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Get startedFlat 4 is a semi-detached house in Christchurch (BH23 1QL). It has a recorded floor area of 59 m² (around 635 sq ft), construction records dating it to 1976-1982 and council tax band B. The latest certificate (January 2022) shows a D (score 60), on the cusp of jumping into the C band. When first surveyed in June 2011 the rating was F, the property has climbed 2 bands since. Between certificates, wall efficiency went from Poor to Average, roof efficiency went from Very Poor to Poor and lighting went from Poor to Very Good; while window efficiency dropped from Good to Average and hot-water efficiency dropped from Poor to Very Poor. The recommended improvements would push it to C (score 80). Main heating runs on electricity. At 59 m² this is the 7th smallest of 8 units on EPC record in the building, where floor areas span 44–59 m². The building's EPC ratings span E to C across 8 units on file.
Sale prices here have outpaced England HPI: 2.8% per year against 0% for the wider region. On a £-per-square-foot basis, the last sale (£220/sq ft) was about 30.6% above the typical sold price in the postcode. Last changed hands 10 years ago, in May 2016.
Flat 4 valuation sits well clear of the typical sold price in this postcode.
£148,000
Modelled from EPC, postcode comparables and a sale-price growth of 2.8% per year over 12 years.
£139,950
Growth on file: 2.8% per year over 12 years.
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Detailed AI analysis
CO₂ Emissions for Flat 4 lags the street by a wide margin.
Price per m²
£2,372
Street avg £2,486
Floor Area
59 m²
Street avg 54 m²
Habitable Rooms
3 rooms
Street avg 3 rooms
Rail-style transport is unusually close for this postcode.
Crime
2/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
Bargates — bus stop.

Daytime· 07:00 – 23:00
51.9dB

Changes detected from historical EPC data
Heating system changed
Heating controls upgraded for better temperature management
Hot water system changed
Windows upgraded, improving insulation
Heating system upgraded to a more efficient system
Heating controls changed
Hot water system upgraded
Wall insulation upgraded
Roof insulation improved
More low energy lighting installed
Are we missing something? Tell us about home improvements to help adjust your valuation.
27 May 2016Most recent
£139,950
+20.6%over 3 years15 April 2013
£116,000
+17.2%over 9 years1 December 2003
£99,000
Median price across the last 5 sales in BH23 1QL: £145,000 (2025–2021).
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CO₂ Emissions
3.8 t/year
Street avg 2.3 t/year
BH23 1BW
Closest school
0.4 km
Twynham School. 17 schools nearby.
Night-time· 23:00 – 07:00
43.7dB