5 Firs Walk, Tewin, Welwyn, AL6 0NY
About 5 Firs Walk
5 Firs Walk is a four-bedroom detached house in Tewin, Welwyn, Welwyn (AL6 0NY). It has a recorded floor area of 175 m² (around 1879 sq ft), construction records dating it to 1930-1949 and council tax band G. The latest certificate (May 2010) shows an E (score 43), well below the UK norm with real room to improve. The recommended improvements would push it to D (score 56). The latest certificate is from May 2010, so improvements made since then won't be reflected.
It hasn't traded since January 2011, a hold of 15 years that's notably long for the area. At 175 m² it's 25.7% smaller than the typical home in the postcode (235 m² median across 14 EPCs). It lags the bulk of the postcode on energy efficiency (less efficient than 79% of similar EPCs). Today's modelled estimate of £1,118,000 is 18.9% above the 2011 sale price. On a £-per-square-foot basis, the last sale (£500/sq ft) was about 90.9% above the typical sold price in the postcode.
Know exactly what you're buying at 5 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
What this property has
Inside
- Bedrooms4
Energy performance
5 Firs Walk'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This certificate is over 10 years old and is no longer valid.Expired 23 May 2020
EPC Rating
Planning history
5 Firs Walk has no planning applications on record.
Notable planning nearby
1applications of note in the surrounding area
We flagged 1 thing worth checking at 5 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
30-day money-back guarantee
Sales history & valuation
5 Firs Walk valuation sits well clear of the typical sold price in this postcode.
£1,118,000
Modelled from EPC, postcode comparables.
£940,000
Recorded with HM Land Registry.
Sales timeline
18 January 2011Most recent
£940,000
Median price across the last 5 sales in AL6 0NY: £1,300,000 (2025–2020).
Nearby sales in AL6 0NY
Everything we know about 5 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

Versus other Firs Walk homes
On epc rating, 5 Firs Walk runs well behind the street norm.
Price per m²
£5,386
Street avg £4,570
Floor Area
175 m²
Street avg 245 m²
Habitable Rooms
7 rooms
Street avg 8 rooms
CO₂ Emissions
12.0 t/year
Street avg 8.0 t/year
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.