41 Warren Way, Welwyn, AL6 0DQ
About 41 Warren Way
41 Warren Way is a five-bedroom detached house in Welwyn (AL6 0DQ). It has a recorded floor area of 186 m² (around 2002 sq ft), construction records dating it to 1950-1966 and council tax band F. The latest certificate (May 2014) shows a C (score 71). The recommended improvements would push it to B (score 83). The latest certificate is from May 2014, so improvements made since then won't be reflected.
3 planning records sit against the property, 2 approved, 0 refused. Past consents include an extension, meaningful when judging how the property has evolved. At 186 m² it's 20.8% larger than the typical home in the postcode (154 m² median across 11 EPCs). Its energy rating outperforms most of the postcode (better than 82% of similar EPCs). On the market in August 2014 and unlisted since — roughly 12 years. Across 2007–2014, sale prices on this property compounded at 17% per year. Today's modelled estimate of £997,000 is 30.3% above the 2014 sale price.
Know exactly what you're buying at 41 Warren Way
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
41 Warren Way's EPC is over a decade old — improvements since won't be reflected.
EPC Expired
This certificate is over 10 years old and is no longer valid.Expired 26 May 2024
EPC Rating
Planning history
41 Warren Way has an approved side and rear extension on the planning record.
- Feb 2026Tree WorksTreesIn report
TPO 1156 Large Beech tree to reduce lowest limb by 2-3 metres
- Reference
- 6/2026/0316/TPO
- Apr 2021ExtensionFullIn report
Extension: Single storey · Rear of property
Erection of single storey rear extension, outbuilding beneath patio and alterations to first floor rear fenestration.
- Reference
- 6/2021/0284/HOUSE
We flagged 1 thing worth checking at 41 Warren Way
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
41 Warren Way has more than tripled in price since its earliest registered sale in 2007.
£997,000
Modelled from EPC, postcode comparables and a sale-price growth of 17.0% per year over 7 years.
£765,000
Growth on file: 17.0% per year over 7 years.
Sales timeline
25 August 2014Most recent
£765,000
+206.0%over 7 years5 July 2007
£249,995
Median price across the last 5 sales in AL6 0DQ: £850,000 (2025–2019).
Everything we know about 41 Warren Way, 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 Warren Way homes
41 Warren Way outperforms the street on epc rating by a wide margin.
Price per m²
£4,113
Street avg £5,412
Floor Area
186 m²
Street avg 151 m²
Habitable Rooms
8 rooms
Street avg 6 rooms
CO₂ Emissions
5.2 t/year
Street avg 6.5 t/year
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The neighbourhood at a glance
Rail-style transport is unusually close for this postcode.
Crime
2/mo
Steady year-on-year across the wider district.
Nearest stop
0.3 km
Welwyn North Rail Station — railway station.
Closest school
0.8 km
St John's CofE Primary School. 12 schools nearby.
Go deeper on the local area
The full report breaks down crime, transport links, schools and air quality in depth.