48 Third Avenue, Chelmsford, CM1 4EY
About 48 Third Avenue
48 Third Avenue is a three-bedroom semi-detached house in Chelmsford (CM1 4EY). It has a recorded floor area of 99 m² (around 1066 sq ft), construction records dating it to 1930-1949 and council tax band D. The latest certificate (June 2025) shows a D (score 66), on the cusp of jumping into the C band. The rating has held steady at D across 3 certificates since October 2010. Between certificates, window efficiency dropped from Good to Average. The recommended improvements would lift it to B (score 86), a 2-band jump. Other recorded features include a conservatory. It has already been extended once and our model flags further extension potential, a sign of buyer flexibility.
At 99 m² the property is well over the postcode median (71 m² across 25 EPCs), placing it in the larger end of the local stock. A recent sale: £550,000 in June 2025. Across 1999–2025, sale prices on this property compounded at 5.5% per year. On a £-per-square-foot basis, the last sale (£516/sq ft) was about 59.4% above the typical sold price in the postcode. 2 planning records sit against the property, 0 approved, 0 refused.
What this property has
Inside
- Bedrooms3
- Bathrooms2
- Dining roomYes
- Utility roomYes
- EnsuiteYes
- ConservatoryYes
Outside
- GarageYes
Building
- Previously extendedYes
- Extension potentialPossible
Energy performance
Recommended upgrades on file would lift this property by multiple EPC bands.
EPC Rating
Property Improvements
Changes detected from historical EPC data
Heating controls changed
Loft insulation upgraded to recommended levels
More low energy lighting installed
Low energy lighting percentage decreased
Get a survey for this property
Level 3 Building Survey
Because the property has been extended more than once and has solid (non-cavity) walls, we believe a Level 3 building survey should be considered.
From £1,085 · Includes VAT
Planning history
Planning history includes both a loft conversion and an extension — the classic family-home expansion.
2 applications on record at 48 Third Avenue, Chelmsford, CM1 4EY
- Aug 2013ConservatoryFullOutcome in report
Construction of a conservatory
Extension- Documents
- 10 docs on file
- Reference
- 13/00967/FUL
- More recent applications — locked
- Loft ConversionApr 2015Decision
Unlock 48 Third Avenue, Chelmsford, CM1 4EY'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- Every decision — granted, refused or withdrawn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, plus 2 notable nearby
- The 21 documents, officer reports & conditions
- What the pattern means for extending or converting here
One time fee only - money back guarantee
Sales history & valuation
48 Third Avenue has more than quadrupled in price since its earliest registered sale in 1999.
£572,000
Modelled from EPC, postcode comparables and a sale-price growth of 5.5% per year over 26 years.
£550,000
Growth on file: 5.5% per year over 26 years.
Sales timeline
26 June 2025Most recent
£550,000
+72.7%over 14 years15 February 2011
£318,500
+27.4%over 7 years21 March 2003
£250,000
+82.5%over 3 years31 August 1999
£136,950
Median price across the last 5 sales in CM1 4EY: £290,000 (2025–2022).
Nearby sales in CM1 4EY
Versus other Third Avenue homes
On years held, 48 Third Avenue runs well behind the street norm.
Price per m²
£5,556
Street avg £4,576
Floor Area
99 m²
Street avg 100 m²
Habitable Rooms
5 rooms
Street avg 6 rooms
CO₂ Emissions
3.9 t/year
Street avg 4.4 t/year
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The neighbourhood at a glance
Reported crime in the wider district is trending notably upward year-on-year.
Crime
8/mo
Rising year-on-year across the wider district.
Nearest stop
0.3 km
The Drive — bus stop.
Closest school
0.5 km
Chelmsford County High School for Girls. 27 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
53.3dB

Night-time· 23:00 – 07:00
44.3dB







