7 Carlyon Avenue, Harrow, HA2 8SU
About 7 Carlyon Avenue
7 Carlyon Avenue is a three-bedroom semi-detached house in Harrow (HA2 8SU). It has a recorded floor area of 77 m² (around 829 sq ft), construction records dating it to 1900-1929 and council tax band D. The latest certificate (April 2021) shows a D (score 63), on the cusp of jumping into the C band. The recommended improvements would lift it to B (score 86), a 2-band jump. Other recorded features include outbuildings.
2 planning records sit against the property, 2 approved, 0 refused. Past consents include an extension, a porch, partial demolition and a loft conversion, meaningful when judging how the property has evolved. Today's modelled estimate of £626,000 is 26.5% above the 2021 sale price. On a £-per-square-foot basis, the last sale (£597/sq ft) was about 67.1% above the typical sold price in the postcode. Last sale on file: £495,000 in June 2021. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.
Know exactly what you're buying at 7 Carlyon Avenue
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
- Bedrooms3
- Bathrooms1
- Open-plan layoutYes
- Dining roomYes
- Utility roomYes
- EnsuiteYes
Outside
- Private gardenRear
- ParkingOff road
- OutbuildingsYes
Building
- RefurbishedYes
Energy performance
Recommended upgrades on file would lift this property by multiple EPC bands.
EPC Rating
Planning history
Planning history includes recorded demolition works, indicating a major rebuild phase at this address.
- Aug 2021PorchFullIn report
Single storey front extension incorporating front porch and garage; single storey side to rear extension; external alterations (demolition of side to rear extension)
ExtensionDemolition- Documents
- 15 docs on file
- Reference
- P/2636/21
- Aug 2021Loft ConversionAmendmentIn report
CERTIFICATE OF LAWFUL DEVELOPMENT (PROPOSED): Alterations to roof to form end gable, rear dormer, insertion of one rooflight in front roofslope and window in side of end gable
- Documents
- 10 docs on file
- Reference
- P/2633/21
We flagged 2 things worth checking at 7 Carlyon Avenue
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.
- Signs of HMO activity in the area
- Larger development activity nearby
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Sales history & valuation
Latest sale on 7 Carlyon Avenue was the highest on Land Registry record across the postcode.
£626,000
Modelled from EPC, postcode comparables.
£495,000
Recorded with HM Land Registry.
Sales timeline
10 June 2021Most recent
£495,000
Median price across the last 5 sales in HA2 8SU: £400,000 (2021–2006).
Everything we know about 7 Carlyon Avenue, in one report
What it's really worth, what could be wrong, and the planning, sales and area data in full.
What we flagged
- Signs of HMO activity in the area
- Larger development activity nearby

Versus other Carlyon Avenue homes
Habitable Rooms for 7 Carlyon Avenue lags the street by a wide margin.
Price per m²
£6,429
Street avg £4,032
Floor Area
77 m²
Street avg 95 m²
Habitable Rooms
4 rooms
Street avg 5 rooms
CO₂ Emissions
3.5 t/year
Street avg 3.7 t/year
Similar properties nearby
1 Maple Avenue
HA2 8DG
1 Corfe Avenue
HA2 8TA
1 Balmoral Road
HA2 8TF
1 Brendon Gardens
HA2 8NE
1 Hadleigh Close
HA2 8FA
1 Ivy Close
HA2 8RX
1 Barnetts Court, Corbins Lane
HA2 8EU
1 Fentiman Way
HA2 8FD
The neighbourhood at a glance
Rail-style transport is unusually close for this postcode.
Crime
6/mo
Rising year-on-year across the wider district.
Nearest stop
0.5 km
Danemead Grove — bus stop.
Closest school
0.4 km
Earlsmead Primary School. 40 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
52.1dB

Night-time· 23:00 – 07:00
42.4dB