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Get started17 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 47 m² (around 506 sq ft), construction records dating it to 1983-1990 and council tax band B. The latest certificate (May 2019) shows a D (score 56), a step below the typical UK home. The rating has held steady at D across 3 certificates since April 2009. Between certificates, window efficiency went from Very Poor to Good, lighting went from Very Poor to Very Good and main heating went from Poor to Average; while roof efficiency dropped from Good to Average. The recommended improvements would lift it to B (score 82), a 2-band jump. Main heating runs on electricity. The home occupies a cul-de-sac position.
Sale prices here have outpaced Milton Keynes HPI: 6.7% per year against 0% for the wider region. On a £-per-square-foot basis, the last sale (£445/sq ft) was about 241.9% above the typical sold price in the postcode. It changed hands recently, sold August 2025 for £225,000. At 47 m² it sits well below the postcode median (68 m² across 23 EPCs), making it one of the more compact homes locally.
Recommended upgrades on file would lift this property by multiple EPC bands.
17 Hartwort Close has more than quadrupled in price since its earliest registered sale in 1997.
£221,000
Modelled from EPC, postcode comparables and a sale-price growth of 6.7% per year over 28 years.
£225,000
Growth on file: 6.7% per year over 28 years.
Everything we know about this property, compiled into one in-depth, downloadable report.
Years Held for 17 Hartwort Close lags the street by a wide margin.
Price per m²
£4,787
Street avg £2,743
Floor Area
47 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
Loft insulation upgraded to recommended levels
More low energy lighting installed
Single glazing replaced with double or better glazing
Are we missing something? Tell us about home improvements to help adjust your valuation.
4 August 2025Most recent
£225,000
+275.0%over 24 years23 March 2001
£60,000
+66.7%over 3 years7 May 1997
£36,000
Median price across the last 5 sales in MK7 7LJ: £230,000 (2023–2018).
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
19 Hartwort Close Walnut Tree Milton Keynes
Sold Apr 2017
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Street avg 3 rooms
CO₂ Emissions
4.7 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