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Get started51 Christchurch Avenue is a semi-detached house in Harrow (HA3 8NB). It has a recorded floor area of 90 m² (around 969 sq ft), construction records dating it to 1930-1949 and council tax band E. The latest certificate (July 2025) shows a C (score 75), near the top of the C band. When first surveyed in August 2014 the rating was F, the property has climbed 3 bands since. Between certificates, wall efficiency went from Very Poor to Good, roof efficiency went from Poor to Good and hot-water efficiency went from Poor to Good; while lighting dropped from Very Good to Good. The recommended improvements would push it to B (score 82).
Untraded for 30 years, with the last transfer in December 1995. Only one transfer is on record with HM Land Registry, suggesting it has stayed in the same hands for a long time. Today's modelled estimate of £608,000 sits 526.8% above the 1995 sale of £97,000. On a £-per-square-foot basis, the last sale (£100/sq ft) was about 57.9% below the postcode norm. Its energy rating outperforms most of the postcode (better than 86% of similar EPCs). One historical planning record sits against the property in 2018.
Widening of existing vehicle crossover
Latest sale on 51 Christchurch Avenue was the lowest on Land Registry record across the postcode.
£608,000
Modelled from EPC, postcode comparables.
£97,000
Recorded with HM Land Registry.
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Detailed AI analysis
51 Christchurch Avenue outperforms the street on years held by a wide margin.
Price per m²
£1,078
Street avg £4,097
Floor Area
90 m²
Street avg 117 m²
Habitable Rooms
5 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
0.2 km

Daytime· 07:00 – 23:00
48.1dB

Changes detected from historical EPC data
Hot water efficiency decreased
Roof insulation improved
Low energy lighting percentage decreased
Heating controls upgraded for better temperature management
Hot water system upgraded
Windows upgraded, improving insulation
Wall insulation improved
Low energy lighting percentage decreased
More low energy lighting installed
Loft insulation installed or upgraded to 250mm+
More low energy lighting installed
Wall insulation improved
More low energy lighting installed
Are we missing something? Tell us about home improvements to help adjust your valuation.
12 December 1995Most recent
£97,000
Median price across the last 5 sales in HA3 8NB: £625,000 (2023–2015).
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
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Street avg 6 rooms
CO₂ Emissions
2.2 t/year
Street avg 5.6 t/year
HA3 8ST
Kingshill Avenue (HA3) — bus stop.
Closest school
0.5 km
Elmgrove Primary School & Nursery. 42 schools nearby.
Night-time· 23:00 – 07:00
37.9dB