What type of property is 1 Grass Hays, HP21 7AJ?

1 Grass Hays, HP21 7AJ is a 4-bedroom semi-detached house.

When did 1 Grass Hays, HP21 7AJ last change hands?

1 Grass Hays, HP21 7AJ last sold for £400,000 in February 2021, around 5 years ago. Source: HM Land Registry.

How energy efficient is 1 Grass Hays, HP21 7AJ?

The current EPC rating for 1 Grass Hays, HP21 7AJ is D with a score of 66 out of 100, lodged in June 2020. The assessor estimates the property could reach a C. Source: EPC Register.

What is the floor area of 1 Grass Hays, HP21 7AJ?

1 Grass Hays, HP21 7AJ has a recorded floor area of 113 m² (1,216 sq ft), around 28 m² per bedroom. That makes it about 14% larger than the median EPC-recorded property in HP21 7AJ. Source: EPC Register.

How is 1 Grass Hays, HP21 7AJ heated?

The latest EPC at 1 Grass Hays, HP21 7AJ records mains gas as the main heating fuel. Source: EPC Register.

What council tax band is 1 Grass Hays, HP21 7AJ?

1 Grass Hays, HP21 7AJ is in council tax band E.

Where is 1 Grass Hays, HP21 7AJ located?

1 Grass Hays, HP21 7AJ sits in Aylesbury. It falls within the HP21 postcode district in Buckinghamshire.

What is crime like near 1 Grass Hays, HP21 7AJ?

Police records around 1 Grass Hays, HP21 7AJ show an average of 175 reported crimes per month over the last 15 months. Violent crime makes up roughly 47% of reports, the most common category. The overall trend is broadly stable. Source: Police UK.

Which schools serve 1 Grass Hays, HP21 7AJ?

The closest primary school to 1 Grass Hays, HP21 7AJ is Bedgrove Junior School (465m), one of 17 primaries within walking distance. The closest secondary is The Grange School (1.4km), with 5 secondaries in the surrounding area.

What transport links are near 1 Grass Hays, HP21 7AJ?

The closest bus stop to 1 Grass Hays, HP21 7AJ is Welbeck Avenue, 134m away. In total there are 30 bus stops within the surrounding area.

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1 Grass Hays, Aylesbury, HP21 7AJ

Property type

Semi-detached

Bedrooms

Bathrooms

Floor area

113 m²

1216 sq ft

Energy rating

Score 66

Council tax

Band E

Tenure

Owner Occupied

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Overview

About 1 Grass Hays

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

1 Grass Hays is a four-bedroom semi-detached house in Aylesbury (HP21 7AJ). It has a recorded floor area of 113 m² (around 1216 sq ft), construction records dating it to 1967-1975 and council tax band E. The latest certificate (June 2020) shows a D (score 66), on the cusp of jumping into the C band. The rating has held steady at D across 2 certificates since March 2010. Between certificates, roof efficiency dropped from Very Good to Good and hot-water efficiency dropped from Very Good to Good. The recommended improvements would push it to C (score 80).

At 113 m² it's 15.3% larger than the typical home in the postcode (98 m² median across 6 EPCs). Today's modelled estimate of £479,000 is 19.8% above the 2021 sale price. On a £-per-square-foot basis, the last sale (£329/sq ft) was about 23.8% above the typical sold price in the postcode. Sold February 2021 for £400,000. 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

Bedrooms4
Bathrooms2
Dining roomYes
EnsuiteYes
FireplaceYes

Outside

Private gardenRear
DrivewayYes

Before you decide

Everything you need to know about 1 Grass Hays

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

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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(1 of 2)

Jun 2020

EPC Rating

D66

Main Heating

Gas

Main Fuel

Gas

Hot Water

Good

Windows

Average

CO2 Emissions

4.4 t/year

Occupancy

Owner Occupied

Certificate validity

Valid until 16 June 2030

3 years remaining

Property Improvements

Changes detected from historical EPC data

Jun 2020from Mar 2010

Heating Controls

Prog + StatFull

Heating controls upgraded for better temperature management

Hot Water

Very GoodGood

Hot water efficiency decreased

Windows

Mostly DoubleFull Double

Windows upgraded, improving insulation

Get a survey for this property

Level 3 Building Survey

Late 20th centurySemi-Detached HouseEPC DExtended multiple times (2+ extensions)

Because the property has been extended more than once, we believe a Level 3 building survey should be considered.

From £1,020 · Includes VAT

Planning

Planning history

Applications and permits filed against 1 Grass Hays, Aylesbury, HP21 7AJ, sourced from the PlanIt planning register.

1 Grass Hays has no planning applications on record.

But the area is active

3 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.

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

Current estimate

£479,000

Modelled from EPC, postcode comparables.

See how we calculated this

Last sold (2021)

£400,000

Recorded with HM Land Registry.

Sales timeline

26 February 2021Most recent
£400,000

Median price across the last 5 sales in HP21 7AJ: £348,000 (2025–2020).

Nearby sales in HP21 7AJ

On the street

Versus other Grass Hays homes

Four headline reads against 6 similar houses on this street, drawn from the latest EPC and Land Registry data.

Price per m²

£3,540

Street avg £3,511

On par

Floor Area

113 m²

Street avg 101 m²

Above

Habitable Rooms

6 rooms

Street avg 5 rooms

On par

CO₂ Emissions

4.4 t/year

Street avg 4.0 t/year

Below

Before you decide

Everything you need to know about 1 Grass Hays

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

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.

£573k

1 Ash Grove

HP21 7PU

4 bed

£395k

1 Cam Mead

HP21 7DZ

4 bed1 bath

£639k

1 Allonby Way

HP21 7JA

4 bed

£494k

1 Byron Road

HP21 7LU

3 bed1 bath

£440k

1 Claremont Close

HP21 7NR

3 bed

£557k

1 Canford Court

HP21 7NZ

5 bed3 bath

£382k

1 Braden Close

HP21 7JU

3 bed1 bath

£353k

1 Chadwell Path

HP21 7EL

3 bed1 bath

Area

The neighbourhood at a glance

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

Full Aylesbury report

Crime

175/mo

Steady year-on-year across the wider district.

Nearest stop

0.1 km

Welbeck Avenue — bus stop.

Closest school

0.5 km

Bedgrove Junior School. 22 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 HP21 7AJ from Defra's strategic mapping. The pin marks this postcode's centroid.

Daytime· 07:00 – 23:00

51.0dB

Low

Night-time road noise heatmap for HP21 7AJ

Night-time· 23:00 – 07:00

41.0dB

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 1 Grass Hays, Aylesbury, HP21 7AJ. Each answer is also embedded as structured data for search engines.