11 Warren Way, Welwyn, AL6 0DQ
About 11 Warren Way
11 Warren Way is a four-bedroom detached house in Welwyn (AL6 0DQ). It has a recorded floor area of 165 m² (around 1776 sq ft), construction records dating it to 1950-1966 and council tax band F. The latest certificate (August 2015) shows an E (score 52), well below the UK norm with real room to improve. Earlier certificates rated it D (August 2014); the latest reading is one band lower. Between certificates, lighting went from Good to Very Good. The recommended improvements would lift it to B (score 89), a 3-band jump. The latest certificate is from August 2015, so improvements made since then won't be reflected. Other recorded features include attached land beyond the plot. Records show the property has been extended at some point in its history. The home occupies a cul-de-sac position.
4 planning records sit against the property, 4 approved, 0 refused. Past consents include tree works, meaningful when judging how the property has evolved. It lags the bulk of the postcode on energy efficiency (less efficient than 73% of similar EPCs). Last changed hands 11 years ago, in July 2015. Today's modelled estimate of £886,000 is 42.9% above the 2015 sale price.
Know exactly what you're buying at 11 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
- Bedrooms4
- Bathrooms1
- Dining roomYes
- Utility roomYes
Outside
- Private gardenWrap around
- GarageIntegral
- LandYes
- Cul-de-sacYes
Building
- Previously extendedYes
Energy performance
11 Warren Way'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This certificate is over 10 years old and is no longer valid.Expired 13 Aug 2025
EPC Rating
Property Improvements
Changes detected from historical EPC data
Heating controls changed
Roof insulation improved
More low energy lighting installed
Planning history
11 Warren Way has been through 4 approved planning applications — a well-evolved property.
- Dec 2023Tree WorksTreesIn report
1 x Hornbeam - pollard to 4 metres to maintain the size of tree as has grown large since previous pollard (TPO 1156 G6)
- Reference
- 6/2023/2342/TPO
- May 2021Tree WorksTreesIn report
Pollard 2 x low hanging branches on 1 x Hornbeam tree (T1), fell 4 x Holly trees (T2, T3, T4, T5), fell 1 x Horse Chestnut tree (T6) covered by TPO 1156
- Reference
- 6/2021/0880/TPO
We flagged 1 thing worth checking at 11 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
11 Warren Way valuation sits well clear of the typical sold price in this postcode.
£886,000
Modelled from EPC, postcode comparables.
£620,000
Recorded with HM Land Registry.
Sales timeline
2 July 2015Most recent
£620,000
Median price across the last 5 sales in AL6 0DQ: £850,000 (2025–2019).
Everything we know about 11 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
Price per m² for 11 Warren Way lags the street by a wide margin.
Price per m²
£3,758
Street avg £5,452
Floor Area
165 m²
Street avg 153 m²
Habitable Rooms
7 rooms
Street avg 7 rooms
CO₂ Emissions
7.2 t/year
Street avg 6.3 t/year
Similar properties nearby
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.