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Get started18 Newtons Walk is a four-bedroom detached house in Baydon, Marlborough, Marlborough (SN8 2FF). It has a recorded floor area of 170 m² (around 1830 sq ft), construction records dating it to 2007-2011 and council tax band F. The latest certificate (May 2024) shows a C (score 79), near the top of the C band. Earlier certificates rated it B (July 2010); the latest reading is one band lower. Between certificates, lighting went from Average to Very Good; while wall efficiency dropped from Very Good to Good and roof efficiency dropped from Very Good to Good. The recommended improvements would push it to B (score 86).
Sale prices here have outpaced England HPI: 3.1% per year against 0.1% for the wider region. On a £-per-square-foot basis, the last sale (£383/sq ft) was about 45.7% above the typical sold price in the postcode. At 170 m² the property is well over the postcode median (123 m² across 23 EPCs), placing it in the larger end of the local stock. Most recent transfer was August 2025 at £700,000 — fresh data. One planning record on file: an extension approved in 2017. Past consents include an extension, meaningful when judging how the property has evolved.
18 Newtons Walk has an approved single-storey rear extension on the planning record.
Extension: Single storey · Rear of property
Rear single storey extension
Latest sale on 18 Newtons Walk was the highest on Land Registry record across the postcode.
£663,000
Modelled from EPC, postcode comparables and a sale-price growth of 3.1% per year over 15 years.
£700,000
Growth on file: 3.1% per year over 15 years.
Everything we know about this property, compiled into one in-depth, downloadable report.
Years Held for 18 Newtons Walk lags the street by a wide margin.
Price per m²
£4,118
Street avg £3,271
Floor Area
170 m²
Street avg 113 m²
Habitable Rooms
7 rooms
Daytime road noise here sits well below conversation level — a quiet pocket of the postcode.
Crime
2/mo
Steady year-on-year across the wider district.
Nearest stop
0.3 km

Daytime· 07:00 – 23:00
45.8dB

1 August 2025Most recent
£700,000
+55.6%over 14 years20 December 2010
£450,000
Median price across the last 5 sales in SN8 2FF: £475,000 (2024–2021).
7 Newtons Walk Aldbourne Road Baydon Marlborough
Sold Mar 2024
21 Newtons Walk Aldbourne Road Baydon Marlborough
Sold Nov 2023
3 Newtons Walk Aldbourne Road Baydon Marlborough
Sold Mar 2022
8 Newtons Walk Aldbourne Road Baydon Marlborough
Sold Dec 2021
1 Newtons Walk Aldbourne Road Baydon Marlborough
Sold Apr 2021
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Street avg 6 rooms
CO₂ Emissions
3.5 t/year
Street avg 2.3 t/year
SN8 2FA
Downsmead — bus stop.
Closest school
0.5 km
Baydon St Nicholas Church of England Primary School. 2 schools nearby.
Night-time· 23:00 – 07:00
38.2dB