Flat 1, 16 Castle Street, Christchurch, BH23 1DT
About Flat 1
Flat 1 is a property in Christchurch (BH23 1DT). It has a recorded floor area of 76 m² (around 818 sq ft), construction records dating it to before 1900 and council tax band C. At 76 m² this is the smallest unit on EPC record across the building (76–78 m²). The building's EPC ratings span E to C across 3 units on file. The latest certificate (June 2026) shows a D (score 57), a step below the typical UK home. The recommended improvements would push it to C (score 71). This certificate was lodged in the last six months, so the rating reflects current condition.
Held since August 2001 — that's 25 years off the open market, well above the local norm. Across 1995–2001, sale prices on this property compounded at 18.3% per year. Today's modelled estimate of £274,000 sits 110.8% above the 2001 sale of £130,000. On a £-per-square-foot basis, the last sale (£159/sq ft) was about 46.5% below the postcode norm.
Energy performance
The EPC has just been inspected, so the rating reflects current condition.
EPC Rating
Certificate validity
Valid until 28 June 2036
Get a survey for this property
Level 3 Building Survey
Because the property was built before 1919 and has solid (non-cavity) walls, we believe a Level 3 building survey should be considered.
From £885 · Includes VAT
Planning history
Flat 1 has no planning applications on record.
A planning report still maps activity across the surrounding area and reads this property's extension & conversion potential.
Sales history & valuation
Sale price has at least doubled since 1995.
£274,000
Modelled from EPC, postcode comparables and a sale-price growth of 18.3% per year over 6 years.
£130,000
Growth on file: 18.3% per year over 6 years.
Sales timeline
5 August 2001Most recent
£130,000
+160.0%over 5 years30 November 1995
£50,000
Median price across the last 5 sales in BH23 1DT: £246,000 (2025–1997).
Nearby sales in BH23 1DT
16b, Castle Street, Christchurch, BH23 1DT
Sold Dec 2025
£725,000Flat 3, 16 Castle Street, Christchurch, BH23 1DT
Sold Oct 2021
£160,000Flat 2, 16 Castle Street, Christchurch, BH23 1DT
Sold Sept 2021
£246,00022 Castle Street, Christchurch, BH23 1DT
Sold Nov 2020
£920,00020 Castle Street, Christchurch, BH23 1DT
Sold Mar 1997
£175,000
Versus other Castle Street homes
On price per m², Flat 1 runs well behind the street norm.
Price per m²
£1,711
Street avg £3,124
Floor Area
76 m²
Street avg 113 m²
Habitable Rooms
4 rooms
Street avg 3 rooms
CO₂ Emissions
4.5 t/year
Street avg 5.1 t/year
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Apartment 3, 68 High Street
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The neighbourhood at a glance
Rail-style transport is unusually close for this postcode.
Crime
205/mo
Falling year-on-year across the wider district.
Nearest stop
0.0 km
Priory Corner — bus stop.
Closest school
0.3 km
The Priory Church of England Primary School. 16 schools nearby.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.
Road noise across the postcode

Daytime· 07:00 – 23:00
49.7dB

Night-time· 23:00 – 07:00
42.1dB







