4 Becket Gardens, Welwyn, AL6 9JE
About 4 Becket Gardens
4 Becket Gardens is a three-bedroom semi-detached house in Welwyn (AL6 9JE). It has a recorded floor area of 102 m² (around 1098 sq ft), construction records dating it to 1967-1975 and council tax band E. The latest certificate (November 2021) shows a D (score 66), on the cusp of jumping into the C band. The rating has held steady at D across 2 certificates since August 2010. Between certificates, wall efficiency went from Poor to Average and lighting went from Poor to Very Good; while window efficiency dropped from Good to Average. The recommended improvements would lift it to B (score 81), a 2-band jump.
Most recent transfer: March 2022 at £480,000. 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. Across 1997–2022, sale prices on this property compounded at 7% per year. On a £-per-square-foot basis, the last sale (£437/sq ft) was about 21.5% above the typical sold price in the postcode. One planning record on file: an extension refused in 2017.
Know exactly what you're buying at 4 Becket Gardens
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
- Bedrooms3
- Bathrooms1
- CloakroomYes
Outside
- GarageEn bloc
Energy performance
Recommended upgrades on file would lift this property by multiple EPC bands.
EPC Rating
Property Improvements
Changes detected from historical EPC data
Cavity wall insulation installed
More low energy lighting installed
Planning history
- May 2017PorchFullIn report
Extension: Front of property
Erection of single storey front porch, following demolition of existing single storey front lobby
Extension- Reference
- 6/2017/0584/HOUSE
What's in 4 Becket Gardens, Welwyn, AL6 9JE's planning history?
Refusals, disputes and full decisions on this property and nearby, in the report.
Sales history & valuation
4 Becket Gardens has more than quadrupled in price since its earliest registered sale in 1997.
£500,000
Modelled from EPC, postcode comparables and a sale-price growth of 7.0% per year over 25 years.
£480,000
Growth on file: 7.0% per year over 25 years.
Sales timeline
30 March 2022Most recent
£480,000
+81.1%over 10 years31 August 2011
£265,000
+23.3%over 6 years19 November 2004
£215,000
+138.9%over 7 years27 July 1997
£90,000
Median price across the last 5 sales in AL6 9JE: £420,000 (2025–2024).
Everything we know about 4 Becket Gardens, 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 Becket Gardens homes
Price per m²
£4,706
Street avg £4,656
Floor Area
102 m²
Street avg 97 m²
Habitable Rooms
5 rooms
Street avg 5 rooms
CO₂ Emissions
4.0 t/year
Street avg 3.8 t/year
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The neighbourhood at a glance
Crime
2/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
St Mary's School — bus stop.
Closest school
0.2 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.