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Get started13 Hartwort Close is a one-bedroom semi-detached house in Walnut Tree, Milton Keynes, Milton Keynes (MK7 7LJ). It has a recorded floor area of 46 m² (around 495 sq ft), construction records dating it to 1983-1990 and council tax band B. The latest certificate (July 2023) shows a C (score 69), just inside the C band. When first surveyed in January 2009 the rating was E, the property has climbed 2 bands since. Between certificates, roof efficiency went from Average to Good, lighting went from Poor to Very Good and main heating went from Poor to Average. The recommended improvements would push it to B (score 89). Main heating runs on electricity.
Untraded for 27 years, with the last transfer in May 1999. Sale prices here have outpaced Milton Keynes HPI: 6.1% per year against 0% for the wider region. Today's modelled estimate of £200,000 sits 344.4% above the 1999 sale of £45,000. On a £-per-square-foot basis, the last sale (£91/sq ft) was about 34.8% below the postcode norm. At 46 m² it sits well below the postcode median (68 m² across 23 EPCs), making it one of the more compact homes locally.
13 Hartwort Close's modelled value sits at over four times its earliest registered sale price (1995).
£200,000
Modelled from EPC, postcode comparables and a sale-price growth of 6.1% per year over 4 years.
£45,000
Growth on file: 6.1% per year over 4 years.
Everything we know about this property, compiled into one in-depth, downloadable report.
Price per m² for 13 Hartwort Close lags the street by a wide margin.
Price per m²
£978
Street avg £2,954
Floor Area
46 m²
Street avg 60 m²
Habitable Rooms
2 rooms
Crime
3/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
Silverweed Court — bus stop.

Daytime· 07:00 – 23:00
55.5dB

Changes detected from historical EPC data
More low energy lighting installed
Loft insulation upgraded to recommended levels
Floor insulation added or improved
More low energy lighting installed
Are we missing something? Tell us about home improvements to help adjust your valuation.
14 May 1999Most recent
£45,000
+25.2%over 3 years26 July 1995
£35,950
Median price across the last 5 sales in MK7 7LJ: £230,000 (2025–2021).
17 Hartwort Close Walnut Tree Milton Keynes
Sold Aug 2025
30 Hartwort Close Walnut Tree Milton Keynes
Sold Oct 2023
28 Hartwort Close Walnut Tree Milton Keynes
Sold Dec 2021
18 Hartwort Close Walnut Tree Milton Keynes
Sold Oct 2021
15 Hartwort Close Walnut Tree Milton Keynes
Sold Jun 2021
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Street avg 3 rooms
CO₂ Emissions
3.3 t/year
Street avg 3.4 t/year
MK7 7LB
Closest school
0.3 km
Walton High. 19 schools nearby.
Night-time· 23:00 – 07:00
44.7dB