Areas / AL3 / Blackhorse Lane / property

21 Blackhorse Lane, AL3 7EP

Sold prices, property history and local context for 21 Blackhorse Lane, St Albans, AL3 7EP, from HM Land Registry and EPC records.

Last sold
£900,000
3 Nov 2017
Recorded sales
2
since 2010
Type
Detached house
Freehold
This home in brief

21 Blackhorse Lane, in AL3, is a freehold detached house on Blackhorse Lane. It last sold for £900,000 in 2017 — its 2nd recorded sale, up 30% on its first recorded sale of £690,000 in 2010. For context, AL3's median over the last 8 years is £590,000 — this home's last sale was 53% higher.

Buying or selling 21 Blackhorse 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 2017 sale forward at this home's own historical growth rate — not a formal valuation.

Indicative range
£1,034,000£1,442,000
as of 2026
Last sold
£900,000
2017
Its own growth
3.7%/yr
compounded across 2 recorded sales

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 21 Blackhorse Lane

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

DatePriceChangeTypeTenureNew build
3 Nov 2017£900,000+30% (+3.7%/yr)Detached houseFreehold
20 Jul 2010£690,000Detached houseFreehold

Other homes at AL3 7EP

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

AddressLast soldPriceSalesFloor area
1 Blackhorse Lane2003£410,0001
3 Blackhorse Lane2010£590,0001212 m²
5 Blackhorse Lane2025£1,300,0002205 m²
9 Blackhorse Lane2014£655,0004
11 Blackhorse Lane2024£1,601,0002113 m²
13 Blackhorse Lane2003£415,0002
15 Blackhorse Lane2018£640,0003
25 Blackhorse Lane2013£575,0004
27 Blackhorse Lane2018£750,0002138 m²
29 Blackhorse Lane2017£750,0003176 m²
31 Blackhorse Lane2015£585,0004134 m²
Stoneleigh, Blackhorse Lane2006£560,0001

The street and the area

Where 21 Blackhorse Lane sits in its local market.

AL3 median
£590,000
last 8 years
Blackhorse Lane sold prices & street profile →AL3 house prices & area guide →

21 Blackhorse Lane: quick answers

From HM Land Registry, EPC and VOA records.

When did 21 Blackhorse Lane last sell, and for how much?

21 Blackhorse Lane last sold for £900,000 on 3 Nov 2017, according to HM Land Registry.

How many times has 21 Blackhorse Lane been sold?

HM Land Registry records 2 sales for 21 Blackhorse Lane between 2010 and 2017. Sales before 1995 are not in the public dataset.

What is 21 Blackhorse Lane worth today?

Carrying its 2017 sale price forward with its own compounded sale-price growth of 3.7% a year across 2 sales suggests roughly £1,034,000–£1,442,000 as of 2026. This is indicative only — the full report values it against individual comparable sales.

Buying or selling 21 Blackhorse 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.