000
Median price across the last 5 sales in NW2 2SS: £215,000 (2017–2001).
CO₂ Emissions
1.7 t/year
Street avg 2.0 t/year
Closest school
0.3 km
St Agnes' Catholic Primary School. 59 schools nearby.
Night-time· 23:00 – 07:00
43.7dB
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