25a, New Road, Welwyn, AL6 0AQ
About 25a
25a is a detached house in Welwyn (AL6 0AQ). It has a recorded floor area of 301 m² (around 3240 sq ft) and construction records dating it to 2020. The latest certificate (April 2023) returns a B (score 83), comfortably above the UK average.
On energy efficiency it sits in the top 10% of properties in this postcode.
Know exactly what you're buying at 25a
Before you offer, see what the listing won't tell you, the true value, the red flags and the full history.
Already flagged here
Valuation
against the asking price
Risks
planning & flood
Sold prices
similar homes nearby
Trends
the local market
Energy performance
25a ranks among the most efficient homes in the postcode for energy use.
EPC Rating
Planning history
25a has no planning applications on record.
Notable planning nearby
1applications of note in the surrounding area
We flagged 1 thing worth checking at 25a
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.
- Larger development activity nearby
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Sales history & valuation
25a has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£1,773,000
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 0AQ: £1,362,500 (2024–2019).
Everything we know about 25a, in one report
What it's really worth, what could be wrong, and the planning, sales and area data in full.
What we flagged
- Larger development activity nearby

Versus other New Road homes
On epc rating, 25a stands well clear of the street.
EPC Rating
83 (B)
Street avg 67 (D)
Floor Area
301 m²
Street avg 307 m²
CO₂ Emissions
4.0 t/year
Street avg 9.6 t/year
Similar properties nearby
The neighbourhood at a glance
Rail-style transport is unusually close for this postcode.
Crime
2/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
Mornington — bus stop.
Closest school
0.8 km
St John's CofE Primary School. 14 schools nearby.
Go deeper on the local area
The full report breaks down crime, transport links, schools and air quality in depth.