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Get started21 Groundsel Close is a two-bedroom semi-detached house in Walnut Tree, Milton Keynes, Milton Keynes (MK7 7NT). It has a recorded floor area of 51 m² (around 549 sq ft), construction records dating it to 1991-1995 and council tax band B. The latest certificate (April 2016) shows a D (score 61), on the cusp of jumping into the C band. The recommended improvements would lift it to B (score 88), a 2-band jump. The latest certificate is from April 2016, so improvements made since then won't be reflected.
Sale prices here have outpaced Milton Keynes HPI: 8.2% per year against 0% for the wider region. Today's modelled estimate of £295,000 is 22.9% above the 2016 sale price. On a £-per-square-foot basis, the last sale (£437/sq ft) was about 206.2% above the typical sold price in the postcode. 9 years since the last transfer (November 2016). Across the public record there are 6 sales, relatively high churn for a single property. At 51 m² it's 18.2% larger than the typical home in the postcode (43 m² median across 16 EPCs). It lags the bulk of the postcode on energy efficiency (less efficient than 75% of similar EPCs).
Recommended upgrades on file would lift this property by multiple EPC bands.
This certificate is over 10 years old and is no longer valid.Expired 15 Apr 2026
Price for 21 Groundsel Close has grown more than fourfold since the 1995 starting point.
£295,000
Modelled from EPC, postcode comparables and a sale-price growth of 8.2% per year over 21 years.
£240,000
Growth on file: 8.2% per year over 21 years.
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EPC Rating for 21 Groundsel Close lags the street by a wide margin.
Price per m²
£4,706
Street avg £2,921
Floor Area
51 m²
Street avg 49 m²
Habitable Rooms
4 rooms
Crime
3/mo
Steady year-on-year across the wider district.
Nearest stop
0.2 km
Walton High School — bus stop.

Daytime· 07:00 – 23:00
55.4dB

30 November 2016Most recent
£240,000
+43.7%over 9 years8 June 2007
£167,000
+28.5%over 2 years7 January 2005
£130,000
+120.3%over 5 years28 July 1999
£59,000
-1.7%over 1 year7 May 1998
£60,000
+30.4%over 2 years21 December 1995
£45,995
Median price across the last 5 sales in MK7 7NT: £179,995 (2025–2021).
16 Groundsel Close Walnut Tree Milton Keynes
Sold Aug 2025
8 Groundsel Close Walnut Tree Milton Keynes
Sold Jun 2025
10 Groundsel Close Walnut Tree Milton Keynes
Sold Feb 2025
17 Groundsel Close Walnut Tree Milton Keynes
Sold Oct 2022
19 Groundsel Close Walnut Tree Milton Keynes
Sold Apr 2021
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Street avg 3 rooms
CO₂ Emissions
2.8 t/year
Street avg 2.1 t/year
MK7 7EN
Closest school
0.3 km
Walton High. 19 schools nearby.
Night-time· 23:00 – 07:00
44.5dB