5a, Desborough Drive, Tewin, Welwyn, AL6 0HQ
About 5a
5a is a five-bedroom detached house in Tewin, Welwyn, Welwyn (AL6 0HQ). It has a recorded floor area of 236 m² (around 2540 sq ft), construction records dating it to 1900-1929 and council tax band G. The latest certificate (January 2024) shows a D (score 66), on the cusp of jumping into the C band. The recommended improvements would push it to C (score 76). Other recorded features include attached land beyond the plot. Period features are noted in the property record.
Today's modelled estimate of £1,744,000 sits 105.2% above the 2011 sale of £850,000. 2 planning records sit against the property, 2 approved, 0 refused. Past consents include an extension, meaningful when judging how the property has evolved. At 236 m² it's 23.6% larger than the typical home in the postcode (191 m² median across 8 EPCs). Last changed hands 15 years ago, in June 2011.
Know exactly what you're buying at 5a
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
- Dining roomYes
- EnsuiteYes
Outside
- GarageDouble
- LandYes
Building
- Central heatingYes
- Period featuresYes
Energy performance
5a's carbon output runs well above what efficient homes in the postcode produce.
EPC Rating
Planning history
- Nov 2017ExtensionFullIn report
Extension: Rear of property
Two storey rear extension including balcony. Single storey rear extension, first floor side window and steps to rear garden.
- Documents
- 12 docs on file
- Reference
- 3/17/1948/HH
- Sept 2015ExtensionFullIn report
Conversion of existing garage to habitable accommodation, new upper terrace and erection of detached double garage
- Agent
- Hertford Planning Service
- Documents
- 5 docs on file
- Reference
- 3/15/1517/HH
We flagged 1 thing worth checking at 5a
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
5a valuation sits well clear of the typical sold price in this postcode.
£1,744,000
Modelled from EPC, postcode comparables.
£850,000
Recorded with HM Land Registry.
Sales timeline
23 June 2011Most recent
£850,000
Median price across the last 5 sales in AL6 0HQ: £1,450,000 (2024–2018).
Nearby sales in AL6 0HQ
1a, Desborough Drive, Tewin, Welwyn, AL6 0HQ
Sold Oct 2024
£1,450,0005 Desborough Drive, Tewin, Welwyn, AL6 0HQ
Sold Jun 2024
£1,740,00011 Desborough Drive, Tewin, Welwyn, AL6 0HQ
Sold Feb 2021
£1,575,0001 Desborough Drive, Tewin, Welwyn, AL6 0HQ
Sold Oct 2020
£925,0009a, Desborough Drive, Tewin, Welwyn, AL6 0HQ
Sold Aug 2018
£1,000,000
Everything we know about 5a, 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 Desborough Drive homes
5a outperforms the street on epc rating by a wide margin.
Price per m²
£3,602
Street avg £5,335
Floor Area
236 m²
Street avg 228 m²
Habitable Rooms
10 rooms
Street avg 9 rooms
CO₂ Emissions
8.5 t/year
Street avg 9.1 t/year
Similar properties nearby
1 Desborough Drive, Tewin
AL6 0HQ
1 Acorn Glade, Digswell
AL6 0AZ
1 Broom Hill
AL6 0SF
1 Badgers Walk, Tewin
AL6 0HP
1 Cob Lane Close, Digswell
AL6 0DD
1 Churchfield Road, Tewin
AL6 0JW
1 Chestnut Walk
AL6 0SB
1 Barneswood
AL6 0EU
The neighbourhood at a glance
Crime
2/mo
Steady year-on-year across the wider district.
Nearest stop
0.2 km
Desborough Drive — bus stop.
Closest school
1.8 km
Tewin Cowper Church of England Voluntary Aided Primary School. 8 schools nearby.
Go deeper on the local area
The full report breaks down crime, transport links, schools and air quality in depth.