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
Certificate validity
Valid until 2 June 2035
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.
£579,000
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
Crime
420/mo
Steady 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







