Are you a property professional?Get qualified leads from motivated homeowners.
Get startedAre you a property professional?Get qualified leads from motivated homeowners.
Get started27 Christchurch Avenue is a four-bedroom semi-detached house in Harrow (HA3 8ND). It has a recorded floor area of 138 m² (around 1485 sq ft), construction records dating it to 1900-1929 and council tax band E. The latest certificate (September 2016) shows an E (score 53), well below the UK norm with real room to improve. The recommended improvements would lift it to B (score 82), a 3-band jump. Other recorded features include a loft. Our model identifies extension potential, subject to local planning policy.
On energy efficiency it sits in the bottom 10% of properties in this postcode — significant headroom for improvement. 9 years since the last transfer (January 2017). Today's modelled estimate of £803,000 is 19% above the 2017 sale price. One historical planning record sits against the property in 2017.
27 Christchurch Avenue sits at the bottom of the postcode for energy efficiency — meaningful headroom to improve.
Extension: Single storey · Rear of property
Single storey rear extension: extending 6 metres beyond the original rear wall 3.37 Metres maximum height 3 metres high to the eaves
27 Christchurch Avenue valuation sits well clear of the typical sold price in this postcode.
£803,000
Modelled from EPC, postcode comparables.
£675,000
Recorded with HM Land Registry.
Everything we know about this property, compiled into one in-depth, downloadable report.
Detailed AI analysis
27 Christchurch Avenue is notably below the street on epc rating.
Price per m²
£4,891
Street avg £9,253
Floor Area
138 m²
Street avg 139 m²
Habitable Rooms
7 rooms
Street avg 6 rooms
Daytime road noise here sits well below conversation level — a quiet pocket of the postcode.
Crime
5/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km

Daytime· 07:00 – 23:00
49.3dB

23 January 2017Most recent
£675,000
Median price across the last 5 sales in HA3 8ND: £570,000 (2025–2023).
An AI-written breakdown of everything that matters
Detailed EPC data
Full energy ratings, history and recommendations
Related properties
Comparable homes and street-level pricing
Full planning history
Every application and decision on record
Ad-free · Instant access · Secure Stripe checkout · One-off payment
CO₂ Emissions
7.2 t/year
Street avg 6.2 t/year
HA3 8QW
Kenton Library — bus stop.
Closest school
0.4 km
Priestmead Primary School and Nursery. 41 schools nearby.
Night-time· 23:00 – 07:00
38.8dB