17 Cox Ley, Hatfield Heath, Bishop's Stortford, CM22 7ER
About 17 Cox Ley
17 Cox Ley is a three-bedroom semi-detached house in Bishop's Stortford (CM22 7ER). It has a recorded floor area of 84 m² (around 904 sq ft), construction records dating it to 1967-1975 and council tax band E. The latest certificate (January 2021) shows a C (score 74). When first surveyed in February 2020 the rating was D, the property has climbed 1 band since. Between certificates, roof efficiency went from Good to Very Good, window efficiency went from Average to Good and hot-water efficiency went from Average to Good. The recommended improvements would push it to B (score 86).
At 84 m² it sits well below the postcode median (133 m² across 13 EPCs), making it one of the more compact homes locally. One planning record on file: an extension approved in 2023. Past consents include an extension, meaningful when judging how the property has evolved. Across 2020–2021, sale prices on this property compounded at 24% per year. Today's modelled estimate of £553,000 is 15.8% above the 2021 sale price. On a £-per-square-foot basis, the last sale (£528/sq ft) was about 101.4% above the typical sold price in the postcode. Most recent transfer: March 2021 at £477,500. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.
Know exactly what you're buying at 17 Cox Ley
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
- Bathrooms1
Energy performance
EPC Rating
Property Improvements
Changes detected from historical EPC data
Heating controls upgraded for better temperature management
Hot water efficiency improved
Window efficiency improved
Roof insulation improved
Floor insulation added or improved
Planning history
17 Cox Ley has an approved side and rear extension on the planning record.
- Aug 2023ExtensionFullIn report
Extension: Side and rear of property
Proposed single storey rear extension, two storey side extension and single storey front extension.
- Agent
- Mark Homer Design
- Documents
- 13 docs on file
- Reference
- UTT/23/1266/HHF
We flagged 2 things worth checking at 17 Cox Ley
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
- Recent ownership pattern worth a look
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Sales history & valuation
17 Cox Ley changed hands twice within eighteen months — unusual for the area.
£553,000
Modelled from EPC, postcode comparables and a sale-price growth of 24.0% per year over 1 year.
£477,500
Growth on file: 24.0% per year over 1 year.
Sales timeline
13 March 2021Most recent
£477,500
+24.0%over 8 months2 July 2020
£385,000
Median price across the last 5 sales in CM22 7ER: £475,000 (2021–2016).
Nearby sales in CM22 7ER
10 Cox Ley, Hatfield Heath, Bishop's Stortford, CM22 7ER
Sold Aug 2021
£475,0005 Cox Ley, Hatfield Heath, Bishop's Stortford, CM22 7ER
Sold Sept 2020
£447,50030 Cox Ley, Hatfield Heath, Bishop's Stortford, CM22 7ER
Sold Jul 2019
£512,00019 Cox Ley, Hatfield Heath, Bishop's Stortford, CM22 7ER
Sold Aug 2016
£495,00022 Cox Ley, Hatfield Heath, Bishop's Stortford, CM22 7ER
Sold Sept 2015
£500,000
Everything we know about 17 Cox Ley, 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
- Recent ownership pattern worth a look

Versus other Cox Ley homes
17 Cox Ley outperforms the street on epc rating by a wide margin.
Price per m²
£5,685
Street avg £3,468
Floor Area
84 m²
Street avg 137 m²
Habitable Rooms
4 rooms
Street avg 6 rooms
CO₂ Emissions
2.5 t/year
Street avg 5.7 t/year
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1 Cherrytree Cottages, The Street, Sheering
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The neighbourhood at a glance
Daytime road noise here sits well below conversation level — a quiet pocket of the postcode.
Crime
2/mo
Steady year-on-year across the wider district.
Nearest stop
0.3 km
The Thatchers — bus stop.
Closest school
0.2 km
Hatfield Heath Primary School. 4 schools nearby.
Go deeper on the local area
The full report breaks down crime, transport links, schools and air quality in depth.
Road noise across the postcode

Daytime· 07:00 – 23:00
48.2dB

Night-time· 23:00 – 07:00
40.9dB