20 Cottonmill Crescent is a semi-detached house in St Albans (AL1 1HW). It has a recorded floor area of 68 m² (around 732 sq ft), construction records dating it to 1930-1949 and council tax band C. The latest certificate (October 2025) shows a C (score 73). When first surveyed in September 2020 the rating was D, the property has climbed 1 band since. Between certificates, wall efficiency went from Very Poor to Good and roof efficiency went from Good to Very Good; while window efficiency dropped from Good to Average and lighting dropped from Very Good to Good.
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
20 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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20 Cottonmill Crescent has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£519,000
Modelled from EPC, postcode comparables.
That can mean the property has never traded since the registry began publishing in 1995, was a new build that hasn't been registered yet, or is held in the same hands long-term.
What it's really worth, what could be wrong, and the planning, sales and area data in full.
What we flagged
20 Cottonmill Crescent outperforms the street on epc rating by a wide margin.
EPC Rating
73 (C)
Street avg 68 (D)
Floor Area
68 m²
Street avg 70 m²
CO₂ Emissions
2.4 t/year
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
Wall insulation improved
Roof insulation improved
Mechanical ventilation installed
Median price across the last 5 sales in AL1 1HW: £557,000 (2025–2021).
Street avg 2.8 t/year
Habitable Rooms
4 rooms
Street avg 4 rooms
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.