16e, Grass Warren, Tewin, Welwyn, AL6 0JJ
About 16e
16e is a semi-detached house in Tewin, Welwyn, Welwyn (AL6 0JJ). It has a recorded floor area of 96 m² (around 1033 sq ft). The latest certificate (November 2014) returns a B (score 82), comfortably above the UK average. The recommended improvements would push it to A (score 92). The latest certificate is from November 2014, so improvements made since then won't be reflected.
At 96 m² the property is well over the postcode median (67 m² across 22 EPCs), placing it in the larger end of the local stock. One historical planning record sits against the property in 2021.
Know exactly what you're buying at 16e
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
16e'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This certificate is over 10 years old and is no longer valid.Expired 04 Nov 2024
EPC Rating
Planning history
- Mar 2021OutbuildingFullIn report
Erection of garden room
- Documents
- 7 docs on file
- Reference
- 3/21/0204/HH
We flagged 1 thing worth checking at 16e
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
16e has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£487,000
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 0JJ: £300,000 (2022–2005).
Nearby sales in AL6 0JJ
Everything we know about 16e, 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 Grass Warren homes
16e outperforms the street on epc rating by a wide margin.
EPC Rating
82 (B)
Street avg 70 (C)
Floor Area
96 m²
Street avg 73 m²
CO₂ Emissions
1.8 t/year
Street avg 2.6 t/year
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The neighbourhood at a glance
Crime
2/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
Grasswarren Estate — bus stop.
Closest school
0.2 km
Tewin Cowper Church of England Voluntary Aided Primary School. 10 schools nearby.
Go deeper on the local area
The full report breaks down crime, transport links, schools and air quality in depth.