1 Cowper Street, Luton, LU1 3RY
About 1 Cowper Street
1 Cowper Street is an end-of-terrace house in Luton (LU1 3RY). It has a recorded floor area of 130 m² (around 1399 sq ft), construction records dating it to 1900-1929 and council tax band B. The latest certificate (August 2026) shows a C (score 69), just inside the C band. When first surveyed in May 2015 the rating was D, the property has climbed 1 band since. Between certificates, wall efficiency went from Very Poor to Poor, roof efficiency went from Very Poor to Average and lighting went from Very Poor to Very Good. The recommended improvements would push it to B (score 81). This certificate was lodged in the last six months, so the rating reflects current condition.
Across 1996–2023, sale prices on this property compounded at 12% per year. Today's modelled estimate of £286,000 is 35.4% below the 2023 sale of £443,000, an unusual pattern given regional price growth and worth checking against the EPC condition. On a £-per-square-foot basis, the last sale (£317/sq ft) was about 78.4% above the typical sold price in the postcode. At 130 m² the property is well over the postcode median (55 m² across 4 EPCs), placing it in the larger end of the local stock. On energy efficiency it sits in the top 10% of properties in this postcode. 8 planning records sit against the property, 5 approved, 2 refused. Past consents include HMO conversion and a loft conversion, meaningful when judging how the property has evolved. Last sale on file: £443,000 in December 2023.
Everything you need to know about 1 Cowper Street
The true value, the hidden risks and the full sale history, in one report.
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Energy performance
1 Cowper Street ranks among the most efficient homes in the postcode for energy use.
EPC Rating
Certificate validity
Valid until 3 August 2036
Property Improvements
Changes detected from historical EPC data
Window efficiency improved
Floor insulation added or improved
More low energy lighting installed
Wall insulation improved
Loft insulation installed or upgraded to 250mm+
Get a survey for this property
Level 3 Building Survey
Because the property was built before 1919 and has solid (non-cavity) walls, we believe a Level 3 building survey should be considered.
From £885 · Includes VAT
Planning history
1 Cowper Street has been through 5 approved planning applications — a well-evolved property.
8 applications on record at 1 Cowper Street, Luton, LU1 3RY
- Oct 2015Loft ConversionOutlineOutcome in report
Certificate of Lawfulness of Proposed Development - Erection of rear dormer window, roof alterations including a hip to gable conversion and roof lights
- Reference
- 15/01263/LAWP
- More recent applications — locked
- ConditionsFeb 2021Decision
- FullAug 2020Decision
+ 5 more applications in the report
Unlock 1 Cowper Street, Luton, LU1 3RY's full planning history
You're seeing the shape of it. The report has the substance.
- Every decision — granted, refused or withdrawn (7 on record)
- All 8 applications on this property in full, plus 26 notable nearby
- The 54 documents, officer reports & conditions
- What the pattern means for extending or converting here
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Sales history & valuation
Latest sale on 1 Cowper Street was the highest on Land Registry record across the postcode.
£286,000
Modelled from EPC, postcode comparables and a sale-price growth of 12.0% per year over 27 years.
£443,000
Growth on file: 12.0% per year over 27 years.
Sales timeline
14 December 2023Most recent
£443,000
+146.1%over 8 years26 August 2015
£180,000
26 August 2015
£180,000
+17.6%over 8 years21 November 2006
£153,000
+20.5%over 3 years9 July 2003
£127,000
+161.9%over 3 years3 August 1999
£48,500
+142.5%over 3 years7 July 1996
£20,000
Median price across the last 5 sales in LU1 3RY: £155,000 (2025–2007).
Everything you need to know about 1 Cowper Street
The true value, the hidden risks and the full sale history, in one report.
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The neighbourhood at a glance
Crime
578/mo
Falling year-on-year across the wider district.
Nearest stop
0.2 km
Chapel Street Nursery — bus stop.
Closest school
0.2 km
Tennyson Road Primary School. 23 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
52.0dB

Night-time· 23:00 – 07:00
41.6dB






