21a, Mill Street, Luton, LU1 2NA
About 21a
21a is a mid-terrace house in Luton (LU1 2NA). It has a recorded floor area of 50 m² (around 538 sq ft), construction records dating it to 1900-1929 and council tax band A. The latest certificate (February 2021) shows a D (score 68), on the cusp of jumping into the C band. When first surveyed in June 2011 the rating was E, the property has climbed 1 band since. Between certificates, window efficiency went from Poor to Good. The recommended improvements would push it to C (score 70). At 50 m² this is the 36th smallest of 68 units on EPC record in the building, where floor areas span 22–75 m². The building's EPC ratings span E to B across 68 units on file.
9 planning records sit against the property, 6 approved, 2 refused. Past consents include a loft conversion, meaningful when judging how the property has evolved.
Everything you need to know about 21a
The true value, the hidden risks and the full sale history, in one report.
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Energy performance
EPC Rating
Certificate validity
Valid until 17 February 2031
Property Improvements
Changes detected from historical EPC data
Windows upgraded, improving insulation
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 £820 · Includes VAT
Planning history
21a has been through 6 approved planning applications — a well-evolved property.
9 applications on record at 21a, Mill Street, Luton, LU1 2NA
- Sept 2002New BuildFullOutcome in report
Erection of a 5 storey building to provide offices at ground floor with 20 one bedroom flats above.
- Reference
- 02/00111/FUL
- More recent applications — locked
- ConditionsJul 2010Decision
- New BuildMar 2007Decision
+ 6 more applications in the report
Unlock 21a, Mill Street, Luton, LU1 2NA's full planning history
You're seeing the shape of it. The report has the substance.
- Every decision — granted, refused or withdrawn (9 on record)
- All 9 applications on this property in full, plus 15 notable nearby
- The 1 documents, officer reports & conditions
- What the pattern means for extending or converting here
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Sales history & valuation
21a has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£141,000
Modelled from EPC, postcode comparables.
No sales recorded with HM Land Registry
That can mean the property has never traded since the registry began publishing in 1995, was a new build that hasn't been registered yet, or is held in the same hands long-term.
Median price across the last 5 sales in LU1 2NA: £130,000 (2025–2023).
Nearby sales in LU1 2NA
1 Mill Street, Luton, LU1 2NA
Sold Nov 2025
£3,120,000Langham House, Flat 5, Mill Street, Luton, LU1 2NA
Sold Sept 2025
£130,000Langham House West, Flat H, Mill Street, Luton, LU1 2NA
Sold Sept 2025
£167,000Langham House, Flat 4, Mill Street, Luton, LU1 2NA
Sold Nov 2023
£124,000Langham House, Flat 14, Mill Street, Luton, LU1 2NA
Sold Sept 2023
£125,700
Versus other Mill Street homes
On habitable rooms, 21a runs well behind the street norm.
EPC Rating
68 (D)
Street avg 70 (C)
Floor Area
50 m²
Street avg 51 m²
CO₂ Emissions
2.3 t/year
Street avg 2.3 t/year
Habitable Rooms
2 rooms
Street avg 3 rooms
Everything you need to know about 21a
The true value, the hidden risks and the full sale history, in one report.
Pick your report · from £14.99
One time fee only - money back guarantee

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The neighbourhood at a glance
Rail-style transport is unusually close for this postcode.
Crime
578/mo
Falling year-on-year across the wider district.
Nearest stop
0.1 km
Railway Bridge — bus stop.
Closest school
0.7 km
St Matthew's Primary School. 37 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
55.4dB

Night-time· 23:00 – 07:00
44.7dB






