40 Harmer Green Lane, AL6 0AT
Sold prices, property history and local context for 40 Harmer Green Lane, Welwyn, AL6 0AT, from HM Land Registry and EPC records.
40 Harmer Green Lane is a freehold detached house on Harmer Green Lane in AL6. It last sold for £1,726,000 in 2021 — its 5th recorded sale, up 318% on its first recorded sale of £412,500 in 1997. Its EPC records 385 m² of floor space — about £4,483 per square metre at that last price. For context, AL6's median over the last 8 years is £695,000 — this home's last sale was 148% 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 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 (6.1% 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 40 Harmer Green Lane
Every transaction recorded by HM Land Registry for this address, newest first.
Other homes at AL6 0AT
Recorded sales for the other addresses sharing this postcode on Harmer Green Lane.
The street and the area
Where 40 Harmer Green Lane sits in its local market.
40 Harmer Green Lane: quick answers
From HM Land Registry, EPC and VOA records.
40 Harmer Green Lane last sold for £1,726,000 on 3 Dec 2021, according to HM Land Registry.
HM Land Registry records 5 sales for 40 Harmer Green Lane between 1997 and 2021. Sales before 1995 are not in the public dataset.
Its most recent Energy Performance Certificate records 385 m² of floor area.
Carrying its 2021 sale price forward with its own compounded sale-price growth of 6.1% a year across 5 sales suggests roughly £2,008,000–£2,536,000 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.