20 Ashdales is a three-bedroom end-of-terrace house in St Albans (AL1 2RA). It has a recorded floor area of 64 m² (around 689 sq ft), construction records dating it to 1983-1990 and council tax band D. The latest certificate (March 2016) shows a D (score 60), on the cusp of jumping into the C band. The rating has held steady at D across 2 certificates since May 2011. Between certificates, roof efficiency went from Average to Good, window efficiency went from Average to Good and lighting went from Very Poor to Good. The recommended improvements would lift it to B (score 86), a 2-band jump. The latest certificate is from March 2016, so improvements made since then won't be reflected. The home occupies a cul-de-sac position.
Sale prices here have outpaced St Albans HPI: 7% per year against 0% for the wider region. Today's modelled estimate of £511,000 is 17.5% above the 2020 sale price. On a £-per-square-foot basis, the last sale (£631/sq ft) was about 96.1% above the typical sold price in the postcode. At 64 m² it's 25.5% larger than the typical home in the postcode (51 m² median across 17 EPCs). It lags the bulk of the postcode on energy efficiency (less efficient than 76% of similar EPCs). Last sale on file: £435,000 in January 2020.
Recommended upgrades on file would lift this property by multiple EPC bands.
This certificate is over 10 years old and is no longer valid.Expired 08 Mar 2026
No planning applications are recorded against 20 Ashdales, St Albans, AL1 2RA. The full report also covers planning activity across the surrounding area.
Full planning data for 20 Ashdales, St Albans, AL1 2RA
Every application and decision on this property and nearby, in full, in the report.
20 Ashdales saw 3 transfers in just over a decade — high turnover for the postcode.
£511,000
Modelled from EPC, postcode comparables and a sale-price growth of 7.0% per year over 8 years.
£435,000
Growth on file: 7.0% per year over 8 years.
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On co₂ emissions, 20 Ashdales runs well behind the street norm.
Price per m²
£6,797
Street avg £5,357
Floor Area
64 m²
Street avg 53 m²
Habitable Rooms
4 rooms
Street avg 3 rooms
Crime
5/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
Creighton Avenue — bus stop.
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Changes detected from historical EPC data
Window efficiency improved
Roof insulation improved
More low energy lighting installed
17 January 2020Most recent
£435,000
+4.8%over 3 years4 October 2016
£415,000
+66.0%over 4 years18 November 2011
£250,000
Median price across the last 5 sales in AL1 2RA: £341,520 (2025–2021).
Detailed EPC data
Full energy ratings, history and recommendations
Full planning history
Every application and decision on record
Comparable sales data
Plus transport, crime, schools and air quality
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CO₂ Emissions
3.6 t/year
Street avg 2.1 t/year
AL1 2NP
Closest school
0.3 km
Mandeville Primary School. 24 schools nearby.