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20 Roestock Gardens, Colney Heath, St Albans, AL4 0QJ

3 sales on record

Estimated value

£767,000

  • Since the 2021 sale (£605,000)+27%
  • Against AL4 0QJ's recent median (£725,000)+6%

Newest record on this page: March 2026. Land Registry and EPC registers update monthly, so this page can trail them by 2–3 months.

Learn about this valuation
Property type
Semi-detached
Bedrooms
4
Bathrooms
2
Floor area
123 m²
1324 sq ft
Energy rating
C
Score 71
Council tax
Band E
Tenure
Owner Occupied
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Valuation

About this valuation

How the figure is worked out and what it's based on. If you know this home, you can tell other visitors what you think it's worth.

Our estimate

£767,000

  • Against its 2021 sale (£605,000)+27%
  • Against AL4 0QJ's recent median (£725,000)+6%

Your note and figure are shown publicly on this page.

How the estimate is made

The estimate for 20 Roestock Gardens is modelled from its 123 m² EPC floor area, its 3 recorded sales and recent sales of comparable homes in AL4 0QJ. It is an automated estimate, not a survey or mortgage valuation: condition, layout and improvements that aren't on record can move the real figure either way.

What it's based on

  • Floor area

    123 m² from the EPC lodged in March 2026

  • Sales of this home

    3 sales recorded, the latest in 2021

  • Recent sales in AL4 0QJ

    5 sales, median £725,000 (2025–2023)

This page or the full report?

DataThis pageFull report
SalesLatest sale shown: October 2025Latest available records, read when you order
ValuationEstimate from the last refreshAnalysed against comparable sales
PlanningNone on this homeFull history, plus nearby schemes
Flood riskNot shownIncluded
Price

Sales history & valuation

Every recorded sale of this home, how its price has moved, and what neighbouring properties have sold for.

20 Roestock Gardens has more than doubled in price since the earliest registered sale in 2003.

Sales timeline

  1. 19 January 2021Most recent

    £605,000

    +17.5%over 3 years

  2. 11 May 2017

    £515,000

    +100.4%over 13 years

  3. 1 October 2003

    £257,000

Median price across the last 5 sales in AL4 0QJ: £725,000 (2025–2023).

Risks

What this page doesn't show

1 potential issue has already been flagged for 20 Roestock Gardens, Colney Heath, St Albans, AL4 0QJ. The detail, evidence and what to ask about it are in the Risks Report.
  • Larger development activity nearbyIn report
  • Flood risk from rivers, sea and surface waterIn report
  • Subsidence and ground-stability signalsIn report
  • Refusals, enforcement and big schemes nearbyIn report

One time fee only - money back guarantee

Overview

About 20 Roestock Gardens

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

20 Roestock Gardens is a four-bedroom semi-detached house in Colney Heath, St. Albans, St Albans (AL4 0QJ). It has a recorded floor area of 123 m² (around 1324 sq ft), construction records dating it to 1930-1949 and council tax band E. The latest certificate (March 2026) shows a C (score 71). When first surveyed in June 2016 the rating was D, the property has climbed 1 band since. Between certificates, roof efficiency went from Good to Very Good and lighting went from Good to Very Good; while window efficiency dropped from Good to Average. This certificate was lodged in the last six months, so the rating reflects current condition. The home occupies a cul-de-sac position.

At 123 m² the property is well over the postcode median (88 m² across 21 EPCs), placing it in the larger end of the local stock. On energy efficiency it sits in the top 10% of properties in this postcode. Across 2003–2021, sale prices on this property compounded at 5.1% per year. Today's modelled estimate of £767,000 is 26.8% above the 2021 sale price. On a £-per-square-foot basis, the last sale (£457/sq ft) was about 15.1% above the typical sold price in the postcode. Last sale on file: £605,000 in January 2021. 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

  • Bedrooms4
  • Bathrooms2

Outside

  • Private gardenSouth-facing
  • DrivewayYes
  • Cul-de-sacYes

Building

  • RefurbishedYes
Before you decide

Everything you need to know about 20 Roestock Gardens

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

Larger development activity nearby

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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.

20 Roestock Gardens ranks among the most efficient homes in the postcode for energy use.

Current Certificate(1 of 2)
Mar 2026

EPC Rating

A
B
C
C71
D
E
F
G
Main Heating
Gas
Main Fuel
Gas
Hot Water
Good
Windows
Average
CO2 Emissions
3.6 t/year
Occupancy
Owner Occupied

Certificate validity

Valid until 27 March 2036

9 years remaining

Property Improvements

Changes detected from historical EPC data

Mar 2026from Jun 2016
EPC improved fromD59toC71
Roof Insulation
InsulatedWell Insulated

Loft insulation upgraded to recommended levels

Low Energy Lighting
61%100%

More low energy lighting installed

Planning

Planning history

Applications and permits filed against 20 Roestock Gardens, Colney Heath, St Albans, AL4 0QJ, sourced from the PlanIt planning register.

