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Get startedTheydon Barn is a detached house in Theydon Mount, Epping, Epping (CM16 7PS). It has a recorded floor area of 83 m² (around 893 sq ft), construction records dating it to 2003-2006 and council tax band H. The latest certificate (March 2023) shows an E (score 46), well below the UK norm with real room to improve. The rating has held steady at E across 2 certificates since March 2023. Between certificates, window efficiency went from Poor to Good; while hot-water efficiency dropped from Poor to Very Poor and main heating dropped from Poor to Very Poor. The recommended improvements would lift it to B (score 83), a 3-band jump. Main heating runs on electricity.
Today's modelled estimate of £1,194,000 is 52.2% below the 2023 sale of £2,500,000, a rare downward gap that often correlates with deferred maintenance or unfinished works. On a £-per-square-foot basis, the last sale (£2,798/sq ft) was about 570% above the typical sold price in the postcode. 20 planning records sit against the property, 13 approved, 5 refused. Past consents include an extension and an annexe, meaningful when judging how the property has evolved. The record references listed-building consent, which constrain future alterations. At 83 m² it sits well below the postcode median (152 m² across 11 EPCs), making it one of the more compact homes locally. Sold May 2023 for £2,500,000.
Recommended upgrades on file would lift this property by multiple EPC bands.
Theydon Barn has been extended on multiple sides of the property across separate planning applications.
Approval of Details Reserved by a Condition 3 Types and Colours of external finishes of EPF/0352/24 (Grade II listed building application for single storey extension to side of existing residential barn conversion (variation of planning and listed building approvals under ref. EPF/1300/20 and ref. EPF/1305/20), changes to bi-fold doors to two casement windows and other internal alterations and replacement of existing casement windows).
Latest sale on Theydon Barn was the highest on Land Registry record across the postcode.
£1,194,000
Modelled from EPC, postcode comparables.
£2,500,000
Recorded with HM Land Registry.
Everything we know about this property, compiled into one in-depth, downloadable report.
Theydon Barn outperforms the street on price per m² by a wide margin.
Price per m²
£30,120
Street avg £4,508
Floor Area
83 m²
Street avg 191 m²
Habitable Rooms
3 rooms
Daytime road noise here sits well below conversation level — a quiet pocket of the postcode.
Crime
4/mo
Steady year-on-year across the wider district.
Nearest stop
1.4 km

Daytime· 07:00 – 23:00
48.3dB

Changes detected from historical EPC data
Heating system changed
Changed to a more efficient fuel source
Heating controls upgraded for better temperature management
Hot water system changed
Windows upgraded, improving insulation
Are we missing something? Tell us about home improvements to help adjust your valuation.
Single storey extension to side of existing residential barn conversion (variation of planning and listed building approvals under ref. EPF/1300/20 and ref. EPF/1305/20), changes to bi-fold doors to two casement windows and other internal alterations and replacement of existing casement windows.
18 more applications for this property
Join to see all planning history.
4 May 2023Most recent
£2,500,000
Median price across the last 5 sales in CM16 7PS: £585,000 (2025–2016).
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Street avg 7 rooms
CO₂ Emissions
4.1 t/year
Street avg 9.5 t/year
CM16 7LT
The Merry Fiddlers — bus stop.
Closest school
2.0 km
Coopersale and Theydon Garnon Church of England Voluntary Controlled Primary School. 1 school nearby.
Night-time· 23:00 – 07:00
41.0dB