6 Blakes Way, Welwyn, AL6 9RE
About 6 Blakes Way
6 Blakes Way is a four-bedroom detached house in Welwyn (AL6 9RE). It has a recorded floor area of 157 m² (around 1690 sq ft), construction records dating it to 1967-1975 and council tax band F. The latest certificate (November 2024) shows a D (score 68), on the cusp of jumping into the C band. When first surveyed in August 2011 the rating was E, the property has climbed 1 band since. Between certificates, window efficiency went from Average to Good and lighting went from Good to Very Good. The recommended improvements would lift it to B (score 81), a 2-band jump. Other recorded features include a conservatory. The home occupies a cul-de-sac position.
Most recent transfer was October 2025 at £782,500 — fresh data. 5 planning records sit against the property, 3 approved, 2 refused. Past consents include an extension and partial demolition, meaningful when judging how the property has evolved. Across 2000–2025, sale prices on this property compounded at 4.3% per year. On a £-per-square-foot basis, the last sale (£463/sq ft) was about 28.7% above the typical sold price in the postcode.
Know exactly what you're buying at 6 Blakes Way
Before you offer, see what the listing won't tell you, the true value, the red flags and the full history.
Valuation
against the asking price
Risks
planning & flood
Sold prices
similar homes nearby
Trends
the local market
What this property has
Inside
- Bedrooms4
- Bathrooms3
- EnsuiteYes
- ConservatoryYes
Outside
- Private gardenYes
- GarageDouble
- Cul-de-sacYes
Energy performance
Recommended upgrades on file would lift this property by multiple EPC bands.
EPC Rating
Property Improvements
Changes detected from historical EPC data
Heating controls upgraded for better temperature management
Window efficiency improved
More low energy lighting installed
Planning history
Planning history includes recorded demolition works, indicating a major rebuild phase at this address.
- Feb 2026ExtensionOutlineIn report
Extension: Single storey · Rear of property
Certificate of lawfulness for single storey rear extension following demolition of conservatory
Retrospective- Reference
- 6/2025/2608/LAWP
- Jul 2014DemolitionFullIn report
Extension: Single storey · Rear of property
Erection of single storey rear extension following demolition of existing conservatory
Extension- Documents
- 8 docs on file
- Reference
- N6/2014/1258/FP
What's in 6 Blakes Way, Welwyn, AL6 9RE's planning history?
3 more on this property, plus refusals, disputes and full decisions nearby, in the report.
Sales history & valuation
Sale price has at least doubled since 2000.
£842,000
Modelled from EPC, postcode comparables and a sale-price growth of 4.3% per year over 25 years.
£782,500
Growth on file: 4.3% per year over 25 years.
Sales timeline
14 October 2025Most recent
£782,500
+186.6%over 24 years8 December 2000
£273,000
Median price across the last 5 sales in AL6 9RE: £840,000 (2025–2021).
Everything we know about 6 Blakes Way, in one report
What it's really worth, what could be wrong, and the planning, sales and area data in full.
- Am I paying too much?
- Is something wrong with it?
- Is the agent's story true?
- Will it hold its value?

Versus other Blakes Way homes
6 Blakes Way is notably below the street on years held.
Price per m²
£4,984
Street avg £5,071
Floor Area
157 m²
Street avg 161 m²
Habitable Rooms
6 rooms
Street avg 8 rooms
CO₂ Emissions
5.7 t/year
Street avg 5.9 t/year
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The neighbourhood at a glance
Crime
2/mo
Steady year-on-year across the wider district.
Nearest stop
0.3 km
Carleton Rise — bus stop.
Closest school
1.1 km
Welwyn St Mary's Church of England Voluntary Aided Primary School. 9 schools nearby.
Go deeper on the local area
The full report breaks down crime, transport links, schools and air quality in depth.