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Get started17 Groundsel Close is a three-bedroom semi-detached house in Walnut Tree, Milton Keynes, Milton Keynes (MK7 7NT). It has a recorded floor area of 64 m² (around 689 sq ft), construction records dating it to 1996-2002 and council tax band C. The latest certificate (September 2018) shows a C (score 73). The recommended improvements would push it to B (score 87). The home occupies a cul-de-sac position.
Sale prices here have outpaced Milton Keynes HPI: 6.5% per year against 0% for the wider region. On a £-per-square-foot basis, the last sale (£451/sq ft) was about 208.3% above the typical sold price in the postcode. At 64 m² the property is well over the postcode median (43 m² across 16 EPCs), placing it in the larger end of the local stock. 2 planning records sit against the property, 1 approved, 1 refused. Past consents include an extension, meaningful when judging how the property has evolved. Last sale on file: £311,000 in October 2022. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.
A a part-single-part-two-storey extension application was refused at 17 Groundsel Close in 2023.
Extension: Part single, part two storey · Side and rear of property
The erection of a single storey rear and two storey side extension (resubmission of application ref. 22/03089/HOU)
Latest sale on 17 Groundsel Close was the highest on Land Registry record across the postcode.
£331,000
Modelled from EPC, postcode comparables and a sale-price growth of 6.5% per year over 24 years.
£311,000
Growth on file: 6.5% per year over 24 years.
Everything we know about this property, compiled into one in-depth, downloadable report.
On price per m², 17 Groundsel Close stands well clear of the street.
Price per m²
£4,859
Street avg £2,911
Floor Area
64 m²
Street avg 48 m²
Habitable Rooms
5 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

Extension: Part single, part two storey
Erection of a single storey, part two storey rear extension and two storey side extension
19 October 2022Most recent
£311,000
+234.4%over 21 years19 July 2001
£93,000
+38.8%over 2 years6 August 1998
£66,995
Median price across the last 5 sales in MK7 7NT: £175,000 (2025–2018).
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
19 Groundsel Close Walnut Tree Milton Keynes
Sold Apr 2021
13 Groundsel Close Walnut Tree Milton Keynes
Sold Feb 2018
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Full planning history
Every application and decision on record
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Street avg 3 rooms
CO₂ Emissions
2.1 t/year
Street avg 2.1 t/year
MK7 7BJ
Closest school
0.3 km
Walton High. 19 schools nearby.
Night-time· 23:00 – 07:00
44.5dB