18 Ashtree Court is a two-bedroom semi-detached house in St Albans (AL1 5UE). It has a recorded floor area of 67 m² (around 721 sq ft), construction records dating it to 1983-1990 and council tax band D. At 67 m² this is the 21st smallest of 38 units on EPC record in the building, where floor areas span 45–84 m². The building's EPC ratings span E to C, with this unit at the top. The latest certificate (September 2025) shows a C (score 72). The rating has held steady at C across 3 certificates since April 2010. Between certificates, window efficiency dropped from Average to Poor and lighting dropped from Very Good to Average.
Untraded for 24 years, with the last transfer in May 2002. Sale prices here have outpaced St Albans HPI: 15.9% per year against 0% for the wider region. Today's modelled estimate of £365,000 sits 109.8% above the 2002 sale of £174,000. At 67 m² it's 21.8% larger than the typical home in the postcode (55 m² median across 37 EPCs).
No planning applications are recorded against 18 Ashtree Court, Granville Road, St Albans, AL1 5UE. The full report also covers planning activity across the surrounding area.
Full planning data for 18 Ashtree Court, Granville Road, St Albans, AL1 5UE
Every application and decision on this property and nearby, in full, in the report.
Sale price has at least doubled since 1997.
£365,000
Modelled from EPC, postcode comparables and a sale-price growth of 15.9% per year over 5 years.
£174,000
Growth on file: 15.9% per year over 5 years.
Everything we know about this property, compiled into one in-depth, downloadable report.
Detailed analysis
A written breakdown of everything that matters
18 Ashtree Court outperforms the street on habitable rooms by a wide margin.
Price per m²
£2,597
Street avg £4,003
Floor Area
67 m²
Street avg 61 m²
Habitable Rooms
4 rooms
Rail-style transport is unusually close for this postcode.
Crime
5/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
Granville Road — bus stop.
Launch offer
Secure checkout · One-off payment
30-day money-back guarantee

Changes detected from historical EPC data
Low energy lighting percentage decreased
Heating controls upgraded for better temperature management
More low energy lighting installed
14 May 2002Most recent
£174,000
+104.7%over 4 years4 July 1997
£85,000
Median price across the last 5 sales in AL1 5UE: £310,000 (2025–2021).
6 Ashtree Court Granville Road St Albans
Sold Jan 2025
40 Ashtree Court Granville Road St Albans
Sold Dec 2024
17 Ashtree Court Granville Road St Albans
Sold Dec 2024
42 Ashtree Court Granville Road St Albans
Sold Oct 2022
35 Ashtree Court Granville Road St Albans
Sold Dec 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
Ad-free · Secure Stripe checkout · One-off payment
30-day money-back guarantee

Street avg 3 rooms
CO₂ Emissions
2.2 t/year
Street avg 2.0 t/year
AL1 5DX
Closest school
0.3 km
Loreto College. 37 schools nearby.