1 Upper Green, Tewin, Welwyn, AL6 0LX
About 1 Upper Green
1 Upper Green is a property in Tewin, Welwyn, Welwyn (AL6 0LX). It has council tax band F.
Untraded for 23 years, with the last transfer in April 2003. 2 planning records sit against the property, 2 approved, 0 refused. Past consents include an extension, a garage conversion and a porch, meaningful when judging how the property has evolved.
Know exactly what you're buying at 1 Upper Green
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
No EPC on record
This property doesn't have an Energy Performance Certificate yet. An EPC is required to sell or let — and unlocks our automated valuation.
Planning history
Council records include a part-single-part-two-storey extension at 1 Upper Green.
- Mar 2022Garage ConversionFullIn report
Extension: Single storey
Demolition of porch and erection of single storey front porch extension, garage conversion, single storey rear extension and alterations to fenestration and openings.
ExtensionPorch- Documents
- 15 docs on file
- Reference
- 3/21/3101/HH
- Mar 2005ExtensionFullIn report
Extension: Part single, part two storey
Part single storey, part two storey front, side & rear extension
- Reference
- 3/05/0264/FP
We flagged 1 thing worth checking at 1 Upper Green
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
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Sales history & valuation
£443,000
Recorded with HM Land Registry.
Sales timeline
15 April 2003Most recent
£443,000
Median price across the last 2 sales in AL6 0LX: £675,000 (2018–2000).
Everything we know about 1 Upper Green, 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

Similar properties nearby
The neighbourhood at a glance
Crime
2/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
Plume of Feathers PH — bus stop.
Closest school
0.9 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.