34 Firs Walk, Tewin, Welwyn, AL6 0NZ
About 34 Firs Walk
34 Firs Walk is a five-bedroom detached house in Tewin, Welwyn, Welwyn (AL6 0NZ). It has a recorded floor area of 273 m² (around 2934 sq ft), construction records dating it to 1976-1982 and council tax band G. The latest certificate (October 2008) shows an E (score 51), well below the UK norm with real room to improve. The recommended improvements would lift it to C (score 72), a 2-band jump. The latest certificate is from October 2008, so improvements made since then won't be reflected.
At 273 m² it's 18.5% larger than the typical home in the postcode (230 m² median across 13 EPCs). On the market in April 2012 and unlisted since — roughly 14 years. 3 planning records sit against the property, 0 approved, 3 refused. Across 1996–2012, sale prices on this property compounded at 7.5% per year. Today's modelled estimate of £1,232,000 is 49.3% above the 2012 sale price.
Know exactly what you're buying at 34 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
- Bedrooms5
Energy performance
34 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This certificate is over 10 years old and is no longer valid.Expired 01 Oct 2018
EPC Rating
Planning history
34 Firs Walk has 2 separate extension applications on the council record.
- Sept 2018ExtensionFullIn report
Extension: Front of property
Single storey front extension, first floor front extension, replacement of garage door with casement window, two front elevation dormers, bi-fold doors to rear elevation, juliet balcony to rear elevation.
- Documents
- 13 docs on file
- Reference
- 3/18/1602/HH
- Jul 2017ExtensionOutlineIn report
Extension: Two storey · Rear of property
Two storey rear extension
- Agent
- Hertford Planning Service
- Documents
- 4 docs on file
- Reference
- 3/17/1234/CLP
We flagged 1 thing worth checking at 34 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
34 Firs Walk has more than tripled in price since its earliest registered sale in 1996.
£1,232,000
Modelled from EPC, postcode comparables and a sale-price growth of 7.5% per year over 16 years.
£825,000
Growth on file: 7.5% per year over 16 years.
Sales timeline
26 April 2012Most recent
£825,000
+211.3%over 15 years1 August 1996
£265,000
Median price across the last 5 sales in AL6 0NZ: £1,301,000 (2023–2021).
Nearby sales in AL6 0NZ
Everything we know about 34 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 price per m², 34 Firs Walk runs well behind the street norm.
Price per m²
£3,027
Street avg £6,278
Floor Area
273 m²
Street avg 225 m²
Habitable Rooms
9 rooms
Street avg 8 rooms
CO₂ Emissions
11.0 t/year
Street avg 9.1 t/year
Similar properties nearby
1 Desborough Drive, Tewin
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1 Broom Hill
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1 Badgers Walk, Tewin
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1 Cob Lane Close, Digswell
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1 Churchfield Road, Tewin
AL6 0JW
1 Chestnut Walk
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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.