20 Firs Walk, Tewin, Welwyn, AL6 0NZ
About 20 Firs Walk
20 Firs Walk is a four-bedroom detached house in Tewin, Welwyn, Welwyn (AL6 0NZ). It has a recorded floor area of 147 m² (around 1582 sq ft), construction records dating it to 1950-1966 and council tax band G. The latest certificate (January 2019) shows an E (score 54), well below the UK norm with real room to improve. The recommended improvements would lift it to C (score 77), a 2-band jump.
At 147 m² it sits well below the postcode median (263 m² across 13 EPCs), making it one of the more compact homes locally. 5 planning records sit against the property, 4 approved, 1 refused. Past consents include an extension and partial demolition, meaningful when judging how the property has evolved. Today's modelled estimate of £1,342,000 is 27.8% above the 2019 sale price. On a £-per-square-foot basis, the last sale (£664/sq ft) was about 114.7% above the typical sold price in the postcode. Sold July 2019 for £1,050,000.
Know exactly what you're buying at 20 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
- Bathrooms2
Energy performance
20 Firs Walk's carbon output runs well above what efficient homes in the postcode produce.
EPC Rating
Planning history
A recent planning application at 20 Firs Walk was refused — worth checking the council file.
- Dec 2022RenovationAmendmentIn report
Non-material amendment to 3/21/0356/HH: Re-instating the existing side lean-to with blocked up window and door openings and adding a new door to the North Elevation.
- Documents
- 4 docs on file
- Reference
- 3/22/0852/NMA
- Mar 2022DemolitionOutlineIn report
Extension: Single storey · Side of property
Demolition of garage and rear extension and erection of single storey side extension with alterations to rear fenestration.
Extension- Reference
- 3/21/3068/CLPO
We flagged 1 thing worth checking at 20 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
20 Firs Walk valuation sits well clear of the typical sold price in this postcode.
£1,342,000
Modelled from EPC, postcode comparables.
£1,050,000
Recorded with HM Land Registry.
Sales timeline
10 July 2019Most recent
£1,050,000
Median price across the last 5 sales in AL6 0NZ: £1,301,000 (2023–2021).
Nearby sales in AL6 0NZ
Everything we know about 20 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 floor area, 20 Firs Walk runs well behind the street norm.
Price per m²
£7,143
Street avg £5,935
Floor Area
147 m²
Street avg 235 m²
Habitable Rooms
7 rooms
Street avg 9 rooms
CO₂ Emissions
7.9 t/year
Street avg 9.4 t/year
Similar properties nearby
1 Badgers Walk, Tewin
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1 Chestnut Walk
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1 Barneswood
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1 Copper Beeches
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1 Bluebells
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1 Desborough Drive, Tewin
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1 Acorn Glade, Digswell
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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.