12 Duke Street is a two-bedroom semi-detached house in Aspley Guise, Milton Keynes, Milton Keynes (MK17 8EF). It has a recorded floor area of 46 m² (around 495 sq ft), construction records dating it to 1900-1929 and council tax band C. The latest certificate (March 2020) shows a D (score 60), on the cusp of jumping into the C band. When first surveyed in February 2010 the rating was E, the property has climbed 1 band since. Between certificates, hot-water efficiency went from Poor to Good, lighting went from Poor to Very Good and main heating went from Average to Good; while window efficiency dropped from Good to Average. The recommended improvements would lift it to B (score 88), a 2-band jump.
Untraded for 19 years, with the last transfer in June 2007. That sale landed at the peak of the pre-credit-crunch market, which is a useful reference point when interpreting the price. Sale prices here have outpaced Milton Keynes HPI: 10.5% per year against 0% for the wider region. Today's modelled estimate of £309,000 sits 71.7% above the 2007 sale of £180,000. On a £-per-square-foot basis, the last sale (£364/sq ft) was about 28% above the typical sold price in the postcode. At 46 m² it sits well below the postcode median (71 m² across 11 EPCs), making it one of the more compact homes locally.
Before you offer, see what the listing won't tell you, the true value, the red flags and the full history.
Already flagged here
Launch offer · save £5
Recommended upgrades on file would lift this property by multiple EPC bands.
12 Duke Street has no planning applications on record.
Notable planning nearby
8applications of note in the surrounding area
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.
Sale price has grown by over 3x since 1996.
£309,000
Modelled from EPC, postcode comparables and a sale-price growth of 10.5% per year over 11 years.
£180,000
Growth on file: 10.5% per year over 11 years.
What it's really worth, what could be wrong, and the planning, sales and area data in full.
What we flagged
12 Duke Street is notably below the street on floor area.
Price per m²
£3,913
Street avg £4,293
Floor Area
46 m²
Street avg 81 m²
Habitable Rooms
4 rooms
Street avg 4 rooms
Daytime road noise here sits well below conversation level — a quiet pocket of the postcode.
Crime
5/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km

Daytime· 07:00 – 23:00
44.7dB

Valuation
against the asking price
Risks
planning & flood
Sold prices
similar homes nearby
Trends
the local market
Changes detected from historical EPC data
Hot water system upgraded
Roof insulation improved
More low energy lighting installed
30-day money-back guarantee
29 June 2007Most recent
£180,000
+181.3%over 10 years9 May 1997
£64,000
+6.7%over 11 months10 June 1996
£60,000
Median price across the last 5 sales in MK17 8EF: £372,500 (2025–2023).
20 Duke Street Aspley Guise Milton Keynes
Sold Jul 2025
6 Duke Street Aspley Guise Milton Keynes
Sold Sept 2024
28 Duke Street Aspley Guise Milton Keynes
Sold May 2024
16 Duke Street Aspley Guise Milton Keynes
Sold May 2024
2a Duke Street Aspley Guise Milton Keynes
Sold Oct 2023

CO₂ Emissions
2.8 t/year
Street avg 5.0 t/year
MK17 8TE
Duke Street — bus stop.
Closest school
0.9 km
Fulbrook School. 8 schools nearby.
Go deeper on the local area
The full report breaks down crime, transport links, schools and air quality in depth.
Night-time· 23:00 – 07:00
36.3dB