14 Avenue Grimaldi, Luton, LU3 1TJ
About 14 Avenue Grimaldi
14 Avenue Grimaldi is a semi-detached house in Luton (LU3 1TJ). It has a recorded floor area of 104 m² (around 1119 sq ft), construction records dating it to 1930-1949 and council tax band C. The latest certificate (June 2015) shows an E (score 48), well below the UK norm with real room to improve. The rating has held steady at E across 2 certificates since August 2014. Between certificates, roof efficiency went from Very Poor to Good and window efficiency went from Poor to Average. The recommended improvements would lift it to B (score 83), a 3-band jump. The latest certificate is from June 2015, so improvements made since then won't be reflected.
Held since December 2004 — that's 22 years off the open market, well above the local norm. Across 1998–2004, sale prices on this property compounded at 21.6% per year. Today's modelled estimate of £341,000 sits 73.1% above the 2004 sale of £197,000. One planning record on file: an extension approved in 2011. Past consents include an extension and a porch, meaningful when judging how the property has evolved.
Know exactly what you're buying at 14 Avenue Grimaldi
Before you offer, see what the listing won't tell you, the true value, the red flags and the full history.
Already flagged here
Valuation
against the asking price
Risks
planning & flood
Sold prices
similar homes nearby
Trends
the local market
Energy performance
14 Avenue Grimaldi's carbon output runs well above what efficient homes in the postcode produce.
EPC Expired
This certificate is over 10 years old and is no longer valid.Expired 27 Jun 2025
EPC Rating
Property Improvements
Changes detected from historical EPC data
Heating controls changed
Windows upgraded, improving insulation
Loft insulation installed or upgraded to 250mm+
Planning history
- Feb 2011PorchFullIn report
Extension: Part single, part two storey
Erection of two storey side extension, single and two storey rear extension, rear dormer window and front canopy.
Extension- Reference
- 10/01296/FUL
We flagged 2 things worth checking at 14 Avenue Grimaldi
Independent checks surfaced things a buyer would want to understand before offering. The report explains each one in full, with the underlying data and what to ask.
- Signs of HMO activity in the area
- Larger development activity nearby
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Sales history & valuation
14 Avenue Grimaldi has more than tripled in price since its earliest registered sale in 1998.
£341,000
Modelled from EPC, postcode comparables and a sale-price growth of 21.6% per year over 6 years.
£197,000
Growth on file: 21.6% per year over 6 years.
Sales timeline
1 December 2004Most recent
£197,000
+245.6%over 6 years30 July 1998
£57,000
Median price across the last 5 sales in LU3 1TJ: £341,500 (2025–2022).
Everything we know about 14 Avenue Grimaldi, in one report
What it's really worth, what could be wrong, and the planning, sales and area data in full.
What we flagged
- Signs of HMO activity in the area
- Larger development activity nearby

Versus other Avenue Grimaldi homes
CO₂ Emissions for 14 Avenue Grimaldi lags the street by a wide margin.
Price per m²
£1,894
Street avg £2,119
Floor Area
104 m²
Street avg 100 m²
Habitable Rooms
5 rooms
Street avg 5 rooms
CO₂ Emissions
7.0 t/year
Street avg 5.6 t/year
Similar properties nearby
The neighbourhood at a glance
Reported crime in the wider district is trending notably upward year-on-year.
Crime
6/mo
Rising year-on-year across the wider district.
Nearest stop
0.1 km
Avenue Grimaldi — bus stop.
Closest school
0.4 km
St Joseph's Catholic Primary School. 39 schools nearby.
Go deeper on the local area
The full report breaks down crime, transport links, schools and air quality in depth.
Road noise across the postcode

Daytime· 07:00 – 23:00
51.0dB

Night-time· 23:00 – 07:00
41.3dB