1 Millfield Cottage, Mill Lane, Flamstead, St Albans, AL3 8DF
About 1 Millfield Cottage
1 Millfield Cottage is a four-bedroom detached house in Flamstead, St. Albans, St Albans (AL3 8DF). It has a recorded floor area of 212 m² (around 2282 sq ft) and construction records dating it to before 1900. The latest certificate (June 2021) shows an E (score 54), well below the UK norm with real room to improve. The rating has held steady at E across 2 certificates since March 2017. Between certificates, window efficiency went from Very Poor to Average and lighting went from Good to Very Good; while roof efficiency dropped from Poor to Very Poor. The recommended improvements would lift it to C (score 77), a 2-band jump. Main heating runs on oil. Other recorded features include notable views and attached land beyond the plot. Period features are noted in the property record. Records show the property has been extended at some point in its history.
Across 2018–2021, sale prices on this property compounded at 17.4% per year. Most recent transfer: September 2021 at £1,350,000. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.
What this property has
Inside
- Bedrooms4
- Bathrooms3
- Open-plan layoutYes
- EnsuiteYes
Outside
- LandYes
- Notable viewsYes
Building
- Period featuresYes
- Previously extendedYes
- RefurbishedYes
Energy performance
1 Millfield Cottage's carbon output runs well above what efficient homes in the postcode produce.
EPC Rating
Property Improvements
Changes detected from historical EPC data
Heating controls changed
Windows upgraded, improving insulation
More low energy lighting installed
Get a survey for this property
Level 3 Building Survey
Because the property was built before 1919, has been extended more than once, and has no mains gas supply, we believe a Level 3 building survey should be considered.
From £1,645 · Includes VAT
Planning history
1 Millfield Cottage has no planning applications on record.
A planning report still maps activity across the surrounding area and reads this property's extension & conversion potential.
Sales history & valuation
The latest sale landed in the post-pandemic price surge — useful context when reading the figure.
£1,410,000
Modelled from EPC, postcode comparables and a sale-price growth of 17.4% per year over 4 years.
£1,350,000
Growth on file: 17.4% per year over 4 years.
Sales timeline
2 September 2021Most recent
£1,350,000
+77.6%over 3 years31 January 2018
£760,000
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The neighbourhood at a glance
Crime
3/mo
Steady year-on-year across the wider district.
Nearest stop
0.3 km
The Three Blackbirds PH — bus stop.
Closest school
0.5 km
Flamstead Village School. 3 schools nearby.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.







