12 Cottonmill Crescent is a two-bedroom semi-detached house in St Albans (AL1 1HW). It has a recorded floor area of 67 m² (around 721 sq ft), construction records dating it to 1930-1949 and council tax band C. The latest certificate (November 2021) shows an E (score 48), well below the UK norm with real room to improve. The rating has held steady at E across 2 certificates since November 2011. Between certificates, wall efficiency went from Poor to Good; while roof efficiency dropped from Very Good to Average. The recommended improvements would lift it to C (score 79), a 2-band jump. Other recorded features include a conservatory.
It hasn't traded since June 2002, a hold of 24 years that's notably long for the area. Sale prices here have outpaced St Albans HPI: 18.5% per year against 0% for the wider region. Today's modelled estimate of £523,000 sits 190.6% above the 2002 sale of £180,000. On a £-per-square-foot basis, the last sale (£250/sq ft) was about 22.6% below the postcode norm. On energy efficiency it sits in the bottom 10% of properties in this postcode — significant headroom for improvement.
Before you offer, see what the listing won't tell you, the true value, the red flags and the full history.
Already flagged here
Launch offer · save £5
12 Cottonmill Crescent sits at the bottom of the postcode for energy efficiency — meaningful headroom to improve.
12 Cottonmill Crescent has no planning applications on record.
Notable planning nearby
5applications of note in the surrounding area
Independent checks surfaced things a buyer would want to understand before offering. The report explains each one in full, with the underlying data and what to ask.
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Sale price has grown by over 3x since 1995.
£523,000
Modelled from EPC, postcode comparables and a sale-price growth of 18.5% per year over 6 years.
£180,000
Growth on file: 18.5% per year over 6 years.
What it's really worth, what could be wrong, and the planning, sales and area data in full.
What we flagged
On epc rating, 12 Cottonmill Crescent runs well behind the street norm.
Price per m²
£2,687
Street avg £4,640
Floor Area
67 m²
Street avg 70 m²
Habitable Rooms
3 rooms
Rail-style transport is unusually close for this postcode.
Crime
5/mo
Steady year-on-year across the wider district.
Nearest stop
0.2 km
Cottonmill Crescent — bus stop.
Valuation
against the asking price
Risks
planning & flood
Sold prices
similar homes nearby
Trends
the local market
Changes detected from historical EPC data
Heating controls upgraded for better temperature management
Wall insulation improved
10 June 2002Most recent
£180,000
+200.3%over 6 years15 December 1995
£59,950
Median price across the last 5 sales in AL1 1HW: £557,000 (2025–2021).
Street avg 4 rooms
CO₂ Emissions
5.2 t/year
Street avg 2.7 t/year
AL1 1DQ
Closest school
0.1 km
St Peter's School. 29 schools nearby.
Go deeper on the local area
The full report breaks down crime, transport links, schools and air quality in depth.