6 North Twelfth Street, Milton Keynes, MK9 3BT
About 6 North Twelfth Street
6 North Twelfth Street is a semi-detached house in Milton Keynes (MK9 3BT). It has a recorded floor area of 48 m² (around 517 sq ft), construction records dating it to 1967-1975 and council tax band A. At 48 m² this is the 2nd smallest of 29 units on EPC record in the building, where floor areas span 46–125 m². The building's EPC ratings span E to C, with this unit at the top. The latest certificate (March 2020) shows a C (score 74). The rating has held steady at C across 2 certificates since January 2010. Between certificates, window efficiency went from Very Poor to Good, hot-water efficiency went from Average to Good and lighting went from Average to Very Good; while wall efficiency dropped from Average to Poor.
At 48 m² it sits well below the postcode median (105 m² across 28 EPCs), making it one of the more compact homes locally. Today's modelled estimate of £145,000 is 27.8% above the 2014 sale price. On a £-per-square-foot basis, the last sale (£220/sq ft) was about 50.8% above the typical sold price in the postcode. Last changed hands 11 years ago, in December 2014.
Energy performance
EPC Rating
Property Improvements
Changes detected from historical EPC data
Heating controls upgraded for better temperature management
Hot water efficiency improved
Single glazing replaced with double or better glazing
More low energy lighting installed
Get a survey for this property
Level 2 HomeBuyer Report
We've checked 10 risk factors against the available data for this property and believe a Level 2 HomeBuyer Report could be a suitable option for you.
From £495 · Includes VAT
Planning history
6 North Twelfth Street has no planning applications on record.
But the area is active
1 notable application nearby — larger schemes and conversions that could reshape the street. The report maps them all.
Sales history & valuation
6 North Twelfth Street's sale-price growth has lagged the wider UK trajectory across its history on file.
£145,000
Modelled from EPC, postcode comparables and a sale-price growth of 0.5% per year over 11 years.
£113,500
Growth on file: 0.5% per year over 11 years.
Sales timeline
19 December 2014Most recent
£113,500
+5.1%over 10 years17 June 2004
£108,000
Median price across the last 5 sales in MK9 3BT: £300,000 (2024–2020).
Nearby sales in MK9 3BT
56 North Twelfth Street, Milton Keynes, MK9 3BT
Sold Oct 2024
£351,0004 North Twelfth Street, Milton Keynes, MK9 3BT
Sold Feb 2023
£170,00010 North Twelfth Street, Milton Keynes, MK9 3BT
Sold Jun 2022
£155,00032 North Twelfth Street, Milton Keynes, MK9 3BT
Sold Jun 2021
£1,500,00028 North Twelfth Street, Milton Keynes, MK9 3BT
Sold Dec 2020
£300,000
Versus other North Twelfth Street homes
6 North Twelfth Street is notably below the street on floor area.
Price per m²
£2,365
Street avg £2,556
Floor Area
48 m²
Street avg 60 m²
Habitable Rooms
2 rooms
Street avg 3 rooms
CO₂ Emissions
1.7 t/year
Street avg 2.3 t/year
Similar properties nearby
1 North Eleventh Street
MK9 3BU
105 North Ninth Street
MK9 3AW
10 North Twelfth Street
MK9 3BT
10 North Thirteenth Street
MK9 3BP
106 North Tenth Street
MK9 3AY
100 North Tenth Street
MK9 3AX
103 North Ninth Street
MK9 3AW
107 North Ninth Street
MK9 3AW
The neighbourhood at a glance
Reported crime in the wider district is trending notably upward year-on-year.
Crime
13/mo
Rising year-on-year across the wider district.
Nearest stop
0.3 km
Theatre District — bus stop.
Closest school
0.6 km
Southwood School. 28 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
56.1dB

Night-time· 23:00 – 07:00
45.2dB







