16 Adele Avenue, Welwyn, AL6 0AU
About 16 Adele Avenue
16 Adele Avenue is a two-bedroom semi-detached house in Welwyn (AL6 0AU). It has a recorded floor area of 63 m² (around 678 sq ft) and construction records dating it to 1967-1975. The latest certificate (April 2020) shows a C (score 75), near the top of the C band. The rating has held steady at C across 2 certificates since April 2009. Between certificates, roof efficiency went from Average to Good and lighting went from Poor to Very Good.
Untraded for 25 years, with the last transfer in May 2001. Across 1995–2001, sale prices on this property compounded at 11.2% per year. Today's modelled estimate of £286,000 sits 201.1% above the 2001 sale of £95,000. On a £-per-square-foot basis, the last sale (£140/sq ft) was about 49% below the postcode norm. 2 bedrooms is on the smaller side for this postcode, where 4 is the typical count.
Know exactly what you're buying at 16 Adele Avenue
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
What this property has
Inside
- Bedrooms2
- Bathrooms1
Energy performance
EPC Rating
Property Improvements
Changes detected from historical EPC data
Heating controls upgraded for better temperature management
Loft insulation upgraded to recommended levels
More low energy lighting installed
Planning history
16 Adele Avenue has no planning applications on record.
Notable planning nearby
1applications of note in the surrounding area
We flagged 1 thing worth checking at 16 Adele Avenue
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
30-day money-back guarantee
Sales history & valuation
16 Adele Avenue's modelled value sits at over four times its earliest registered sale price (1995).
£286,000
Modelled from EPC, postcode comparables and a sale-price growth of 11.2% per year over 6 years.
£95,000
Growth on file: 11.2% per year over 6 years.
Sales timeline
23 May 2001Most recent
£95,000
+76.9%over 4 years5 June 1996
£53,700
+2.3%over 7 months26 October 1995
£52,500
Median price across the last 5 sales in AL6 0AU: £337,500 (2024–2016).
Everything we know about 16 Adele Avenue, 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 Adele Avenue homes
16 Adele Avenue outperforms the street on epc rating by a wide margin.
Price per m²
£1,508
Street avg £3,132
Floor Area
63 m²
Street avg 69 m²
Habitable Rooms
3 rooms
Street avg 3 rooms
CO₂ Emissions
1.9 t/year
Street avg 2.3 t/year
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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
0.0 km
Welwyn North Railway Station — bus stop.
Closest school
0.5 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.