Skip to content
UK Property Looker

21 Blackhorse Lane, Redbourn, St Albans, AL3 7EP

1 planning record
Property type
Detached
Bedrooms
4
Floor area
166 m²
1788 sq ft
Energy rating
E
Score 50
Council tax
Band G
Tenure
Owner Occupied
Overview

About 21 Blackhorse Lane

A plain-English summary derived from public records, EPC certificates, sold prices and local data.

21 Blackhorse Lane is a four-bedroom detached house in Redbourn, St. Albans, St Albans (AL3 7EP). It has a recorded floor area of 166 m² (around 1788 sq ft) and council tax band G. The latest certificate (November 2009) shows an E (score 50), well below the UK norm with real room to improve. The latest certificate is from November 2009, so improvements made since then won't be reflected.

At 166 m² it's 17% larger than the typical home in the postcode (142 m² median across 11 EPCs). Across 2010–2017, sale prices on this property compounded at 3.7% per year. Today's modelled estimate of £1,116,000 is 24% above the 2017 sale price. On a £-per-square-foot basis, the last sale (£503/sq ft) was about 70.9% above the typical sold price in the postcode. 9 years since the last transfer (November 2017). One historical planning record sits against the property in 2004.

Specifications

What this property has

Pulled from EPC certificates, claim submissions and our property model. Empty categories are hidden — we only show what's known.

Inside

  • Bedrooms4
Before you decide

Everything you need to know about 21 Blackhorse Lane

The true value, the hidden risks and the full sale history, in one report.

Pick your report · every report is £14.99

One time fee only - money back guarantee

Preview of the full property report

The data behind every report

  • HM Land Registry, source of sold price history
  • Department for Education, source of schools data
  • Police.uk, source of crime statistics
  • Department for Transport, source of stations and transport links
  • Environment Agency, source of flood risk data
  • Department for Environment, Food & Rural Affairs, source of road noise data
  • PlanIt, source of planning application records
Energy

Energy performance

Every EPC certificate filed against this property — current rating, recorded improvements, and where there's headroom to reach a higher band.

21 Blackhorse Lane's carbon output runs well above what efficient homes in the postcode produce.

EPC Expired

This certificate is over 10 years old and is no longer valid.Expired 06 Nov 2019

EPC Rating

A
B
C
D
E
E50
F
G
Main Heating
Gas
Main Fuel
Gas
Hot Water
Very Good
Windows
Average
CO2 Emissions
9.1 t/year
Occupancy
Owner Occupied
SDL Surveying

Get a survey for this property

Level 3 Building Survey

Detached BungalowEPC EExtended multiple times (2+ extensions)

Because the property has been extended more than once, we believe a Level 3 building survey should be considered.

From £1,645 · Includes VAT

Planning

Planning history

Applications and permits filed against 21 Blackhorse Lane, Redbourn, St Albans, AL3 7EP, sourced from the PlanIt planning register.

1 application on record at 21 Blackhorse Lane, Redbourn, St Albans, AL3 7EP

1decisions1extensions2documents
  1. Jan 2004
    Loft ConversionFull
    Outcome in report

    Roof alterations and insertion of dormer windows to create first floor accommodation

    Documents
    2 docs on file
    Reference
    5/2003/2553
    Full record in report

Unlock 21 Blackhorse Lane, Redbourn, St Albans, AL3 7EP's full planning history

You're seeing the shape of it. The report has the substance.

  • Every decision — granted, refused or withdrawn (1 on record)
  • All 1 application on this property in full
  • The 2 documents, officer reports & conditions
  • What the pattern means for extending or converting here
£14.99one-off · instant

One time fee only - money back guarantee

Price

Sales history & valuation

Recorded transactions, our model's current estimate, and a quick read on what neighbouring properties have sold for.

21 Blackhorse Lane valuation sits well clear of the typical sold price in this postcode.

Current estimate

£1,116,000

Modelled from EPC, postcode comparables and a sale-price growth of 3.7% per year over 7 years.

See how we calculated this
Last sold (2017)

£900,000

Growth on file: 3.7% per year over 7 years.

Sales timeline

  1. 3 November 2017Most recent

    £900,000

    +30.4%over 7 years

  2. 19 July 2010

    £690,000

Median price across the last 5 sales in AL3 7EP: £783,000 (2025–2018).

On the street

Versus other Blackhorse Lane homes

Four headline reads against 11 similar houses on this street, drawn from the latest EPC and Land Registry data.

21 Blackhorse Lane is notably below the street on co₂ emissions.

Price per m²

£5,418

Street avg £5,896

On par

Floor Area

166 m²

Street avg 150 m²

Above

Habitable Rooms

6 rooms

Street avg 7 rooms

Strongly below

CO₂ Emissions

9.1 t/year

Street avg 6.6 t/year

Strongly below
Before you decide

Everything you need to know about 21 Blackhorse Lane

The true value, the hidden risks and the full sale history, in one report.

Pick your report · every report is £14.99

One time fee only - money back guarantee

Preview of the full property report

The data behind every report

  • HM Land Registry, source of sold price history
  • Department for Education, source of schools data
  • Police.uk, source of crime statistics
  • Department for Transport, source of stations and transport links
  • Environment Agency, source of flood risk data
  • Department for Environment, Food & Rural Affairs, source of road noise data
  • PlanIt, source of planning application records
Comparables

Similar properties nearby

A handful of close matches in the same postcode area, ranked by likeness on bedrooms, type and floor area.
£806k

1 Brooke End, Redbourn

AL3 7GA

4 bed
£782k

1 Draper Court, Peartree House, Crown Street, Redbourn

AL3 7HN

4 bed2 bath
£774k

1 Coopers Meadow, Redbourn

AL3 7EY

4 bed3 bath
£726k

1 Bassett Close, Redbourn

AL3 7JY

4 bed
£656k

1 Appletree Grove, Cumberland Drive, Redbourn

AL3 7PG

4 bed
£986k

1 Dell Cottage, Lybury Lane, Redbourn

AL3 7JJ

5 bed3 bath
£685k

1 Fish Street Farm, High Street, Redbourn

AL3 7NS

3 bed1 bath
£613k

1 Crown Cottages, St Albans Road, Redbourn

AL3 7LH

3 bed
Area

The neighbourhood at a glance

A condensed read of the local area. Each tile links through to the full breakdown on the St Albans district page.
Full St Albans report

Crime

3/mo

Steady year-on-year across the wider district.

Nearest stop

0.2 km

Aysgarth Road — bus stop.

Closest school

0.4 km

Redbourn Primary School. 5 schools nearby.

Go deeper on the local area

A Local Area report breaks down crime, transport links, schools and air quality in depth.

FAQ

Common questions

The questions buyers, sellers and homeowners most often ask about 21 Blackhorse Lane, Redbourn, St Albans, AL3 7EP. Each answer is also embedded as structured data for search engines.