40a, Flat 3, High Street, Welwyn, AL6 9EQ
About 40a
40a is an end-of-terrace house in Welwyn (AL6 9EQ). It has a recorded floor area of 67 m² (around 721 sq ft) and construction records dating it to 1983-1990. The latest certificate (April 2025) shows a C (score 74). The rating has held steady at C across 2 certificates since October 2014. Between certificates, window efficiency went from Average to Good. At 67 m² this is the 3rd smallest of 5 units on EPC record in 40a, where floor areas span 47–88 m². The building's EPC ratings span D to B across 5 units on file.
Know exactly what you're buying at 40a
Before you offer, see what the listing won't tell you, the true value, the red flags and the full history.
Valuation
against the asking price
Risks
planning & flood
Sold prices
similar homes nearby
Trends
the local market
Energy performance
EPC Rating
Property Improvements
Changes detected from historical EPC data
Heating controls changed
Window efficiency improved
Planning history
40a has no planning applications on record.
The full report still covers planning activity across the surrounding area.
Sales history & valuation
40a has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£306,000
Modelled from EPC, postcode comparables.
No sales recorded with HM Land Registry
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.
Median price across the last 5 sales in AL6 9EQ: £390,000 (2023–2011).
Everything we know about 40a, in one report
What it's really worth, what could be wrong, and the planning, sales and area data in full.
- Am I paying too much?
- Is something wrong with it?
- Is the agent's story true?
- Will it hold its value?
Versus other High Street homes
40a outperforms the street on epc rating by a wide margin.
EPC Rating
74 (C)
Street avg 65 (D)
Floor Area
67 m²
Street avg 70 m²
CO₂ Emissions
2.1 t/year
Street avg 3.4 t/year
Habitable Rooms
3 rooms
Street avg 3 rooms
Similar properties nearby
40a, Flat 2, High Street
AL6 9EQ
Flat 4, 29 Mill Lane
AL6 9EU
Civic Centre, Caretakers Flat, Prospect Place
AL6 9ER
Flat 1, 8 Wendover Lodge, Church Street
AL6 9LR
Flat 14, 8 Wendover Lodge, Church Street
AL6 9LR
Flat 3, 29 Mill Lane
AL6 9EU
Flat 5, 29 Mill Lane
AL6 9EU
Flat 13, 8 Wendover Lodge, Church Street
AL6 9LR
The neighbourhood at a glance
Crime
2/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
St Mary's Church — bus stop.
Closest school
0.4 km
Welwyn St Mary's Church of England Voluntary Aided Primary School. 8 schools nearby.
Go deeper on the local area
The full report breaks down crime, transport links, schools and air quality in depth.