28 Mardley Avenue, AL6 0TZ
Sold prices, property history and local context for 28 Mardley Avenue, Welwyn, AL6 0TZ, from HM Land Registry and EPC records.
28 Mardley Avenue is a freehold detached house on Mardley Avenue in AL6. It last sold for £1,000,000 in 2022 — its 2nd recorded sale, up 239% on its first recorded sale of £295,000 in 2000. At 138 m² (per its EPC) the last sale works out near £7,246/m². For context, AL6's median over the last 8 years is £695,000 — this home's last sale was 44% higher.
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 2022 sale forward at this home's own historical growth rate — not a formal valuation.
Based on this home's own compounded sale-price growth (5.7% 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 28 Mardley Avenue
Every transaction recorded by HM Land Registry for this address, newest first.
Other homes at AL6 0TZ
Recorded sales for the other addresses sharing this postcode on Mardley Avenue.
The street and the area
Where 28 Mardley Avenue sits in its local market.
28 Mardley Avenue: quick answers
From HM Land Registry, EPC and VOA records.
28 Mardley Avenue last sold for £1,000,000 on 14 Oct 2022, according to HM Land Registry.
HM Land Registry records 2 sales for 28 Mardley Avenue between 2000 and 2022. Sales before 1995 are not in the public dataset.
Its most recent Energy Performance Certificate records 138 m² of floor area.
Carrying its 2022 sale price forward with its own compounded sale-price growth of 5.7% a year across 2 sales suggests roughly £1,106,000–£1,368,000 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.