23 Becket Gardens, Welwyn, AL6 9JE
About 23 Becket Gardens
23 Becket Gardens is a three-bedroom end-of-terrace house in Welwyn (AL6 9JE). It has a recorded floor area of 99 m² (around 1066 sq ft), construction records dating it to 1967-1975 and council tax band E. The latest certificate (August 2019) shows a D (score 66), on the cusp of jumping into the C band. The rating has held steady at D across 3 certificates since November 2009. Between certificates, wall efficiency went from Poor to Average and roof efficiency went from Average to Good. The recommended improvements would lift it to B (score 81), a 2-band jump.
2 planning records sit against the property, 1 approved, 1 refused. Past consents include a garage conversion, meaningful when judging how the property has evolved. Across 1998–2020, sale prices on this property compounded at 5.5% per year. Today's modelled estimate of £480,000 is 16.5% above the 2020 sale price. Last sale on file: £412,000 in July 2020.
Know exactly what you're buying at 23 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
- Dining roomYes
- CloakroomYes
- StudyYes
Outside
- Private gardenRear
- GarageYes
Energy performance
Recommended upgrades on file would lift this property by multiple EPC bands.
EPC Rating
Property Improvements
Changes detected from historical EPC data
Heating controls upgraded for better temperature management
Hot water efficiency decreased
Heating controls changed
Hot water efficiency improved
Cavity wall insulation installed
Loft insulation upgraded to recommended levels
More low energy lighting installed
Planning history
- Dec 2023Garage ConversionFullIn report
Conversion of garage into habitable space with insertion of window and raising of roof
- Reference
- 6/2023/2214/HOUSE
- Jun 2010ExtensionFullIn report
Extension: Front of property
ERECTION OF TWO STOREY FRONT EXTENSION
- Documents
- 10 docs on file
- Reference
- N6/2010/0764/FP
What's in 23 Becket Gardens, Welwyn, AL6 9JE's planning history?
Refusals, disputes and full decisions on this property and nearby, in the report.
Sales history & valuation
Sale price has grown by over 3x since 1998.
£480,000
Modelled from EPC, postcode comparables and a sale-price growth of 5.5% per year over 22 years.
£412,000
Growth on file: 5.5% per year over 22 years.
Sales timeline
30 July 2020Most recent
£412,000
+64.8%over 17 years7 April 2003
£249,950
+100.8%over 5 years30 January 1998
£124,500
Median price across the last 5 sales in AL6 9JE: £420,000 (2025–2024).
Everything we know about 23 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
On habitable rooms, 23 Becket Gardens stands well clear of the street.
Price per m²
£4,162
Street avg £4,681
Floor Area
99 m²
Street avg 97 m²
Habitable Rooms
6 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.