1 Purcell Close, Tewin, Welwyn, AL6 0NN
About 1 Purcell Close
1 Purcell Close is a five-bedroom detached house in Tewin, Welwyn, Welwyn (AL6 0NN). It has a recorded floor area of 274 m² (around 2949 sq ft), construction records dating it to 1930-1949 and council tax band G. The latest certificate (December 2024) shows a C (score 70). When first surveyed in June 2015 the rating was D, the property has climbed 1 band since. Between certificates, wall efficiency went from Poor to Good, roof efficiency went from Average to Very Good and lighting went from Very Poor to Very Good. Other recorded features include attached land beyond the plot. The home occupies a cul-de-sac position.
Most recent transfer: October 2022 at £1,475,000. Across the public record there are 4 sales, relatively high churn for a single property. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend. 3 planning records sit against the property, 3 approved, 0 refused. Past consents include an extension, meaningful when judging how the property has evolved. Across 2006–2022, sale prices on this property compounded at 6.7% per year. On a £-per-square-foot basis, the last sale (£500/sq ft) was about 97.4% above the typical sold price in the postcode.
Know exactly what you're buying at 1 Purcell Close
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
- Dining roomYes
- EnsuiteYes
Outside
- Private gardenRear
- DrivewayYes
- LandYes
- Cul-de-sacYes
Energy performance
1 Purcell Close's carbon output runs well above what efficient homes in the postcode produce.
EPC Rating
Property Improvements
Changes detected from historical EPC data
Roof insulation improved
Heating controls changed
Cavity wall insulation installed
Loft insulation upgraded to recommended levels
More low energy lighting installed
Planning history
1 Purcell Close has an approved front extension on the planning record.
- Apr 2008OutbuildingFullIn report
Double garage (variation of consent 3/07/0723/FP)
- Documents
- 1 doc on file
- Reference
- 3/08/0399/FP
- Jun 2007OutbuildingFullIn report
Detached garage, in corner of driveway (previously approved under Ref: 3/88/1392/FP)
- Documents
- 4 docs on file
- Reference
- 3/07/0723/FP
We flagged 1 thing worth checking at 1 Purcell Close
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
1 Purcell Close has more than doubled in price since the earliest registered sale in 2006.
£1,453,000
Modelled from EPC, postcode comparables and a sale-price growth of 6.7% per year over 17 years.
£1,475,000
Growth on file: 6.7% per year over 17 years.
Sales timeline
13 October 2022Most recent
£1,475,000
+27.2%over 6 years1 March 2016
£1,160,000
+22.8%over 8 years14 November 2007
£945,000
+89.8%over 1 year7 February 2006
£498,000
Median price across the last 5 sales in AL6 0NN: £720,000 (2020–1997).
Everything we know about 1 Purcell Close, 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 Purcell Close homes
On years held, 1 Purcell Close runs well behind the street norm.
Price per m²
£5,383
Street avg £4,748
Floor Area
274 m²
Street avg 238 m²
Habitable Rooms
9 rooms
Street avg 6 rooms
CO₂ Emissions
8.3 t/year
Street avg 7.4 t/year
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1 Churchfield Road, Tewin
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The neighbourhood at a glance
Crime
2/mo
Steady year-on-year across the wider district.
Nearest stop
0.6 km
The Horns PH — bus stop.
Closest school
2.3 km
Tewin Cowper Church of England Voluntary Aided Primary School. 5 schools nearby.
Go deeper on the local area
The full report breaks down crime, transport links, schools and air quality in depth.