20a is a five-bedroom detached house in Great Horwood, Milton Keynes, Milton Keynes (MK17 0RA). It has a recorded floor area of 103 m² (around 1109 sq ft), construction records dating it to 1991-1995 and council tax band D. The latest certificate (May 2014) shows a D (score 58), a step below the typical UK home. The recommended improvements would lift it to B (score 81), a 2-band jump. Main heating runs on oil. The latest certificate is from May 2014, so improvements made since then won't be reflected.
Sale prices here have outpaced Milton Keynes HPI: 6.4% per year against 0% for the wider region. Today's modelled estimate of £789,000 is 17.3% above the 2016 sale price. On a £-per-square-foot basis, the last sale (£607/sq ft) was about 143% above the typical sold price in the postcode. 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 changed hands 9 years ago, in December 2016. At 103 m² it's 29.5% smaller than the typical home in the postcode (146 m² median across 25 EPCs).
Before you offer, see what the listing won't tell you, the true value, the red flags and the full history.
Launch offer · save £5
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This certificate is over 10 years old and is no longer valid.Expired 16 May 2024
20a has been extended on multiple sides of the property across separate planning applications.
Sale price has grown by over 3x since 1995.
£789,000
Modelled from EPC, postcode comparables and a sale-price growth of 6.4% per year over 21 years.
£672,500
Growth on file: 6.4% per year over 21 years.
What it's really worth, what could be wrong, and the planning, sales and area data in full.
Price per m² for 20a runs comfortably ahead of the street norm.
Price per m²
£6,529
Street avg £3,723
Floor Area
103 m²
Street avg 146 m²
Habitable Rooms
7 rooms
Daytime road noise here sits well below conversation level — a quiet pocket of the postcode.
Crime
5/mo
Steady year-on-year across the wider district.
Nearest stop
0.4 km

Daytime· 07:00 – 23:00
47.3dB

Valuation
against the asking price
Risks
planning & flood
Sold prices
similar homes nearby
Trends
the local market
Extension: Single storey · Rear of property
Single storey rear extension
Extension: Side and rear of property
Single storey side and rear extensions
What's in 20a, Nash Road, Great Horwood, Milton Keynes, MK17 0RA's planning history?
Refusals, disputes and full decisions on this property and nearby, in the report.
15 December 2016Most recent
£672,500
+269.5%over 21 years8 December 1995
£182,000
Median price across the last 5 sales in MK17 0RA: £655,000 (2024–2022).
29a Nash Road Great Horwood Milton Keynes
Sold Aug 2024
13 Nash Road Great Horwood Milton Keynes
Sold Jul 2024
29 Nash Road Great Horwood Milton Keynes
Sold Nov 2023
Manor Farm The Hayloft Nash Road Great Horwood Milton Keynes
Sold Aug 2023
The Chapel House Nash Road Great Horwood Milton Keynes
Sold Aug 2022

Street avg 6 rooms
CO₂ Emissions
5.8 t/year
Street avg 6.8 t/year
MK17 0FU
The Green — bus stop.
Closest school
0.4 km
Great Horwood Church of England School. 1 school nearby.
Go deeper on the local area
The full report breaks down crime, transport links, schools and air quality in depth.
Night-time· 23:00 – 07:00
40.5dB