What type of property is 20 Walsham Close, HP1 1BW?

20 Walsham Close, HP1 1BW is a semi-detached house.

What did 20 Walsham Close, HP1 1BW sell for?

20 Walsham Close, HP1 1BW last sold for £762,500 in December 2022, around 4 years ago. Source: HM Land Registry.

What is the EPC rating for 20 Walsham Close, HP1 1BW?

The current EPC rating for 20 Walsham Close, HP1 1BW is B with a score of 85 out of 100, lodged in December 2022. Source: EPC Register.

What is the floor area of 20 Walsham Close, HP1 1BW?

20 Walsham Close, HP1 1BW has a recorded floor area of 166 m² (1,787 sq ft). That makes it about 73% larger than the median EPC-recorded property in HP1 1BW. Source: EPC Register.

How is 20 Walsham Close, HP1 1BW heated?

The latest EPC at 20 Walsham Close, HP1 1BW records gas: mains gas as the main heating fuel. Source: EPC Register.

Where is 20 Walsham Close, HP1 1BW located?

20 Walsham Close, HP1 1BW sits in Hemel Hempstead. It falls within the HP1 postcode district in Hertfordshire.

How safe is the area around 20 Walsham Close, HP1 1BW?

Police records around 20 Walsham Close, HP1 1BW show an average of 245 reported crimes per month over the last 14 months. Violent crime makes up roughly 34% of reports, the most common category. The overall trend is falling (15% versus the prior period). Source: Police UK.

Which schools serve 20 Walsham Close, HP1 1BW?

The closest primary school to 20 Walsham Close, HP1 1BW is Gade Valley Primary School (452m), one of 23 primaries within walking distance. The closest secondary is Laureate Academy (291m), with 4 secondaries in the surrounding area.

How well connected is 20 Walsham Close, HP1 1BW?

The closest bus stop to 20 Walsham Close, HP1 1BW is Laureate Academy, 101m away. In total there are 30 bus stops within the surrounding area.

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20 Walsham Close, Hemel Hempstead, HP1 1BW

EPC B

Estimated value

£783,000

Since the 2022 sale (£762,500)+3%
Against HP1 1BW's recent median (£575,000)+36%

Newest record on this page: February 2025. 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

Floor area

166 m²

1787 sq ft

Energy rating

Score 85

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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

£783,000

Against its 2022 sale (£762,500)+3%
Against HP1 1BW's recent median (£575,000)+36%

Your note and figure are shown publicly on this page.

How the estimate is made

The estimate for 20 Walsham Close is modelled from its 166 m² EPC floor area, its 1 recorded sale and recent sales of comparable homes in HP1 1BW. 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
166 m² from the EPC lodged in December 2022
Sales of this home
1 sale recorded, the latest in 2022
Recent sales in HP1 1BW
5 sales, median £575,000 (2025–2023)

This page or the full report?

Data	This page	Full report
Sales	Latest sale shown: February 2025	Latest available records, read when you order
Valuation	Estimate from the last refresh	Analysed against comparable sales
Planning	None on this home	Full history, plus nearby schemes
Flood risk	Not shown	Included

Price

Sales history & valuation

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

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

Sales timeline

16 December 2022Most recent
£762,500

Median price across the last 5 sales in HP1 1BW: £575,000 (2025–2023).

Nearby sales in HP1 1BW

Risks

What this page doesn't show

1 potential issue has already been flagged for 20 Walsham Close, Hemel Hempstead, HP1 1BW. 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

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Overview

About 20 Walsham Close

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

20 Walsham Close is a semi-detached house in Hemel Hempstead (HP1 1BW). It has a recorded floor area of 166 m² (around 1787 sq ft) and construction records dating it to 2020. The latest certificate (December 2022) returns a high B (score 85), putting the home a stone's throw from an A rating.

At 166 m² the property is well over the postcode median (86 m² across 18 EPCs), placing it in the larger end of the local stock. Most recent transfer: December 2022 at £762,500. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.

