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40 Harpenden Lane, Redbourn, St Albans, AL3 7PB

2 planning records
Property type
Detached
Bedrooms
4
Bathrooms
3
Floor area
138 m²
1485 sq ft
Energy rating
D
Score 60
Council tax
Band D
Tenure
Owner Occupied
Overview

About 40 Harpenden Lane

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

40 Harpenden Lane is a four-bedroom detached house in Redbourn, St. Albans, St Albans (AL3 7PB). It has a recorded floor area of 138 m² (around 1485 sq ft), construction records dating it to 1930-1949 and council tax band D. The latest certificate (June 2019) shows a D (score 60), on the cusp of jumping into the C band. The recommended improvements would push it to C (score 75). Records show the property has been extended at some point in its history.

At 138 m² the property is well over the postcode median (83 m² across 21 EPCs), placing it in the larger end of the local stock. Today's modelled estimate of £907,000 is 27.7% above the 2019 sale price. On a £-per-square-foot basis, the last sale (£478/sq ft) was about 54.8% above the typical sold price in the postcode. 2 planning records sit against the property, 0 approved, 0 refused. Most recent transfer: August 2019 at £710,000.

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
  • Bathrooms3
  • Open-plan layoutYes
  • EnsuiteYes

Outside

  • Private gardenYes
  • GarageDetached
  • Summer houseYes

Building

  • Previously extendedYes
  • RefurbishedYes
Before you decide

Everything you need to know about 40 Harpenden 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.

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

EPC Rating

A
B
C
D
D60
E
F
G
Main Heating
Gas
Main Fuel
Gas
Hot Water
Good
Windows
Good
CO2 Emissions
6.6 t/year
Occupancy
Owner Occupied
SDL Surveying

Get a survey for this property

Level 3 Building Survey

Early 20th centuryDetached BungalowEPC DExtended multiple times (2+ extensions)Solid (non-cavity) walls

Because the property has been extended more than once and has solid (non-cavity) walls, we believe a Level 3 building survey should be considered.

From £1,495 · Includes VAT

Planning

Planning history

Applications and permits filed against 40 Harpenden Lane, Redbourn, St Albans, AL3 7PB, sourced from the PlanIt planning register.

Planning history includes both a loft conversion and an extension — the classic family-home expansion.

2 applications on record at 40 Harpenden Lane, Redbourn, St Albans, AL3 7PB

2decisions2extensions10documents
  1. Jun 2007
    Loft ConversionFull
    Outcome in report

    Loft conversion with roof alterations and front and side dormer window to provide first floor accomodation

    Documents
    2 docs on file
    Reference
    5/2007/0991
    Full record in report
  2. More recent applications — locked
  3. ExtensionDecision

Unlock 40 Harpenden Lane, Redbourn, St Albans, AL3 7PB's full planning history

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

  • Every decision — granted, refused or withdrawn (2 on record)
  • All 2 applications on this property in full
  • The 10 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.

40 Harpenden Lane valuation sits well clear of the typical sold price in this postcode.

Current estimate

£907,000

Modelled from EPC, postcode comparables.

See how we calculated this
Last sold (2019)

£710,000

Recorded with HM Land Registry.

Sales timeline

  1. 26 August 2019Most recent

    £710,000

Median price across the last 5 sales in AL3 7PB: £565,000 (2025–2021).

On the street

Versus other Harpenden Lane homes

Four headline reads against 21 similar houses on this street, drawn from the latest EPC and Land Registry data.

On floor area, 40 Harpenden Lane stands well clear of the street.

Price per m²

£5,145

Street avg £5,274

On par

Floor Area

138 m²

Street avg 91 m²

Strongly above

Habitable Rooms

6 rooms

Street avg 5 rooms

Strongly above

CO₂ Emissions

6.6 t/year

Street avg 5.2 t/year

Strongly below
Before you decide

Everything you need to know about 40 Harpenden 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

0.1 km

Ver Road — bus stop.

Closest school

0.7 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 40 Harpenden Lane, Redbourn, St Albans, AL3 7PB. Each answer is also embedded as structured data for search engines.