21 The Cloisters, Welwyn Garden City, AL8 6DU
About 21 The Cloisters
21 The Cloisters is a two-bedroom semi-detached house in Welwyn Garden City (AL8 6DU). It has a recorded floor area of 54 m² (around 581 sq ft), construction records dating it to 1983-1990 and council tax band D. The latest certificate (September 2019) shows a C (score 69), just inside the C band. The recommended improvements would push it to B (score 86).
Untraded for 17 years, with the last transfer in July 2009. That sale fell during the post-crash dip, which often skews comparisons against later neighbouring sales. Across 2004–2009, sale prices on this property compounded at 1% per year. Today's modelled estimate of £411,000 sits 74.9% above the 2009 sale of £235,000. One planning record on file: an extension approved in 2002. Past consents include an extension and a conservatory, meaningful when judging how the property has evolved.
Know exactly what you're buying at 21 The Cloisters
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
- Bedrooms2
- Bathrooms1
Energy performance
EPC Rating
Planning history
21 The Cloisters has an approved single-storey rear extension on the planning record.
- Jan 2002ConservatoryIn report
Extension: Single storey · Rear of property
SINGLE STOREY REAR EXTENSION, AND ALTERATIONS TO EXISTING CONSERVATORY
Extension- Reference
- W6/2001/1588/EM
What's in 21 The Cloisters, Welwyn Garden City, AL8 6DU's planning history?
Refusals, disputes and full decisions on this property and nearby, in the report.
Sales history & valuation
The latest sale fell during the post-2008 dip, often a low-water mark in price comparisons.
£411,000
Modelled from EPC, postcode comparables and a sale-price growth of 1.0% per year over 5 years.
£235,000
Growth on file: 1.0% per year over 5 years.
Sales timeline
27 July 2009Most recent
£235,000
+4.9%over 4 years2 December 2004
£224,000
Median price across the last 5 sales in AL8 6DU: £415,000 (2023–2019).
Nearby sales in AL8 6DU
33 The Cloisters, Welwyn Garden City, AL8 6DU
Sold Jul 2023
£437,00015 The Cloisters, Welwyn Garden City, AL8 6DU
Sold May 2023
£415,00019 The Cloisters, Welwyn Garden City, AL8 6DU
Sold Aug 2020
£432,50023 The Cloisters, Welwyn Garden City, AL8 6DU
Sold Jul 2020
£395,00031 The Cloisters, Welwyn Garden City, AL8 6DU
Sold Aug 2016
£380,000
Everything we know about 21 The Cloisters, 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 The Cloisters homes
21 The Cloisters is notably below the street on price per m².
Price per m²
£4,352
Street avg £5,912
Floor Area
54 m²
Street avg 59 m²
Habitable Rooms
3 rooms
Street avg 3 rooms
CO₂ Emissions
2.2 t/year
Street avg 2.4 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
0.1 km
Birdcroft Rd — bus stop.
Closest school
0.7 km
Applecroft School. 21 schools nearby.
Go deeper on the local area
The full report breaks down crime, transport links, schools and air quality in depth.