6 Hazel Close, Welwyn, AL6 0DJ
About 6 Hazel Close
6 Hazel Close is a detached house in Welwyn (AL6 0DJ). It has a recorded floor area of 74 m² (around 797 sq ft), construction records dating it to 1950-1966 and council tax band E. The latest certificate (November 2014) shows a C (score 69), just inside the C band. The recommended improvements would push it to B (score 86). The latest certificate is from November 2014, so improvements made since then won't be reflected.
At 74 m² it sits well below the postcode median (126 m² across 6 EPCs), making it one of the more compact homes locally. 2 planning records sit against the property, 2 approved, 0 refused. Past consents include an extension, meaningful when judging how the property has evolved. Across 2001–2016, sale prices on this property compounded at 6.2% per year. Today's modelled estimate of £621,000 is 19.4% above the 2016 sale price. On a £-per-square-foot basis, the last sale (£653/sq ft) was about 154.6% above the typical sold price in the postcode. Last sold in February 2016, so it's been off the market for around 10 years.
Know exactly what you're buying at 6 Hazel Close
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
6 Hazel Close's EPC is over a decade old — improvements since won't be reflected.
EPC Expired
This certificate is over 10 years old and is no longer valid.Expired 12 Nov 2024
EPC Rating
Planning history
6 Hazel Close has an approved single-storey rear extension on the planning record.
- Nov 2020ConditionsIn report
Submission of details pursuant to condition 1 (materials) on planning permission 6/2019/1270/HOUSE, dated 13 August 2019
- Reference
- 6/2020/2571/COND
- Aug 2019ExtensionFullIn report
Extension: Single storey · Rear of property
Erection of a single storey rear extension
- Reference
- 6/2019/1270/HOUSE
We flagged 2 things worth checking at 6 Hazel Close
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
- Recent ownership pattern worth a look
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Sales history & valuation
6 Hazel Close has more than doubled in price since the earliest registered sale in 2001.
£621,000
Modelled from EPC, postcode comparables and a sale-price growth of 6.2% per year over 15 years.
£520,000
Growth on file: 6.2% per year over 15 years.
Sales timeline
23 February 2016Most recent
£520,000
+35.1%27 August 2015
£385,000
+83.3%over 14 years14 February 2001
£210,000
Median price across the last 5 sales in AL6 0DJ: £680,000 (2024–2009).
Everything we know about 6 Hazel Close, 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
- Recent ownership pattern worth a look

Versus other Hazel Close homes
Price per m² for 6 Hazel Close runs comfortably ahead of the street norm.
Price per m²
£7,027
Street avg £4,541
Floor Area
74 m²
Street avg 123 m²
Habitable Rooms
4 rooms
Street avg 5 rooms
CO₂ Emissions
2.6 t/year
Street avg 4.7 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
0.2 km
Welwyn North Rail Station — railway station.
Closest school
0.7 km
St John's CofE Primary School. 13 schools nearby.
Go deeper on the local area
The full report breaks down crime, transport links, schools and air quality in depth.