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Get started21 Colwyn Green, Snowdon Drive, Barnet, London, NW9 7RB
EPC B
About 21 Colwyn Green
A plain-English summary derived from public records, EPC certificates, sold prices and local data.
21 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 1991-1995 and council tax band B. The latest certificate (May 2016) returns a B (score 83), comfortably above the UK average. Main heating runs on electricity. The latest certificate is from May 2016, so improvements made since then won't be reflected. 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 top. On EPC score it ranks first in the building (83 versus a worst of 55).
It hasn't traded since January 1999, a hold of 27 years that's notably long for the area. Only one transfer is on record with HM Land Registry, suggesting it has stayed in the same hands for a long time. On energy efficiency it sits in the top 10% of properties in this postcode. Today's modelled estimate of £187,000 sits 325% above the 1999 sale of £44,000. On a £-per-square-foot basis, the last sale (£136/sq ft) was about 34.5% below the postcode norm.
Energy performance
Every EPC certificate filed against this property — current rating, recorded improvements, and where there's headroom to reach a higher band.
21 Colwyn Green ranks among the most efficient homes in the postcode for energy use.
EPC Expired
This certificate is over 10 years old and is no longer valid.Expired 11 May 2026
Sales history & valuation
Recorded transactions, our model's current estimate, and a quick read on what neighbouring properties have sold for.
21 Colwyn Green's modelled value sits at over four times its earliest registered sale price (1999).
Current estimate
See how we calculated this£187,000
Modelled from EPC, postcode comparables.
Last sold (1999)
£44,000
Recorded with HM Land Registry.
Sales timeline
Versus other Colwyn Green homes
Four headline reads against 21 similar flats on this street, drawn from the latest EPC and Land Registry data.
EPC Rating for 21 Colwyn Green runs comfortably ahead of the street norm.
Price per m²
£1,467
Street avg £3,343
Floor Area
30 m²
Street avg 31 m²
Habitable Rooms
1 rooms
Similar properties nearby
A handful of close matches in the same postcode area, ranked by likeness on bedrooms, type and floor area.
The neighbourhood at a glance
A condensed read of the local area. Each tile links through to the full breakdown on the London district page.
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.
Road noise across the postcode
Modelled day and night-time noise levels around NW9 7RB from Defra's strategic mapping. The pin marks this postcode's centroid.
Daytime· 07:00 – 23:00
51.6dB
Everything within walking distance
Schools, transport stops and scenic spots near this property — 80 points of interest in total.
Beautiful places to visit nearby
Curated scenic spots within reach of this postcode, served by Beautifulplaces.ai. Photography and tagging come from their open dataset.
Common questions
The questions buyers, sellers and homeowners most often ask about 21 Colwyn Green, Snowdon Drive, Barnet, London, NW9 7RB. Each answer is also embedded as structured data for search engines.