6 The Hazels, Lower Green, Tewin, Welwyn, AL6 0HZ
About 6 The Hazels
6 The Hazels is a three-bedroom semi-detached house in Tewin, Welwyn, Welwyn (AL6 0HZ). It has a recorded floor area of 212 m² (around 2282 sq ft) and construction records dating it to before 1900. It is a listed building, which means external alterations are tightly controlled but it may qualify for heritage tax reliefs. The latest certificate (June 2015) shows a D (score 58), a step below the typical UK home. The recommended improvements would push it to C (score 77). The latest certificate is from June 2015, so improvements made since then won't be reflected.
At 212 m² the property is well over the postcode median (84 m² across 3 EPCs), placing it in the larger end of the local stock. Most recent transfer was March 2025 at £780,000 — fresh data. 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 2013–2025, sale prices on this property compounded at 4.8% per year.
Know exactly what you're buying at 6 The Hazels
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
- Bedrooms3
- Bathrooms2
- Dining roomYes
- Utility roomYes
- EnsuiteYes
Outside
- Private gardenYes
- GarageYes
Building
- Listed buildingYes
- RefurbishedYes
Energy performance
6 The Hazels's carbon output runs well above what efficient homes in the postcode produce.
EPC Expired
This certificate is over 10 years old and is no longer valid.Expired 14 Jun 2025
EPC Rating
Planning history
6 The Hazels has 2 separate extension applications on the council record.
- Mar 2014ExtensionFullIn report
Extension: Single storey · Side of property
Single storey side extension
- Agent
- Lune Architects
- Documents
- 14 docs on file
- Reference
- 3/14/0134/FP
- Mar 2014ExtensionHeritageIn report
Extension: Single storey · Side of property
Single storey side extension and internal alterations
- Agent
- Lune Architects
- Documents
- 11 docs on file
- Reference
- 3/14/0136/LB
We flagged 1 thing worth checking at 6 The Hazels
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
Latest sale on 6 The Hazels was the highest on Land Registry record across the postcode.
£717,000
Modelled from EPC, postcode comparables and a sale-price growth of 4.8% per year over 11 years.
£780,000
Growth on file: 4.8% per year over 11 years.
Sales timeline
30 March 2025Most recent
£780,000
+71.2%over 11 years17 October 2013
£455,500
Median price across the last 5 sales in AL6 0HZ: £356,000 (2021–2004).
Nearby sales in AL6 0HZ
3 The Hazels, Lower Green, Tewin, Welwyn, AL6 0HZ
Sold Feb 2021
£535,0002 The Hazels, Lower Green, Tewin, Welwyn, AL6 0HZ
Sold Dec 2014
£365,0004 The Hazels, Lower Green, Tewin, Welwyn, AL6 0HZ
Sold Jul 2010
£356,0001 The Hazels, Lower Green, Tewin, Welwyn, AL6 0HZ
Sold Nov 2000
£207,0005 The Hazels, Lower Green, Tewin, Welwyn, AL6 0HZ
Sold Jul 2000
£250,000
Everything we know about 6 The Hazels, 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 The Hazels homes
6 The Hazels is notably below the street on price per m².
Price per m²
£3,679
Street avg £4,478
Floor Area
212 m²
Street avg 93 m²
Habitable Rooms
6 rooms
Street avg 6 rooms
CO₂ Emissions
9.8 t/year
Street avg 4.4 t/year
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The neighbourhood at a glance
Crime
2/mo
Steady year-on-year across the wider district.
Nearest stop
0.2 km
Grasswarren Estate — bus stop.
Closest school
0.1 km
Tewin Cowper Church of England Voluntary Aided Primary School. 9 schools nearby.
Go deeper on the local area
The full report breaks down crime, transport links, schools and air quality in depth.