21 Adelphi Street, Campbell Park, Milton Keynes, MK9 4AE
About 21 Adelphi Street
21 Adelphi Street is a four-bedroom end-of-terrace house in Campbell Park, Milton Keynes, Milton Keynes (MK9 4AE). It has a recorded floor area of 147 m² (around 1582 sq ft), construction records dating it to 1996-2002 and council tax band E. The latest certificate (March 2014) shows a D (score 68), on the cusp of jumping into the C band. The rating has held steady at D across 3 certificates since October 2013. Between certificates, hot-water efficiency went from Very Poor to Average. The recommended improvements would push it to C (score 80). The latest certificate is from March 2014, so improvements made since then won't be reflected. Other recorded features include a balcony and a self-contained annexe. The home occupies a cul-de-sac position.
At 147 m² the property is well over the postcode median (105 m² across 36 EPCs), placing it in the larger end of the local stock. 4 bedrooms is on the larger side for this postcode, where 3 is the typical count. Across 1999–2019, sale prices on this property compounded at 5.4% per year. Today's modelled estimate of £423,000 is 11.3% above the 2019 sale price. On a £-per-square-foot basis, the last sale (£240/sq ft) was about 78% above the typical sold price in the postcode. Sold November 2019 for £380,000.
What this property has
Inside
- Bedrooms4
- Bathrooms1
- EnsuiteYes
Outside
- Private gardenYes
- DrivewayYes
- BalconyYes
- Cul-de-sacYes
Energy performance
21 Adelphi Street's EPC is over a decade old — improvements since won't be reflected.
EPC Expired
This certificate is over 10 years old and is no longer valid.Expired 03 Mar 2024
EPC Rating
Certificate validity
Expired on 3 March 2024
Property Improvements
Changes detected from historical EPC data
Hot water system upgraded
Hot water system changed
Cavity wall insulation installed
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Planning history
21 Adelphi Street has no planning applications on record.
A planning report still maps activity across the surrounding area and reads this property's extension & conversion potential.
Sales history & valuation
21 Adelphi Street has more than doubled in price since the earliest registered sale in 1999.
£423,000
Modelled from EPC, postcode comparables and a sale-price growth of 5.4% per year over 21 years.
£380,000
Growth on file: 5.4% per year over 21 years.
Sales timeline
11 November 2019Most recent
£380,000
+198.0%over 20 years26 February 1999
£127,500
Median price across the last 5 sales in MK9 4AE: £388,000 (2025–2023).
Nearby sales in MK9 4AE
71 Adelphi Street, Campbell Park, Milton Keynes, MK9 4AE
Sold Aug 2025
£388,00051 Adelphi Street, Campbell Park, Milton Keynes, MK9 4AE
Sold Apr 2025
£303,00027 Adelphi Street, Campbell Park, Milton Keynes, MK9 4AE
Sold Mar 2025
£350,00015 Adelphi Street, Campbell Park, Milton Keynes, MK9 4AE
Sold Jun 2024
£425,00079 Adelphi Street, Campbell Park, Milton Keynes, MK9 4AE
Sold Apr 2023
£431,500
Versus other Adelphi Street homes
On habitable rooms, 21 Adelphi Street stands well clear of the street.
Price per m²
£2,585
Street avg £2,233
Floor Area
147 m²
Street avg 103 m²
Habitable Rooms
7 rooms
Street avg 5 rooms
CO₂ Emissions
4.6 t/year
Street avg 3.8 t/year
Similar properties nearby
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The neighbourhood at a glance
Crime
255/mo
Steady year-on-year across the wider district.
Nearest stop
0.3 km
Downs Barn Boulevard — bus stop.
Closest school
0.5 km
Downs Barn School. 29 schools nearby.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.
Road noise across the postcode

Daytime· 07:00 – 23:00
55.1dB

Night-time· 23:00 – 07:00
44.8dB







