What kind of home is 21 Holbrook Gardens, WD25 8AB?

21 Holbrook Gardens, WD25 8AB is a 5-bedroom detached house.

When did 21 Holbrook Gardens, WD25 8AB last change hands?

21 Holbrook Gardens, WD25 8AB last sold for £1,777,000 in July 2010, around 16 years ago. Before that, it sold for £1,775,000 in September 2006, so prices have been flat over 4 years on record. Source: HM Land Registry.

How has the value of 21 Holbrook Gardens, WD25 8AB changed over time?

Across 2 sales between September 2006 and July 2010, 21 Holbrook Gardens, WD25 8AB rose from £1,775,000 to £1,777,000, a change of £2,000. Source: HM Land Registry.

What energy rating does 21 Holbrook Gardens, WD25 8AB have?

The current EPC rating for 21 Holbrook Gardens, WD25 8AB is C with a score of 80 out of 100, lodged in February 2026. The assessor estimates the property could reach a B. Source: EPC Register.

How big is 21 Holbrook Gardens, WD25 8AB?

21 Holbrook Gardens, WD25 8AB has a recorded floor area of 391 m² (4,209 sq ft), around 78 m² per bedroom. That makes it about 66% larger than the median EPC-recorded property in WD25 8AB. Source: EPC Register.

What heating system does 21 Holbrook Gardens, WD25 8AB use?

The latest EPC at 21 Holbrook Gardens, WD25 8AB records mains gas as the main heating fuel. Source: EPC Register.

What is the council tax band for 21 Holbrook Gardens, WD25 8AB?

21 Holbrook Gardens, WD25 8AB is in council tax band H. That sits towards the upper end of the band ladder, typically reflecting larger or higher-value homes.

Which area is 21 Holbrook Gardens, WD25 8AB in?

21 Holbrook Gardens, WD25 8AB sits in Aldenham, Watford, Watford. It falls within the WD25 postcode district in Hertfordshire.

How safe is the area around 21 Holbrook Gardens, WD25 8AB?

Police records around 21 Holbrook Gardens, WD25 8AB show an average of 214 reported crimes per month over the last 13 months. Violent crime makes up roughly 36% of reports, the most common category. The overall trend is falling (15% versus the prior period). Source: Police UK.

What schools are near 21 Holbrook Gardens, WD25 8AB?

The closest primary school to 21 Holbrook Gardens, WD25 8AB is Fair Field Junior School (1.6km), one of 9 primaries within walking distance. The closest secondary is Queens' School (2.5km), with 2 secondaries in the surrounding area.

How well connected is 21 Holbrook Gardens, WD25 8AB?

The closest bus stop to 21 Holbrook Gardens, WD25 8AB is St John's Church, 737m away. The nearest rail option is Garston (Herts) Rail Station, 1.8km away.

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21 Holbrook Gardens, Aldenham, Watford, WD25 8AB

Property type

Detached

Bedrooms

Floor area

391 m²

4209 sq ft

Energy rating

Score 80

Council tax

Band H

Tenure

Owner Occupied

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Overview

About 21 Holbrook Gardens

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

21 Holbrook Gardens is a five-bedroom detached house in Aldenham, Watford, Watford (WD25 8AB). It has a recorded floor area of 391 m² (around 4209 sq ft), construction records dating it to 2003-2006 and council tax band H. The latest certificate (February 2026) shows a C (score 80), near the top of the C band. The rating has held steady at C across 2 certificates since October 2008. Between certificates, lighting went from Very Poor to Good; while roof efficiency dropped from Good to Average and window efficiency dropped from Good to Average. The recommended improvements would push it to B (score 81). This certificate was lodged in the last six months, so the rating reflects current condition.

It hasn't traded since July 2010, a hold of 16 years that's notably long for the area. At 391 m² the property is well over the postcode median (236 m² across 14 EPCs), placing it in the larger end of the local stock. 5 bedrooms is on the larger side for this postcode, where 3 is the typical count. Today's modelled estimate of £3,156,000 sits 77.6% above the 2010 sale of £1,777,000.

