20 Ayot Green, Ayot St Peter, Welwyn, AL6 9AB
About 20 Ayot Green
20 Ayot Green is a three-bedroom detached house in Ayot St. Peter, Welwyn, Welwyn (AL6 9AB). It has a recorded floor area of 129 m² (around 1389 sq ft), construction records dating it to before 1900 and council tax band G. The latest certificate (October 2018) shows an E (score 41), well below the UK norm with real room to improve. When first surveyed in March 2013 the rating was F, the property has climbed 1 band since. Between certificates, roof efficiency went from Very Poor to Average and lighting went from Poor to Average. The recommended improvements would lift it to B (score 89), a 3-band jump. Main heating runs on oil.
At 129 m² it sits well below the postcode median (200 m² across 13 EPCs), making it one of the more compact homes locally. 7 planning records sit against the property, 2 approved, 5 refused. Past consents include an extension, meaningful when judging how the property has evolved. Today's modelled estimate of £1,063,000 is 36.3% above the 2012 sale price. On a £-per-square-foot basis, the last sale (£562/sq ft) was about 36.2% above the typical sold price in the postcode. 14 years since the last transfer (June 2012).
Know exactly what you're buying at 20 Ayot Green
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
- Bedrooms3
- Bathrooms2
Energy performance
20 Ayot Green'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
Planning history
A recent planning application at 20 Ayot Green was refused — worth checking the council file.
- Oct 2022Change Of UseFullIn report
Change of use of garage annexe for short term rental
- Reference
- 6/2022/1810/FULL
- Dec 2013Tree WorksTreesIn report
Reduce Horse Chestnut tree by 25%
- Documents
- 1 doc on file
- Reference
- N6/2013/2388/TC
We flagged 1 thing worth checking at 20 Ayot Green
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.
- A planning decision worth checking
30-day money-back guarantee
Sales history & valuation
£1,063,000
Modelled from EPC, postcode comparables.
£780,000
Recorded with HM Land Registry.
Sales timeline
14 June 2012Most recent
£780,000
Median price across the last 5 sales in AL6 9AB: £1,097,000 (2024–2014).
Nearby sales in AL6 9AB
7 9, Ayot Green, Ayot St Peter, Welwyn, AL6 9AB
Sold Sept 2024
£1,638,00039 Ayot Green, Ayot St Peter, Welwyn, AL6 9AB
Sold Nov 2020
£1,160,00031 33, Ayot Green, Ayot St Peter, Welwyn, AL6 9AB
Sold Apr 2018
£965,50022 Ayot Green, Ayot St Peter, Welwyn, AL6 9AB
Sold Jul 2014
£1,097,00026 Ayot Green, Ayot St Peter, Welwyn, AL6 9AB
Sold Feb 2014
£760,000
Everything we know about 20 Ayot Green, in one report
What it's really worth, what could be wrong, and the planning, sales and area data in full.
What we flagged
- A planning decision worth checking

Versus other Ayot Green homes
On floor area, 20 Ayot Green runs well behind the street norm.
Price per m²
£6,047
Street avg £4,952
Floor Area
129 m²
Street avg 192 m²
Habitable Rooms
6 rooms
Street avg 7 rooms
CO₂ Emissions
9.1 t/year
Street avg 11.2 t/year
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The neighbourhood at a glance
Crime
2/mo
Steady year-on-year across the wider district.
Nearest stop
0.2 km
Red Lion PH — bus stop.
Closest school
1.4 km
Templewood Primary School. 10 schools nearby.
Go deeper on the local area
The full report breaks down crime, transport links, schools and air quality in depth.