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Everything you need to know about 20 Walsham Close

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.

Current Certificate

Dec 2022

EPC Rating

B85

Main Heating

Electric & Gas

Main Fuel

Gas

Hot Water

Very Good

Windows

Very Good

CO2 Emissions

2.3 t/year

Occupancy

—

Certificate validity

Valid until 5 December 2032

6 years remaining

Planning

Planning history

Applications and permits filed against 20 Walsham Close, Hemel Hempstead, HP1 1BW, sourced from the PlanIt planning register.

20 Walsham Close 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.

On the street

Versus other Walsham Close homes

Four headline reads against 12 similar houses on this street, drawn from the latest EPC and Land Registry data.

20 Walsham Close is notably below the street on co₂ emissions.

Price per m²

£4,593

Street avg £5,444

Below

Floor Area

166 m²

Street avg 110 m²

Strongly above

CO₂ Emissions

2.3 t/year

Street avg 1.5 t/year

Strongly below

Years Held

4 years

Street avg 3 years

On par

Area

The neighbourhood at a glance

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

Full Hemel Hempstead report

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

Crime

245/mo

Falling year-on-year across the wider district.

Nearest stop

0.1 km

Laureate Academy — bus stop.

Closest school

0.3 km

Laureate Academy. 27 schools nearby.

Nearest schools

Laureate AcademySecondary291m
Gade Valley Primary SchoolPrimary452m
St Cuthbert Mayne Voluntary Catholic Junior AcademyPrimary496m
Micklem Primary SchoolPrimary561m

Nearest stops

Laureate AcademyBus stop101m
Gravel LaneBus stop298m
Laureate AcademyBus stop363m
Gadebridge RoadBus stop407m

Most reported crime locally

Violence & Sexual Offences1,150 reports34%
Anti-social Behaviour874 reports25%
Shoplifting270 reports8%
Criminal Damage & Arson244 reports7%

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 HP1 1BW from Defra's strategic mapping. The pin marks this postcode's centroid.

Daytime· 07:00 – 23:00

49.8dB

Low

Night-time road noise heatmap for HP1 1BW

Night-time· 23:00 – 07:00

40.2dB

Low

55 dB

60 dB

65 dB

70 dB

75 dB

80 dB

Defra Road Noise Strategic Mapping, Round 4

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21st centurySemi-Detached HouseEPC B

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Comparables

Similar properties nearby

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

£797k

1 Barberry Road

HP1 1SD

4 bed1 bath

£751k

1 Bayley Mead, St Johns Road

HP1 1US

1 bed1 bath

£821k

1 Bargrove Avenue

HP1 1QP

4 bed2 bath

£723k

1 Beechfield Road

HP1 1PW

4 bed1 bath

£698k

1 Counters Close

HP1 1SE

3 bed3 bath

£665k

1 Cemetery Hill

HP1 1JF

£931k

1 Cangels Close

HP1 1NJ

4 bed2 bath

£650k

1 Ashtree Way

HP1 1QS

2 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 Walsham Close is modelled from its 166 m² EPC floor area, its 1 recorded sale and recent sales of comparable homes in HP1 1BW. 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. 1 sale is recorded for 20 Walsham Close. 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 Walsham Close was lodged in December 2022 at band B and is valid until December 2032. Floor area, heating and insulation details on this page come from it.
Planning records: Planning applications are collected from local authority registers through PlanIt. None is matched to 20 Walsham Close. 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 14 months, which places each incident at an approximate point. The 27 schools and 30 stops listed are measured in a straight line from HP1 1BW, not by walking route. Road noise is Defra's strategic noise modelling, averaged across the postcode.

FAQ

Common questions

The questions buyers, sellers and homeowners most often ask about 20 Walsham Close, Hemel Hempstead, HP1 1BW. Each answer is also embedded as structured data for search engines.

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