What kind of home is Thornlea, Flat 3, Mount Park Avenue, HA1 3JW?

Thornlea, Flat 3, Mount Park Avenue, HA1 3JW is a 3-bedroom semi-detached house.

What did Thornlea, Flat 3, Mount Park Avenue, HA1 3JW sell for?

Thornlea, Flat 3, Mount Park Avenue, HA1 3JW last sold for £570,000 in November 2012, around 14 years ago. Before that, it sold for £325,000 in January 2002, so prices have been rising over 11 years on record. Source: HM Land Registry.

What is the price history for Thornlea, Flat 3, Mount Park Avenue, HA1 3JW?

Across 2 sales between January 2002 and November 2012, Thornlea, Flat 3, Mount Park Avenue, HA1 3JW rose from £325,000 to £570,000, a change of £245,000. That works out to roughly +5.3% per year compounded over 11 years. Source: HM Land Registry.

How energy efficient is Thornlea, Flat 3, Mount Park Avenue, HA1 3JW?

The current EPC rating for Thornlea, Flat 3, Mount Park Avenue, HA1 3JW is D with a score of 59 out of 100, lodged in September 2011. Source: EPC Register.

How big is Thornlea, Flat 3, Mount Park Avenue, HA1 3JW?

Thornlea, Flat 3, Mount Park Avenue, HA1 3JW has a recorded floor area of 110 m² (1,186 sq ft), around 37 m² per bedroom. Source: EPC Register.

What heating system does Thornlea, Flat 3, Mount Park Avenue, HA1 3JW use?

The latest EPC at Thornlea, Flat 3, Mount Park Avenue, HA1 3JW records mains gas as the main heating fuel. Source: EPC Register.

Are there any planning records for Thornlea, Flat 3, Mount Park Avenue, HA1 3JW?

Thornlea, Flat 3, Mount Park Avenue, HA1 3JW has 5 planning records on file (3 approved), most recent in December 2020. Source: PlanIt planning register.

What is the council tax band for Thornlea, Flat 3, Mount Park Avenue, HA1 3JW?

Thornlea, Flat 3, Mount Park Avenue, HA1 3JW is in council tax band F. That sits towards the upper end of the band ladder, typically reflecting larger or higher-value homes.

Which area is Thornlea, Flat 3, Mount Park Avenue, HA1 3JW in?

Thornlea, Flat 3, Mount Park Avenue, HA1 3JW sits in Harrow. It falls within the HA1 postcode district in Greater London Authority.

How safe is the area around Thornlea, Flat 3, Mount Park Avenue, HA1 3JW?

Police records around Thornlea, Flat 3, Mount Park Avenue, HA1 3JW show an average of 28 reported crimes per month over the last 8 months. Violent crime makes up roughly 60% of reports, the most common category. The overall trend is broadly stable. Source: Police UK.

What schools are near Thornlea, Flat 3, Mount Park Avenue, HA1 3JW?

The closest primary school to Thornlea, Flat 3, Mount Park Avenue, HA1 3JW is Roxeth Primary School (290m), one of 22 primaries within walking distance. The closest secondary is St Dominic's Sixth Form College (87m), with 6 secondaries in the surrounding area.

What is the nearest station to Thornlea, Flat 3, Mount Park Avenue, HA1 3JW?

The closest bus stop to Thornlea, Flat 3, Mount Park Avenue, HA1 3JW is Roxeth Hill, 205m away. The nearest underground option is South Harrow Underground Station, 715m away.

Calculators

Featured

UK House Price Map

30 years of UK sold prices mapped by postcode district.

Postcode-level detail
Compare areas side by side

Open the map

Thornlea, Flat 3, Mount Park Avenue, Harrow, HA1 3JW

5 planning records

Property type

Semi-detached

Floor 2nd

Bedrooms

Floor area

110 m²

1186 sq ft

Energy rating

Score 59

Council tax

Band F

Tenure

Owner Occupied

Overview

About Thornlea

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

Thornlea is a three-bedroom semi-detached house in Harrow (HA1 3JW). It has a recorded floor area of 110 m² (around 1186 sq ft), construction records dating it to before 1900 and council tax band F. The latest certificate (September 2011) shows a D (score 59), a step below the typical UK home. The latest certificate is from September 2011, so improvements made since then won't be reflected.

5 planning records sit against the property, 3 approved, 0 refused. Past consents include tree works, meaningful when judging how the property has evolved. 14 years since the last transfer (November 2012). Across 2002–2012, sale prices on this property compounded at 5.3% per year. Today's modelled estimate of £680,000 is 19.3% above the 2012 sale price.

Before you offer

Know exactly what you're buying at Thornlea

Before you offer, see what the listing won't tell you, the true value, the red flags and the full history.

