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Get started21 Mawson Road is a three-bedroom mid-terrace house in Cambridge (CB1 2DZ). It has a recorded floor area of 81 m² (around 872 sq ft), construction records dating it to 1900-1929 and council tax band E. The latest certificate (December 2019) shows a C (score 70). When first surveyed in May 2009 the rating was D, the property has climbed 1 band since. Between certificates, lighting went from Very Poor to Very Good; while wall efficiency dropped from Good to Very Poor and roof efficiency dropped from Good to Very Poor. The recommended improvements would push it to B (score 87).
Held since May 2006 — that's 20 years off the open market, well above the local norm. Across the public record there are 5 sales, relatively high churn for a single property. Sale prices here have outpaced Cambridge HPI: 15.1% per year against 0% for the wider region. Today's modelled estimate of £692,000 sits 77.4% above the 2006 sale of £390,000. On a £-per-square-foot basis, the last sale (£447/sq ft) was about 55% above the typical sold price in the postcode. At 81 m² it's 29.6% smaller than the typical home in the postcode (115 m² median across 41 EPCs). On energy efficiency it sits in the top 10% of properties in this postcode. One planning record on file: an extension approved in 2003. Past consents include an extension, meaningful when judging how the property has evolved.
21 Mawson Road ranks among the most efficient homes in the postcode for energy use.
Council records include a part-single-part-two-storey rear extension at 21 Mawson Road.
Extension: Part single, part two storey · Rear of property
Erection of part two storey, part single storey rear extension.
Price for 21 Mawson Road has grown more than fourfold since the 1995 starting point.
£692,000
Modelled from EPC, postcode comparables and a sale-price growth of 15.1% per year over 11 years.
£390,000
Growth on file: 15.1% per year over 11 years.
On co₂ emissions, 21 Mawson Road stands well clear of the street.
Price per m²
£4,815
Street avg £5,580
Floor Area
81 m²
Street avg 115 m²
Habitable Rooms
4 rooms
Rail-style transport is unusually close for this postcode.
Crime
4/mo
Rising year-on-year across the wider district.
Nearest stop
0.6 km
Cambridge Rail Station — railway station.

Daytime· 07:00 – 23:00
50.6dB

Changes detected from historical EPC data
Hot water efficiency decreased
More low energy lighting installed
Are we missing something? Tell us about home improvements to help adjust your valuation.
25 May 2006Most recent
£390,000
+62.5%over 5 years10 May 2001
£240,000
+12.7%over 7 months11 October 2000
£213,000
+99.1%over 4 years18 December 1995
£107,000
+30.5%over 8 months2 May 1995
£82,000
Median price across the last 5 sales in CB1 2DZ: £780,000 (2025–2023).
Street avg 6 rooms
CO₂ Emissions
2.8 t/year
Street avg 5.2 t/year
CB1 2HW
Closest school
0.3 km
Cambridge Maths School. 27 schools nearby.
Night-time· 23:00 – 07:00
40.2dB
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