21 Firs Walk, Tewin, Welwyn, AL6 0NY
About 21 Firs Walk
21 Firs Walk is a property in Tewin, Welwyn, Welwyn (AL6 0NY). It has council tax band G.
Held since October 2005 — that's 21 years off the open market, well above the local norm. 3 planning records sit against the property, 2 approved, 0 refused. Past consents include an extension, meaningful when judging how the property has evolved.
Know exactly what you're buying at 21 Firs Walk
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 side and rear extension at 21 Firs Walk.
- Mar 2026RenovationFullIn report
Retrospective application for the retention of front boundary treatment and proposed installation of sliding gates
Retrospective- Documents
- 7 docs on file
- Reference
- 3/26/0323/HH
- Mar 2007FullIn report
Landscaping works at rear of dwelling (Retrospective)
Retrospective- Documents
- 4 docs on file
- Reference
- 3/07/0256/FP
We flagged 1 thing worth checking at 21 Firs Walk
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
£710,000
Recorded with HM Land Registry.
Sales timeline
25 October 2005Most recent
£710,000
Median price across the last 5 sales in AL6 0NY: £1,300,000 (2025–2020).
Nearby sales in AL6 0NY
Everything we know about 21 Firs Walk, 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
0.7 km
Desborough Drive — bus stop.
Closest school
1.9 km
Tewin Cowper Church of England Voluntary Aided Primary School. 7 schools nearby.
Go deeper on the local area
The full report breaks down crime, transport links, schools and air quality in depth.