Areas / AL6 / Harmer Green Lane / property

42 Harmer Green Lane, AL6 0AT

Sold prices, property history and local context for 42 Harmer Green Lane, Welwyn, AL6 0AT, from HM Land Registry and EPC records.

Last sold
£1,150,000
12 Nov 2015
Recorded sales
2
since 1999
Type
Detached house
Freehold
Floor area
244 m²
from its EPC
£ per m²
£4,713
at its last sold price
This home in brief

42 Harmer Green Lane, in AL6, is a freehold detached house on Harmer Green Lane. It last sold for £1,150,000 in 2015 — its 2nd recorded sale, up 326% on its first recorded sale of £270,000 in 1999. At 244 m² (per its EPC) the last sale works out near £4,713/m². That price sits 65% above the £695,000 median for AL6 over the last 8 years.

Buying or selling 42 Harmer Green Lane?

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 2015 sale forward at this home's own historical growth rate — not a formal valuation.

Indicative range
£2,419,000£3,545,000
as of 2026
Last sold
£1,150,000
2015
Its own growth
9.3%/yr
compounded across 2 recorded sales

Based on this home's own compounded sale-price growth (9.3% 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 42 Harmer Green Lane

Every transaction recorded by HM Land Registry for this address, newest first.

DatePriceChangeTypeTenureNew build
12 Nov 2015£1,150,000+326% (+9.3%/yr)Detached houseFreehold
19 Jul 1999£270,000Detached houseFreehold

Other homes at AL6 0AT

Recorded sales for the other addresses sharing this postcode on Harmer Green Lane.

AddressLast soldPriceSalesFloor area
28 Harmer Green Lane2006£510,0002
32 Harmer Green Lane2012£595,0001
36 Harmer Green Lane2010£775,0001
38 Harmer Green Lane2022£1,775,0003
40 Harmer Green Lane2021£1,726,0005385 m²
44 Harmer Green Lane2011£845,0002238 m²
44a Harmer Green Lane2021£960,0001161 m²
46 Harmer Green Lane1999£500,0001
48a Harmer Green Lane2018£1,885,0002353 m²
52 Harmer Green Lane1997£365,0001

The street and the area

Where 42 Harmer Green Lane sits in its local market.

AL6 median
£695,000
last 8 years
Harmer Green Lane sold prices & street profile →AL6 house prices & area guide →

42 Harmer Green Lane: quick answers

From HM Land Registry, EPC and VOA records.

When did 42 Harmer Green Lane last sell, and for how much?

42 Harmer Green Lane last sold for £1,150,000 on 12 Nov 2015, according to HM Land Registry.

How many times has 42 Harmer Green Lane been sold?

HM Land Registry records 2 sales for 42 Harmer Green Lane between 1999 and 2015. Sales before 1995 are not in the public dataset.

How big is 42 Harmer Green Lane?

Its most recent Energy Performance Certificate records 244 m² of floor area.

What is 42 Harmer Green Lane worth today?

Carrying its 2015 sale price forward with its own compounded sale-price growth of 9.3% a year across 2 sales suggests roughly £2,419,000–£3,545,000 as of 2026. This is indicative only — the full report values it against individual comparable sales.

Buying or selling 42 Harmer Green Lane?

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.