12a, Hyde Lane, Danbury, Chelmsford, CM3 4QX
About 12a
12a is a six-bedroom detached house in Danbury, Chelmsford, Chelmsford (CM3 4QX). It has a recorded floor area of 314 m² (around 3380 sq ft), construction records dating it to 1967-1975 and council tax band G. There is a swimming pool on the plot, uncommon for the area. Records show the property has been extended at some point in its history. The latest certificate (August 2020) shows a C (score 69), just inside the C band. When first surveyed in June 2013 the rating was E, the property has climbed 2 bands since. Between certificates, window efficiency went from Average to Good, hot-water efficiency went from Average to Good and lighting went from Good to Very Good.
At 314 m² the property is well over the postcode median (216 m² across 10 EPCs), placing it in the larger end of the local stock. 6 bedrooms is on the larger side for this postcode, where 4 is the typical count. Across 2018–2021, sale prices on this property compounded at 19.3% per year. Today's modelled estimate of £1,487,000 is 14.4% above the 2021 sale price. On a £-per-square-foot basis, the last sale (£385/sq ft) was about 42.2% above the typical sold price in the postcode. 2 planning records sit against the property, 0 approved, 0 refused. Most recent transfer: February 2021 at £1,300,000. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.
What this property has
Inside
- Bedrooms6
- Bathrooms4
- Dining roomYes
- EnsuiteYes
- StudyYes
Outside
- Private gardenYes
- Swimming poolYes
Building
- Previously extendedYes
- RefurbishedYes
Energy performance
12a's carbon output runs well above what efficient homes in the postcode produce.
EPC Rating
Property Improvements
Changes detected from historical EPC data
Switched from oil to mains gas, reducing emissions and costs
Heating controls upgraded for better temperature management
Hot water efficiency improved
Window efficiency improved
More low energy lighting installed
Get a survey for this property
Level 3 Building Survey
Because the property is a large detached home over 300m², we believe a Level 3 building survey should be considered.
From £1,645 · Includes VAT
Planning history
Planning history includes recorded demolition works, indicating a major rebuild phase at this address.
2 applications on record at 12a, Hyde Lane, Danbury, Chelmsford, CM3 4QX
- Aug 2018PorchFullOutcome in report
Extension: Two storey
Demolition of existing detached garage and single-storey side extension. Two-storey front and side extension. Remodelling of front porch area. Timber effect cladding added to house.
ExtensionDemolition- Documents
- 11 docs on file
- Reference
- 18/01240/FUL
- More recent applications — locked
- Loft ConversionMar 2019Decision
Unlock 12a, Hyde Lane, Danbury, Chelmsford, CM3 4QX's full planning history
You're seeing the shape of it. The report has the substance.
- Every decision — granted, refused or withdrawn
- All 2 applications on this property in full
- The 19 documents, officer reports & conditions
- What the pattern means for extending or converting here
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Sales history & valuation
The latest sale landed in the post-pandemic price surge — useful context when reading the figure.
£1,487,000
Modelled from EPC, postcode comparables and a sale-price growth of 19.3% per year over 3 years.
£1,300,000
Growth on file: 19.3% per year over 3 years.
Sales timeline
19 February 2021Most recent
£1,300,000
+66.7%over 2 years28 March 2018
£780,000
Median price across the last 5 sales in CM3 4QX: £1,050,000 (2024–2020).
Nearby sales in CM3 4QX
10 Hyde Lane, Danbury, Chelmsford, CM3 4QX
Sold Sept 2024
£1,225,0003 Hyde Lane, Danbury, Chelmsford, CM3 4QX
Sold Dec 2023
£1,050,0001 Hyde Lane, Danbury, Chelmsford, CM3 4QX
Sold Jun 2022
£1,850,0001a, Hyde Lane, Danbury, Chelmsford, CM3 4QX
Sold Dec 2020
£910,0004a, Hyde Lane, Danbury, Chelmsford, CM3 4QX
Sold Dec 2020
£830,000
Versus other Hyde Lane homes
Price per m²
£4,140
Street avg £4,019
Floor Area
314 m²
Street avg 236 m²
Habitable Rooms
10 rooms
Street avg 9 rooms
CO₂ Emissions
9.0 t/year
Street avg 7.3 t/year
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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
1/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
Runsell Green — bus stop.
Closest school
1.2 km
St John Church of England Voluntary Controlled Primary School Danbury. 4 schools nearby.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.
Road noise across the postcode

Daytime· 07:00 – 23:00
49.2dB

Night-time· 23:00 – 07:00
40.6dB







