1 Mardley Dell, AL6 0UR
Sold prices, property history and local context for 1 Mardley Dell, Welwyn, AL6 0UR, from HM Land Registry and EPC records.
1 Mardley Dell, in AL6, is a freehold detached house on Mardley Dell. It last sold for £775,000 in 2021 — its 2nd recorded sale, up 48% on its first recorded sale of £525,000 in 2010. Its EPC records 137 m² of floor space — about £5,657 per square metre at that last price. That price sits 12% above the £695,000 median for AL6 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 2021 sale forward at this home's own historical growth rate — not a formal valuation.
Based on this home's own compounded sale-price growth (3.7% 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 1 Mardley Dell
Every transaction recorded by HM Land Registry for this address, newest first.
Other homes at AL6 0UR
Recorded sales for the other addresses sharing this postcode on Mardley Dell.
The street and the area
Where 1 Mardley Dell sits in its local market.
1 Mardley Dell: quick answers
From HM Land Registry, EPC and VOA records.
1 Mardley Dell last sold for £775,000 on 26 Mar 2021, according to HM Land Registry.
HM Land Registry records 2 sales for 1 Mardley Dell between 2010 and 2021. Sales before 1995 are not in the public dataset.
Its most recent Energy Performance Certificate records 137 m² of floor area.
Carrying its 2021 sale price forward with its own compounded sale-price growth of 3.7% a year across 2 sales suggests roughly £825,000–£1,059,000 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.