Already flagged here

Larger development activity nearby

£14.99

Trusted by UK homebuyers

Valuation

against the asking price

Risks

planning & flood

Sold prices

similar homes nearby

Trends

the local market

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
EnsuiteYes

Outside

Private gardenYes
ParkingYes

Building

RefurbishedYes

Energy

Energy performance

Every EPC certificate filed against this property — current rating, recorded improvements, and where there's headroom to reach a higher band.

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

EPC Expired

This certificate is over 10 years old and is no longer valid.Expired 22 Sept 2021

EPC Rating

D59

Main Heating

Gas

Main Fuel

Gas

Hot Water

Good

Windows

Poor

CO2 Emissions

7.4 t/year

Occupancy

Owner Occupied

Planning

Planning history

Applications and permits filed against Thornlea, Flat 3, Mount Park Avenue, Harrow, HA1 3JW, sourced from the PlanIt planning register.

Dec 2020
Tree WorksTrees
In report
A1 Hornbeam (rear garden, flat 1): Raise lower crown to approximately 5m above ground level A1 Oak (flat 2 rear boundary): Remove major deadwood more than 50mm diameter and greater than 0.5m length A1 Judas tree (rear garden flat 2): Crown Reduce by removing approximately 0.5m all over A1 Holm Oak (rear garden flat 2): Trim back side growing towards adjacent elm to provide 1.5m clearance A1 Corsican pine (rear garden flat 2, rear bdry): Remove major deadwood more than 50mm diameter and greater than 0.5m length. Tip reduce back lowest 2 x overextended limbs growing over lawn area by removing approx 3-4m to being in line with previously pruned limb below A1 Corsican Pine (front garden of flat 2, behind garages): Remove majoe deadwood more than 50mm diameter and greater than 0.5m length
Council
04
Documents
7 docs on file
Reference
P/3222/20
View planning record
Aug 2014
Tree WorksTrees
In report
5 X lime 1 x sycamore (rear of property): crown lift & thin as required holly: fell. Tree restricting growth of neigbouring trees. Magnolia (side): prune / thin as required
Documents
3 docs on file
Reference
P/2227/14
View planning record

Before you offer

We flagged 1 thing worth checking at Thornlea

Independent checks surfaced things a buyer would want to understand before offering. The report explains each one in full, with the underlying data and what to ask.

Larger development activity nearby

£14.99

30-day 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.

Current estimate

£680,000

Modelled from EPC, postcode comparables and a sale-price growth of 5.3% per year over 11 years.

See how we calculated this

Last sold (2012)

£570,000

Growth on file: 5.3% per year over 11 years.

Sales timeline

26 November 2012Most recent
£570,000
+75.4%over 10 years
31 January 2002
£325,000

Median price across the last 5 sales in HA1 3JW: £1,380,000 (2024–2007).

Nearby sales in HA1 3JW

Before you offer

Everything we know about Thornlea, in one report

What it's really worth, what could be wrong, and the planning, sales and area data in full.

What we flagged

Larger development activity nearby

£14.99

Trusted by UK homebuyers

On the street

Versus other Mount Park Avenue homes

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

Thornlea is notably below the street on co₂ emissions.

EPC Rating

59 (D)

Street avg 60 (D)

On par

Floor Area

110 m²

Street avg 57 m²

Above

CO₂ Emissions

7.4 t/year

Street avg 3.8 t/year

Strongly below

Habitable Rooms

3 rooms

Street avg 2 rooms

Above

Comparables

Similar properties nearby

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

£550k

Aboyne, Flat 2, Waldron Road

HA1 3LN

Flat

£271k

Ambassador House, Flat 1, 2 Cavendish Avenue

HA1 3RW

Flat1 bed1 bath

£476k

Aboyne, Flat 3, Waldron Road

HA1 3LN

Flat

£465k

Aboyne, Flat 4, Waldron Road

HA1 3LN

Flat

£369k

Ambassador House, Flat 10, 2 Cavendish Avenue

HA1 3RW

Flat

£366k

158a, Flat A, Greenford Road

HA1 3QS

Flat

£345k

Ambassador House, Flat 11, 2 Cavendish Avenue

HA1 3RW

Flat

£332k

51a, Flat 3, Roxborough Park

HA1 3BA

Flat

Area

The neighbourhood at a glance

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

Full Harrow report

Rail-style transport is unusually close for this postcode.

Crime

28/mo

Steady year-on-year across the wider district.

Nearest stop

0.2 km

Roxeth Hill — bus stop.

Closest school

0.1 km

St Dominic's Sixth Form College. 28 schools nearby.

Go deeper on the local area

The full 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 HA1 3JW from Defra's strategic mapping. The pin marks this postcode's centroid.

Daytime· 07:00 – 23:00

48.7dB

Low

Night-time road noise heatmap for HA1 3JW

Night-time· 23:00 – 07:00

40.5dB

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 Thornlea, Flat 3, Mount Park Avenue, Harrow, HA1 3JW. Each answer is also embedded as structured data for search engines.