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Get started18 Piercing Hill is a four-bedroom semi-detached house in Theydon Bois, Epping, Epping (CM16 7JN). It has a recorded floor area of 135 m² (around 1453 sq ft), construction records dating it to 1930-1949 and council tax band F. The latest certificate (February 2019) shows a D (score 57), a step below the typical UK home. When first surveyed in June 2011 the rating was E, the property has climbed 1 band since. Between certificates, roof efficiency went from Poor to Very Good and lighting went from Average to Good. The recommended improvements would push it to C (score 80). Our model identifies extension potential, subject to local planning policy.
Sale prices here have outpaced England HPI: 5.7% per year against 0% for the wider region. Today's modelled estimate of £958,000 is 22% above the 2020 sale price. On a £-per-square-foot basis, the last sale (£540/sq ft) was about 54.1% above the typical sold price in the postcode. 2 planning records sit against the property, 2 approved, 0 refused. Past consents include an extension, meaningful when judging how the property has evolved. At 135 m² it's 22% smaller than the typical home in the postcode (173 m² median across 14 EPCs). Sold March 2020 for £785,000.
18 Piercing Hill's carbon output runs well above what efficient homes in the postcode produce.
Extension: Two storey
Two storey side extension, single storey rear extension (replacing existing detached garage).
Sale price has at least doubled since 2000.
£958,000
Modelled from EPC, postcode comparables and a sale-price growth of 5.7% per year over 19 years.
£785,000
Growth on file: 5.7% per year over 19 years.
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Detailed AI analysis
Floor Area for 18 Piercing Hill lags the street by a wide margin.
Price per m²
£5,815
Street avg £5,124
Floor Area
135 m²
Street avg 211 m²
Habitable Rooms
7 rooms
Street avg 7 rooms
Rail-style transport is unusually close for this postcode.
Crime
4/mo
Steady year-on-year across the wider district.
Nearest stop
0.0 km
Morgan Crescent — bus stop.

Daytime· 07:00 – 23:00
46.9dB

Changes detected from historical EPC data
Loft insulation upgraded to recommended levels
More low energy lighting installed
Are we missing something? Tell us about home improvements to help adjust your valuation.
Two storey side extension, single storey rear extension (replacing existing detached garage), raised patio to rear and 2m high fence to boundary to side/front boundary.
13 March 2020Most recent
£785,000
+44.0%over 8 years9 December 2011
£545,000
+103.4%over 11 years5 October 2000
£267,950
Median price across the last 5 sales in CM16 7JN: £1,385,000 (2025–2021).
An AI-written breakdown of everything that matters
Detailed EPC data
Full energy ratings, history and recommendations
Related properties
Comparable homes and street-level pricing
Full planning history
Every application and decision on record
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CO₂ Emissions
7.0 t/year
Street avg 8.2 t/year
CM16 7JB
Closest school
0.4 km
Theydon Bois Primary School. 8 schools nearby.
Night-time· 23:00 – 07:00
38.8dB