21 Harmer Green Lane, AL6 0AS
Sold prices, property history and local context for 21 Harmer Green Lane, Welwyn, AL6 0AS, from HM Land Registry and EPC records.
21 Harmer Green Lane is a freehold semi-detached house on Harmer Green Lane in AL6. It last sold for £775,000 in 2019 — its 4th recorded sale, up 278% on its first recorded sale of £205,000 in 1998. 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 2019 sale forward at this home's own historical growth rate — not a formal valuation.
Based on this home's own compounded sale-price growth (6.7% 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 21 Harmer Green Lane
Every transaction recorded by HM Land Registry for this address, newest first.
Other homes at AL6 0AS
Recorded sales for the other addresses sharing this postcode on Harmer Green Lane.
The street and the area
Where 21 Harmer Green Lane sits in its local market.
21 Harmer Green Lane: quick answers
From HM Land Registry, EPC and VOA records.
21 Harmer Green Lane last sold for £775,000 on 22 Mar 2019, according to HM Land Registry.
HM Land Registry records 4 sales for 21 Harmer Green Lane between 1998 and 2019. Sales before 1995 are not in the public dataset.
Carrying its 2019 sale price forward with its own compounded sale-price growth of 6.7% a year across 4 sales suggests roughly £1,061,000–£1,431,000 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.