4 Adele Avenue, Welwyn, AL6 0AU
About 4 Adele Avenue
4 Adele Avenue is a two-bedroom detached house in Welwyn (AL6 0AU). It has a recorded floor area of 78 m² (around 840 sq ft), construction records dating it to 1967-1975 and council tax band E. The latest certificate (June 2024) shows a C (score 71). When first surveyed in September 2011 the rating was D, the property has climbed 1 band since. Between certificates, window efficiency went from Average to Good and lighting went from Average to Very Good; while wall efficiency dropped from Good to Average and roof efficiency dropped from Good to Average. The recommended improvements would push it to B (score 84). Records show the property has been extended at some point in its history.
Across 1996–2015, sale prices on this property compounded at 7.7% per year. Today's modelled estimate of £602,000 sits 56.4% above the 2015 sale of £385,000. On a £-per-square-foot basis, the last sale (£459/sq ft) was about 99.1% above the typical sold price in the postcode. One planning record on file: an extension approved in 2015. Past consents include an extension, meaningful when judging how the property has evolved. Last changed hands 11 years ago, in August 2015. 2 bedrooms is on the smaller side for this postcode, where 4 is the typical count.
Know exactly what you're buying at 4 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
- Open-plan layoutYes
- Utility roomYes
Outside
- Private gardenSouth-facing
- GarageYes
Building
- Previously extendedYes
- RefurbishedYes
Energy performance
EPC Rating
Property Improvements
Changes detected from historical EPC data
Window efficiency improved
More low energy lighting installed
Planning history
4 Adele Avenue has an approved side and rear extension on the planning record.
- Oct 2015ExtensionOutlineIn report
Extension: Side and rear of property
Certificate of Lawfulness for single storey side & rear extension
- Reference
- 6/2015/1777/LAWP
We flagged 1 thing worth checking at 4 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
Price for 4 Adele Avenue has grown more than fourfold since the 1996 starting point.
£602,000
Modelled from EPC, postcode comparables and a sale-price growth of 7.7% per year over 19 years.
£385,000
Growth on file: 7.7% per year over 19 years.
Sales timeline
2 August 2015Most recent
£385,000
+6.9%over 3 years6 December 2011
£360,000
+278.9%over 15 years1 September 1996
£95,000
Median price across the last 5 sales in AL6 0AU: £337,500 (2024–2016).
Everything we know about 4 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
On co₂ emissions, 4 Adele Avenue stands well clear of the street.
Price per m²
£4,936
Street avg £4,094
Floor Area
78 m²
Street avg 107 m²
Habitable Rooms
3 rooms
Street avg 6 rooms
CO₂ Emissions
2.5 t/year
Street avg 6.2 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.