Garnetts Farm, Mashbury Road, Great Waltham, Chelmsford, CM3 1EG
About Garnetts Farm
Garnetts Farm is a detached house in Great Waltham, Chelmsford, Chelmsford (CM3 1EG). It has a recorded floor area of 195 m² (around 2099 sq ft) and construction records dating it to before 1900. The latest certificate (July 2022) shows an E (score 39), well below the UK norm with real room to improve. The recommended improvements would lift it to C (score 76), a 2-band jump. Main heating runs on oil.
Across 2002–2022, sale prices on this property compounded at 5.6% per year. Today's modelled estimate of £872,000 is 21.1% below the 2022 sale of £1,105,000, an unusual pattern given regional price growth and worth checking against the EPC condition. At 195 m² the property is well over the postcode median (75 m² across 5 EPCs), placing it in the larger end of the local stock. 17 planning records sit against the property, 0 approved, 0 refused. Sold September 2022 for £1,105,000. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.
Energy performance
Garnetts Farm's carbon output runs well above what efficient homes in the postcode produce.
EPC Rating
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Level 3 Building Survey
Because the property was built before 1919 and has no mains gas supply, we believe a Level 3 building survey should be considered.
From £1,360 · Includes VAT
Planning history
Planning history includes recorded demolition works, indicating a major rebuild phase at this address.
17 applications on record at Garnetts Farm, Mashbury Road, Great Waltham, Chelmsford, CM3 1EG
4 live now- Jan 2003AnnexFullOutcome in report
Extension: Rear of property
Two-storey rear extension to main house; conversion of single storey outbuildings to Granny Annexe; office ancillary to main residential use and overhaul and make good fabric of barn.
Extension- Documents
- 6 docs on file
- Reference
- 02/02197/FUL
- More recent applications — locked
- AnnexFeb 2026Decision
- AnnexFeb 2026Decision
+ 14 more applications in the report
Unlock Garnetts Farm, Mashbury Road, Great Waltham, Chelmsford, CM3 1EG's full planning history
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- Every decision — granted, refused or withdrawn
- All 17 applications on this property in full, plus 1 notable nearby
- The 140 documents, officer reports & conditions
- What the pattern means for extending or converting here
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Sales history & valuation
Sale price has grown by over 3x since 2002.
£872,000
Modelled from EPC, postcode comparables and a sale-price growth of 5.6% per year over 20 years.
£1,105,000
Growth on file: 5.6% per year over 20 years.
Sales timeline
22 September 2022Most recent
£1,105,000
+206.9%over 20 years25 April 2002
£360,000
Median price across the last 1 sales in CM3 1EG: £70,000 (2002–2002).
Nearby sales in CM3 1EG
Versus other Mashbury Road homes
EPC Rating for Garnetts Farm lags the street by a wide margin.
EPC Rating
39 (E)
Street avg 57 (D)
Floor Area
195 m²
Street avg 103 m²
CO₂ Emissions
13.0 t/year
Street avg 4.3 t/year
Habitable Rooms
5 rooms
Street avg 4 rooms
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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
1.5 km
Memorial — bus stop.
Closest school
1.4 km
Great Waltham Church of England Voluntary Controlled Primary School. 2 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
41.9dB

Night-time· 23:00 – 07:00
35.5dB







