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Get started12 Ammanford Green is a one-bedroom end-of-terrace house in Barnet, London, London (NW9 7SA). It has a recorded floor area of 47 m² (around 506 sq ft), construction records dating it to 1976-1982 and council tax band C. Tenure is freehold. The latest certificate (May 2021) shows a D (score 67), on the cusp of jumping into the C band. The rating has held steady at D across 2 certificates since February 2011. Between certificates, window efficiency went from Very Poor to Average and hot-water efficiency went from Poor to Good; while wall efficiency dropped from Good to Average and roof efficiency dropped from Good to Poor. The recommended improvements would lift it to B (score 89), a 2-band jump. Other recorded features include a basement.
Sale prices here have outpaced London HPI: 6.6% per year against 0% for the wider region. On a £-per-square-foot basis, the last sale (£652/sq ft) was about 98.7% above the typical sold price in the postcode. It lags the bulk of the postcode on energy efficiency (less efficient than 72% of similar EPCs). Last sale on file: £329,950 in July 2022. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.
Recommended upgrades on file would lift this property by multiple EPC bands.
12 Ammanford Green has more than quadrupled in price since its earliest registered sale in 1998.
£342,000
Modelled from EPC, postcode comparables and a sale-price growth of 6.6% per year over 24 years.
£329,950
Growth on file: 6.6% per year over 24 years.
On price per m², 12 Ammanford Green stands well clear of the street.
Price per m²
£7,020
Street avg £4,510
Floor Area
47 m²
Street avg 56 m²
Habitable Rooms
2 rooms
Rail-style transport is unusually close for this postcode.
Crime
15/mo
Rising year-on-year across the wider district.
Nearest stop
0.3 km
Springfield Gardens — bus stop.

Daytime· 07:00 – 23:00
51.6dB

Changes detected from historical EPC data
Hot water system upgraded
Single glazing replaced with double or better glazing
Are we missing something? Tell us about home improvements to help adjust your valuation.
29 July 2022Most recent
£329,950
+91.9%over 18 years28 July 2004
£171,950
+145.8%over 6 years24 April 1998
£69,950
Median price across the last 5 sales in NW9 7SA: £375,000 (2025–2019).
7 Ammanford Green Ruthin Close Barnet London
Sold Sept 2025
15 Ammanford Green Ruthin Close Barnet London
Sold Oct 2022
30 Ammanford Green Ruthin Close Barnet London
Sold Aug 2021
21 Ammanford Green Ruthin Close Barnet London
Sold Mar 2021
28 Ammanford Green Ruthin Close Barnet London
Sold Oct 2019
Street avg 3 rooms
CO₂ Emissions
2.1 t/year
Street avg 2.1 t/year
NW9 7RN
Closest school
0.3 km
The Hyde School. 48 schools nearby.
Night-time· 23:00 – 07:00
42.7dB
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