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Get started16 Colwyn Green is a mid-terrace house in Barnet, London, London (NW9 7RB). It has a recorded floor area of 30 m² (around 323 sq ft), construction records dating it to 1983-1990 and council tax band B. At 30 m² this is the 8th smallest of 27 units on EPC record in the building, where floor areas span 25–89 m². The building's EPC ratings span D to B, with this unit at the bottom. The latest certificate (May 2019) shows a D (score 67), on the cusp of jumping into the C band. Earlier certificates rated it C (March 2009); the latest reading is one band lower. Between certificates, lighting went from Average to Good; while window efficiency dropped from Good to Average and hot-water efficiency dropped from Average to Poor. The recommended improvements would push it to C (score 79). Main heating runs on electricity.
Held since October 1998 — that's 28 years off the open market, well above the local norm. Sale prices here have outpaced London HPI: 8.7% per year against 0% for the wider region. Today's modelled estimate of £192,000 sits 346.5% above the 1998 sale of £43,000. On a £-per-square-foot basis, the last sale (£133/sq ft) was about 39.4% below the postcode norm. It lags the bulk of the postcode on energy efficiency (less efficient than 81% of similar EPCs).
16 Colwyn Green's modelled value sits at over four times its earliest registered sale price (1995).
£192,000
Modelled from EPC, postcode comparables and a sale-price growth of 8.7% per year over 3 years.
£43,000
Growth on file: 8.7% per year over 3 years.
16 Colwyn Green is notably below the street on price per m².
Price per m²
£1,433
Street avg £3,345
Floor Area
30 m²
Street avg 31 m²
Habitable Rooms
1 rooms
Street avg 1 rooms
Rail-style transport is unusually close for this postcode.
Crime
15/mo
Rising year-on-year across the wider district.
Nearest stop
0.2 km
Springfield Gardens — bus stop.

Daytime· 07:00 – 23:00
51.6dB

Changes detected from historical EPC data
Heating system changed
Heating controls upgraded for better temperature management
Hot water efficiency decreased
More low energy lighting installed
Are we missing something? Tell us about home improvements to help adjust your valuation.
1 October 1998Most recent
£43,000
+27.4%over 2 years31 October 1995
£33,750
Median price across the last 5 sales in NW9 7RB: £161,500 (2021–2010).
20 Colwyn Green Snowdon Drive Barnet London
Sold Jul 2021
11 Colwyn Green Snowdon Drive Barnet London
Sold May 2014
10 Colwyn Green Snowdon Drive Barnet London
Sold Apr 2012
12 Colwyn Green Snowdon Drive Barnet London
Sold Sept 2010
1 Colwyn Green Snowdon Drive Barnet London
Sold Sept 2009
CO₂ Emissions
1.9 t/year
Street avg 2.0 t/year
NW9 7RW
Closest school
0.4 km
Oliver Goldsmith Primary School. 50 schools nearby.
Night-time· 23:00 – 07:00
42.2dB
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