10 Cowpers Way, Tewin, Welwyn, AL6 0NX
About 10 Cowpers Way
10 Cowpers Way is a five-bedroom detached house in Tewin, Welwyn, Welwyn (AL6 0NX). It has a recorded floor area of 245 m² (around 2637 sq ft), construction records dating it to 1930-1949 and council tax band H. The latest certificate (May 2024) shows a D (score 67), on the cusp of jumping into the C band. The recommended improvements would push it to C (score 76).
4 planning records sit against the property, 3 approved, 1 refused. Past consents include an extension and a conservatory, meaningful when judging how the property has evolved. Across 1996–2024, sale prices on this property compounded at 8% per year. On a £-per-square-foot basis, the last sale (£645/sq ft) was about 181.1% above the typical sold price in the postcode. Sold October 2024 for £1,700,000.
Know exactly what you're buying at 10 Cowpers 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
- Bathrooms3
Energy performance
10 Cowpers Way's carbon output runs well above what efficient homes in the postcode produce.
EPC Rating
Planning history
10 Cowpers Way has 2 separate extension applications on the council record.
- Mar 2014AmendmentIn report
Non-material amendment to 3/13/1144/FP: installation of Velux window to pitch
- Documents
- 3 docs on file
- Reference
- 3/14/0440/MA
- Aug 2013ExtensionFullIn report
Extension: Single storey · Side of property
Single storey side extension.
- Agent
- Dpa (London) Ltd
- Documents
- 12 docs on file
- Reference
- 3/13/1144/FP
We flagged 1 thing worth checking at 10 Cowpers 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
Price for 10 Cowpers Way has grown more than fourfold since the 1996 starting point.
£1,716,000
Modelled from EPC, postcode comparables and a sale-price growth of 8.0% per year over 28 years.
£1,700,000
Growth on file: 8.0% per year over 28 years.
Sales timeline
24 October 2024Most recent
£1,700,000
+327.1%over 27 years9 September 1997
£398,000
+106.2%over 1 year20 May 1996
£193,000
Median price across the last 3 sales in AL6 0NX: £1,024,000 (2017–1998).
Everything we know about 10 Cowpers 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

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The neighbourhood at a glance
Crime
2/mo
Steady year-on-year across the wider district.
Nearest stop
0.5 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.