20 Roestock Gardens has no planning applications on record.

2

But the area is active

2 notable applications nearby — larger schemes and conversions that could reshape the street. The report maps them all.

On the street

Versus other Roestock Gardens homes

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

On epc rating, 20 Roestock Gardens stands well clear of the street.

Price per m²

£4,919

Street avg £5,481

Below

Floor Area

123 m²

Street avg 98 m²

Above

Habitable Rooms

6 rooms

Street avg 5 rooms

Above

CO₂ Emissions

3.6 t/year

Street avg 4.7 t/year

Above
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

113/mo

Steady year-on-year across the wider district.

Nearest stop

0.3 km

Roestock Lane — bus stop.

Closest school

1.1 km

Colney Heath Junior Mixed Infant and Nursery School. 9 schools nearby.

Nearest schools

  • Colney Heath Junior Mixed Infant and Nursery SchoolPrimary1.1km
  • De Havilland Primary SchoolPrimary1.6km
  • St Mary's Church of England VA Primary School, Welham GreenPrimary1.7km
  • Oak View Primary and Nursery SchoolPrimary2.3km

Nearest stops

  • Roestock LaneBus stop275m
  • Hall GardensBus stop383m
  • Fellowes LaneBus stop506m
  • Roestock LaneBus stop525m

Most reported crime locally

  • Violence & Sexual Offences652 reports36%
  • Anti-social Behaviour358 reports20%
  • Criminal Damage & Arson159 reports9%
  • Vehicle Crime143 reports8%

Go deeper on the local area

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

SDL Surveying

Get a survey for this property

Level 3 Building Survey

Early 20th centurySemi-Detached HouseEPC CSolid (non-cavity) walls

Because the property has solid (non-cavity) walls, we believe a Level 3 building survey should be considered.

From £1,220 · Includes VAT

Comparables

Similar properties nearby

A handful of close matches in the same postcode area, ranked by likeness on bedrooms, type and floor area.
£849k

1 Boissy Close, Colney Heath Lane

AL4 0UE

4 bed3 bath
£849k

1 Coopers Gate, Colney Heath

AL4 0ND

4 bed
£880k

1 Cranwell Close

AL4 0SH

4 bed2 bath
£931k

1 Chivenor Place

AL4 0AD

4 bed2 bath
£941k

1 Church Croft

AL4 0GL

4 bed
£779k

1 Central Drive

AL4 0UU

3 bed1 bath
£754k

1 Barley Mow Lane

AL4 0RS

3 bed3 bath
£675k

1 Chestnut Drive

AL4 0EP

3 bed

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Method

How to read this page

Where every figure above comes from, how current it is and what it can't tell you.
Valuation method in detail
How the estimate is made
The estimate for 20 Roestock Gardens is modelled from its 123 m² EPC floor area, its 3 recorded sales and recent sales of comparable homes in AL4 0QJ. It is an automated estimate, not a survey or mortgage valuation: condition, layout and improvements that aren't on record can move the real figure either way.
Where sold prices come from
Sold prices are HM Land Registry Price Paid Data, which covers residential sales in England and Wales since 1995. 3 sales are recorded for 20 Roestock Gardens. Sales normally appear two to three months after completion, so the most recent ones take time to show up anywhere.
Reading the EPC
Energy Performance Certificates rate homes from A (most efficient) to G and last 10 years. The latest one for 20 Roestock Gardens was lodged in March 2026 at band C and is valid until March 2036. 2 certificates are on record, which shows how the home has changed.
Planning records
Planning applications are collected from local authority registers through PlanIt. None is matched to 20 Roestock Gardens. Councils sometimes file applications under a different address format, and applications on neighbouring land aren't listed here; the report covers both.
Area figures
Crime is police-recorded street-level data over the last 16 months, which places each incident at an approximate point. The 9 schools and 30 stops listed are measured in a straight line from AL4 0QJ, not by walking route.
Council tax band
20 Roestock Gardens is in council tax band E. Bands are set by the Valuation Office Agency from historic values (1 April 1991 in England, 1 April 2003 in Wales), not today's price; the amount you pay depends on the council's rate for the band.
FAQ

Common questions

The questions buyers, sellers and homeowners most often ask about 20 Roestock Gardens, Colney Heath, St Albans, AL4 0QJ. Each answer is also embedded as structured data for search engines.

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