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18 Blackthorn Close, St Albans, AL4 9RP

Extendable2 planning records
Property type
Semi-detached
Bedrooms
3
Bathroom
1
Floor area
97 m²
1044 sq ft
Energy rating
D
Score 65
Council tax
Band E
Tenure
Owner Occupied
Overview

About 18 Blackthorn Close

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

18 Blackthorn Close is a three-bedroom semi-detached house in St Albans (AL4 9RP). It has a recorded floor area of 97 m² (around 1044 sq ft), construction records dating it to 1950-1966 and council tax band E. The latest certificate (December 2020) shows a D (score 65), on the cusp of jumping into the C band. The recommended improvements would push it to C (score 79). Our model identifies extension potential, subject to local planning policy.

Today's modelled estimate of £974,000 is 13.9% above the 2021 sale price. On a £-per-square-foot basis, the last sale (£819/sq ft) was about 77.4% above the typical sold price in the postcode. 2 planning records sit against the property, 0 approved, 0 refused. At 97 m² it's 18.5% smaller than the typical home in the postcode (119 m² median across 10 EPCs). Sold September 2021 for £855,000. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.

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

  • Bedrooms3
  • Bathrooms1
  • EnsuiteYes

Outside

  • Private gardenYes
  • GarageYes

Building

  • Heating systemGas
  • Extension potentialPossible
Before you decide

Everything you need to know about 18 Blackthorn Close

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

Pick your report · every report is £14.99

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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.

EPC Rating

A
B
C
D
D65
E
F
G
Main Heating
Gas
Main Fuel
Gas
Hot Water
Good
Windows
Average
CO2 Emissions
4.0 t/year
Occupancy
Owner Occupied
SDL Surveying

Get a survey for this property

Level 2 HomeBuyer Report

Mid 20th centurySemi-Detached HouseEPC D

We've checked 10 risk factors against the available data for this property and believe a Level 2 HomeBuyer Report could be a suitable option for you.

From £1,145 · Includes VAT

Planning

Planning history

Applications and permits filed against 18 Blackthorn Close, St Albans, AL4 9RP, sourced from the PlanIt planning register.

Planning records include a solar-panel installation at 18 Blackthorn Close.

2 applications on record at 18 Blackthorn Close, St Albans, AL4 9RP

2decisions2extensions39documents
  1. Mar 2022
    Solar PanelsFull
    Outcome in report

    Extension: Part single, part two storey · Side and rear of property

    Demolition of garage and construction of two storey side and part single, part two storey front and rear extensions, installation of roof light and solar panels and rear patio

    Extension
    Documents
    16 docs on file
    Reference
    5/2021/3501
    Full record in report
  2. More recent applications — locked
  3. ExtensionDecision

Unlock 18 Blackthorn Close, St Albans, AL4 9RP'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 39 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.

The latest sale landed in the post-pandemic price surge — useful context when reading the figure.

Current estimate

£974,000

Modelled from EPC, postcode comparables.

See how we calculated this
Last sold (2021)

£855,000

Recorded with HM Land Registry.

Sales timeline

  1. 28 September 2021Most recent

    £855,000

Median price across the last 5 sales in AL4 9RP: £750,000 (2025–2015).

On the street

Versus other Blackthorn Close homes

Four headline reads against 10 similar houses on this street, drawn from the latest EPC and Land Registry data.

Price per m² for 18 Blackthorn Close runs comfortably ahead of the street norm.

Price per m²

£8,814

Street avg £5,434

Strongly above

Floor Area

97 m²

Street avg 126 m²

Strongly below

Habitable Rooms

5 rooms

Street avg 6 rooms

Below

CO₂ Emissions

4.0 t/year

Street avg 4.4 t/year

Above
Before you decide

Everything you need to know about 18 Blackthorn Close

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.
£923k

1 Cromwell Close

AL4 9YE

3 bed2 bath
£1.1m

1 Bentsley Close

AL4 9PN

3 bed1 bath
£719k

1 Craiglands

AL4 9AH

3 bed1 bath
£647k

1 Berkley Close

AL4 9TS

3 bed
£525k

1 Church End, Sandridge

AL4 9DL

3 bed1 bath
£521k

1 Chiltern Road

AL4 9SW

3 bed
£1.1m

1 Ardens Way

AL4 9UW

4 bed2 bath
£868k

1 Chancery Close

AL4 9YF

4 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

Reported crime in the wider district is trending notably upward year-on-year.

Crime

4/mo

Rising year-on-year across the wider district.

Nearest stop

0.1 km

Skys Wood Road Terminus — bus stop.

Closest school

0.1 km

Skyswood Primary & Nursery School. 28 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 18 Blackthorn Close, St Albans, AL4 9RP. Each answer is also embedded as structured data for search engines.