12 Cosne Mews, AL5 1DP
Sold prices, property history and local context for 12 Cosne Mews, Harpenden, AL5 1DP, from HM Land Registry and EPC records.
12 Cosne Mews, in AL5, is a freehold semi-detached house on Cosne Mews. It last sold for £405,000 in 2018 — its 4th recorded sale, up 350% on its first recorded sale of £89,950 in 1997. At 55 m² (per its EPC) the last sale works out near £7,364/m². That price sits 46% below the £750,000 median for AL5 over the last 8 years.
Get the full £5 report — a precise comparables-based valuation, EPC & running costs, flood/mining risk, planning activity, schools, crime and more, for this exact home.
What might it be worth now?
An indicative range from carrying the 2018 sale forward at this home's own historical growth rate — not a formal valuation.
Based on this home's own compounded sale-price growth (7.4% a year between its recorded sales), projected from its last sale. It can't see improvements, condition or anything specific to the property — the £5 report values it against individual comparable sales instead.
Sale history for 12 Cosne Mews
Every transaction recorded by HM Land Registry for this address, newest first.
Other homes at AL5 1DP
Recorded sales for the other addresses sharing this postcode on Cosne Mews.
The street and the area
Where 12 Cosne Mews sits in its local market.
12 Cosne Mews: quick answers
From HM Land Registry, EPC and VOA records.
12 Cosne Mews last sold for £405,000 on 15 Jun 2018, according to HM Land Registry.
HM Land Registry records 4 sales for 12 Cosne Mews between 1997 and 2018. Sales before 1995 are not in the public dataset.
Its most recent Energy Performance Certificate records 55 m² of floor area.
Carrying its 2018 sale price forward with its own compounded sale-price growth of 7.4% a year across 4 sales suggests roughly £612,000–£842,000 as of 2026. This is indicative only — the full report values it against individual comparable sales.
Get the full £5 report — a precise comparables-based valuation, EPC & running costs, flood/mining risk, planning activity, schools, crime and more, for this exact home.
Contains HM Land Registry data © Crown copyright and database right 2026. EPC data © Crown copyright. Council tax band from the Valuation Office Agency. Licensed under the Open Government Licence v3.0. Sales before 1995 are not in the public dataset. Figures describe recorded transactions and are not a valuation of this home; the indicative range is a district-level projection, not a survey or appraisal.