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

Bedrooms5

Before you decide

Everything you need to know about 21 Holbrook Gardens

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

Larger development activity nearby

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The data behind every report

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 Holbrook Gardens's carbon output runs well above what efficient homes in the postcode produce.

Current Certificate(1 of 2)

Feb 2026

EPC Rating

C80

Main Heating

Electric & Gas

Main Fuel

Gas

Hot Water

Good

Windows

Average

CO2 Emissions

7.0 t/year

Occupancy

Owner Occupied

Certificate validity

Valid until 20 February 2036

9 years remaining

Property Improvements

Changes detected from historical EPC data

Feb 2026from Oct 2008

Low Energy Lighting

4%100%

More low energy lighting installed

Get a survey for this property

Level 3 Building Survey

21st centuryDetached HouseEPC CDetached over 300m²

Because the property is a large detached home over 300m², we believe a Level 3 building survey should be considered.

Planning

Planning history

Applications and permits filed against 21 Holbrook Gardens, Aldenham, Watford, WD25 8AB, sourced from the PlanIt planning register.

21 Holbrook Gardens has no planning applications on record.

But the area is active

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

Price

Sales history & valuation

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

21 Holbrook Gardens valuation sits well clear of the typical sold price in this postcode.

Current estimate

£3,156,000

Modelled from EPC, postcode comparables.

See how we calculated this

Last sold (2010)

£1,777,000

Recorded with HM Land Registry.

Sales timeline

1 July 2010Most recent
£1,777,000
7 September 2006
£1,775,000

Median price across the last 5 sales in WD25 8AB: £1,415,000 (2025–2017).

Nearby sales in WD25 8AB

On the street

Versus other Holbrook Gardens homes

Four headline reads against 14 similar houses on this street, drawn from the latest EPC and Land Registry data.

On habitable rooms, 21 Holbrook Gardens stands well clear of the street.

Price per m²

£4,545

Street avg £5,123

On par

Floor Area

391 m²

Street avg 252 m²

Strongly above

Habitable Rooms

10 rooms

Street avg 7 rooms

Strongly above

CO₂ Emissions

7.0 t/year

Street avg 6.3 t/year

Below

Before you decide

Everything you need to know about 21 Holbrook Gardens

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

Larger development activity nearby

Pick your report · from £14.99

One time fee only - money back guarantee

The data behind every report

Comparables

Similar properties nearby

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

£1.1m

1 Church Farm Cottages, Church Lane, Aldenham

WD25 8NA

5 bed

£1.5m

1 Holbrook Gardens, Aldenham

WD25 8AB

3 bed2 bath

£890k

1 Middle Down, Aldenham

WD25 8BW

3 bed2 bath

£660k

1 Dairy Cottages, Church Lane, Aldenham

WD25 8AL

3 bed

£1.9m

1 Canter Close, Aldenham

WD25 8EX

£624k

1 Landor Cottages, Back Lane, Letchmore Heath

WD25 8EL

3 bed1 bath

£1.4m

1 6 Almshouses, Summerhouse Lane, Aldenham

WD25 8DU

£1.2m

1 Morgan Gardens, Aldenham

WD25 8BF

Area

The neighbourhood at a glance

A condensed read of the local area. Each tile links through to the full breakdown on the Watford district page.

Full Watford report

Daytime road noise here sits well below conversation level — a quiet pocket of the postcode.

Crime

214/mo

Falling year-on-year across the wider district.

Nearest stop

0.7 km

St John's Church — bus stop.

Closest school

1.6 km

Fair Field Junior School. 11 schools nearby.

Go deeper on the local area

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

Noise

Road noise across the postcode

Modelled day and night-time noise levels around WD25 8AB from Defra's strategic mapping. The pin marks this postcode's centroid.

Daytime· 07:00 – 23:00

45.8dB

Low

Night-time road noise heatmap for WD25 8AB

Night-time· 23:00 – 07:00

40.4dB

Low

55 dB

60 dB

65 dB

70 dB

75 dB

80 dB

Defra Road Noise Strategic Mapping, Round 4

FAQ

Common questions

The questions buyers, sellers and homeowners most often ask about 21 Holbrook Gardens, Aldenham, Watford, WD25 8AB. Each answer is also embedded as structured data for search engines.