Ardaragh, Roxborough Park, Harrow, HA1 3BA
About Ardaragh
Ardaragh is a five-bedroom detached house in Harrow (HA1 3BA). It has a recorded floor area of 176 m² (around 1890 sq ft), construction records dating it to 1900-1929 and council tax band G. The latest certificate (October 2008) shows an E (score 42), well below the UK norm with real room to improve. The latest certificate is from October 2008, so improvements made since then won't be reflected. Other recorded features include a conservatory.
At 176 m² the property is well over the postcode median (56 m² across 40 EPCs), placing it in the larger end of the local stock. It lags the bulk of the postcode on energy efficiency (less efficient than 80% of similar EPCs). 5 bedrooms is on the larger side for this postcode, where 3 is the typical count. 2 planning records sit against the property, 1 approved, 1 refused. Past consents include an extension, meaningful when judging how the property has evolved. Across 2001–2015, sale prices on this property compounded at 4.4% per year. Today's modelled estimate of £1,326,000 is 17.4% above the 2015 sale price. On a £-per-square-foot basis, the last sale (£597/sq ft) was about 82% above the typical sold price in the postcode. Last changed hands 11 years ago, in August 2015.
Know exactly what you're buying at Ardaragh
Before you offer, see what the listing won't tell you, the true value, the red flags and the full history.
Already flagged here
Valuation
against the asking price
Risks
planning & flood
Sold prices
similar homes nearby
Trends
the local market
What this property has
Inside
- Bedrooms5
- Bathrooms2
- CloakroomYes
- EnsuiteYes
- ConservatoryYes
Outside
- Private gardenYes
- DrivewayYes
Energy performance
Ardaragh'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This certificate is over 10 years old and is no longer valid.Expired 13 Oct 2018
EPC Rating
Planning history
Ardaragh has 2 separate extension applications on the council record.
- Oct 2005ExtensionFullIn report
Extension: Single storey · Rear of property
Single storey rear extension
- Reference
- P/2026/05/DFU
- May 2005ExtensionFullIn report
Extension: Single storey · Rear of property
Single storey rear extension
- Reference
- P/798/05/DFU
We flagged 1 thing worth checking at Ardaragh
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
30-day money-back guarantee
Sales history & valuation
Ardaragh valuation sits well clear of the typical sold price in this postcode.
£1,326,000
Modelled from EPC, postcode comparables and a sale-price growth of 4.4% per year over 14 years.
£1,129,000
Growth on file: 4.4% per year over 14 years.
Sales timeline
30 August 2015Most recent
£1,129,000
+41.1%over 6 years25 June 2009
£800,000
+28.0%over 7 years13 November 2001
£625,000
Median price across the last 5 sales in HA1 3BA: £305,000 (2025–2023).
Nearby sales in HA1 3BA
Hale Lodge, Flat 12, 51 Roxborough Park, Harrow, HA1 3BA
Sold Mar 2025
£315,000Flat 1, 17 Roxborough Park, Harrow, HA1 3BA
Sold Dec 2024
£305,00049b, Roxborough Park, Harrow, HA1 3BA
Sold Oct 2024
£265,50049c, Roxborough Park, Harrow, HA1 3BA
Sold Nov 2023
£279,00019a, Roxborough Park, Harrow, HA1 3BA
Sold Oct 2023
£337,000
Everything we know about Ardaragh, 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

Versus other Roxborough Park homes
Ardaragh is notably below the street on co₂ emissions.
Price per m²
£6,431
Street avg £5,042
Floor Area
176 m²
Street avg 126 m²
Habitable Rooms
8 rooms
Street avg 7 rooms
CO₂ Emissions
13.0 t/year
Street avg 7.9 t/year
Similar properties nearby
The neighbourhood at a glance
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
Harrow-on-the-Hill Station — bus stop.
Closest school
0.3 km
St Anselm's Catholic Primary School. 38 schools nearby.
Go deeper on the local area
The full report breaks down crime, transport links, schools and air quality in depth.
Road noise across the postcode

Daytime· 07:00 – 23:00
55.4dB

Night-time· 23:00 – 07:00
45.4dB