Opal House, Flat 26, 4 Merrivale Mews, Milton Keynes, MK9 2EL
About Opal House
Opal House is a two-bedroom mid-terrace house in Milton Keynes (MK9 2EL). It has a recorded floor area of 69 m² (around 743 sq ft) and construction records dating it to 2007 onwards. The latest certificate (December 2019) returns a B (score 83), comfortably above the UK average. The rating has held steady at B across 2 certificates since July 2009. Between certificates, window efficiency dropped from Very Good to Good and hot-water efficiency dropped from Very Good to Good. At 69 m² this is the 23rd smallest of 25 units on EPC record in Opal House, where floor areas span 52–70 m². The building's EPC ratings span C to B, with this unit at the top. Other recorded features include a balcony.
It hasn't traded since February 2009, a hold of 17 years that's notably long for the area. That sale fell during the post-crash dip, which often skews comparisons against later neighbouring sales. Today's modelled estimate of £194,000 is 31.6% above the 2009 sale price. On a £-per-square-foot basis, the last sale (£198/sq ft) was about 29.9% below the postcode norm.
What this property has
Inside
- Bedrooms2
- Bathrooms2
- Open-plan layoutYes
- EnsuiteYes
Outside
- ParkingUnderground
- BalconyYes
Building
- ConciergeYes
Energy performance
Opal House's carbon output is low for the local stock.
EPC Rating
Property Improvements
Changes detected from historical EPC data
Changed to a more efficient fuel source
Hot water efficiency decreased
Wall insulation upgraded
More low energy lighting installed
Get a survey for this property
Level 2 HomeBuyer Report
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Planning history
Opal House has no planning applications on record.
But the area is active
4 notable applications nearby — larger schemes and conversions that could reshape the street. The report maps them all.
Sales history & valuation
The latest sale fell during the post-2008 dip, often a low-water mark in price comparisons.
£194,000
Modelled from EPC, postcode comparables.
£147,368
Recorded with HM Land Registry.
Sales timeline
27 February 2009Most recent
£147,368
Median price across the last 5 sales in MK9 2EL: £235,000 (2022–2015).
Nearby sales in MK9 2EL
Opal House, Flat 21, 4 Merrivale Mews, Milton Keynes, MK9 2EL
Sold Aug 2022
£214,000Opal House, Flat 46, 4 Merrivale Mews, Milton Keynes, MK9 2EL
Sold Jan 2021
£250,000Opal House, Flat 14, 4 Merrivale Mews, Milton Keynes, MK9 2EL
Sold Dec 2019
£270,000Opal House, Flat 27, 4 Merrivale Mews, Milton Keynes, MK9 2EL
Sold Oct 2015
£200,000Opal House, Flat 43, 4 Merrivale Mews, Milton Keynes, MK9 2EL
Sold Feb 2015
£235,000
Versus other Merrivale Mews homes
Opal House is notably below the street on price per m².
Price per m²
£2,136
Street avg £3,079
Floor Area
69 m²
Street avg 60 m²
Habitable Rooms
3 rooms
Street avg 3 rooms
CO₂ Emissions
1.1 t/year
Street avg 1.2 t/year
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The neighbourhood at a glance
Rail-style transport is unusually close for this postcode.
Crime
13/mo
Rising year-on-year across the wider district.
Nearest stop
0.3 km
Central Business Exchange — bus stop.
Closest school
0.7 km
Oldbrook First School and Nursery. 31 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
53.9dB

Night-time· 23:00 – 07:00
41.1dB







