15 Castle Street, Cranborne, Wimborne, BH21 5PZ
About 15 Castle Street
15 Castle Street is a detached house in Cranborne, Wimborne, Wimborne (BH21 5PZ). It has a recorded floor area of 93 m² (around 1001 sq ft), construction records dating it to before 1900 and council tax band D. The latest certificate (March 2018) shows an E (score 40), well below the UK norm with real room to improve. When first surveyed in January 2018 the rating was F, the property has climbed 1 band since. Between certificates, roof efficiency went from Very Poor to Good. The recommended improvements would lift it to A (score 102), a 4-band jump. Main heating runs on oil.
4 planning records sit against the property, 4 approved, 0 refused. Past consents include an extension and new windows, meaningful when judging how the property has evolved. At 93 m² it's 23.2% larger than the typical home in the postcode (76 m² median across 28 EPCs). Across 2021–2022, sale prices on this property compounded at 19.6% per year. Today's modelled estimate of £374,000 is 20.6% above the 2022 sale price. On a £-per-square-foot basis, the last sale (£310/sq ft) was about 96% above the typical sold price in the postcode. Last sale on file: £310,000 in July 2022. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.
Know exactly what you're buying at 15 Castle Street
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
Energy performance
15 Castle Street's carbon output runs well above what efficient homes in the postcode produce.
EPC Rating
Property Improvements
Changes detected from historical EPC data
Loft insulation upgraded to recommended levels
Planning history
15 Castle Street has been through 4 approved planning applications — a well-evolved property.
- Feb 2025ExtensionFullIn report
Extension: Part single, part two storey · Rear of property
Demolish lean-to extension and erect new rear part single-storey, part double-storey gable extension. Gates. Replacement doors, windows, floors, staircase and internal alterations.
New Windows- Documents
- 33 docs on file
- Reference
- P/HOU/2024/05927
- Feb 2025ExtensionHeritageIn report
Extension: Part single, part two storey · Rear of property
Demolish lean-to extension and erect new rear part single-storey, part double-storey gable extension. Gates. Replacement doors, windows, floors, staircase and internal alterations.
New Windows- Documents
- 38 docs on file
- Reference
- P/LBC/2024/05928
We flagged 2 things worth checking at 15 Castle Street
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.
- Larger development activity nearby
- Recent ownership pattern worth a look
30-day money-back guarantee
Sales history & valuation
15 Castle Street changed hands twice within eighteen months — unusual for the area.
£374,000
Modelled from EPC, postcode comparables and a sale-price growth of 19.6% per year over 1 year.
£310,000
Growth on file: 19.6% per year over 1 year.
Sales timeline
7 July 2022Most recent
£310,000
+29.7%over 1 year22 January 2021
£239,000
Median price across the last 5 sales in BH21 5PZ: £250,000 (2024–2003).
Nearby sales in BH21 5PZ
37 Castle Street, Cranborne, Wimborne, BH21 5PZ
Sold May 2024
£225,00016 Castle Street, Cranborne, Wimborne, BH21 5PZ
Sold Jan 2021
£388,00012 Castle Street, Cranborne, Wimborne, BH21 5PZ
Sold Dec 2004
£250,00016a, Castle Street, Cranborne, Wimborne, BH21 5PZ
Sold Jul 2003
£225,00014 Castle Street, Cranborne, Wimborne, BH21 5PZ
Sold May 2002
£184,000
Everything we know about 15 Castle Street, in one report
What it's really worth, what could be wrong, and the planning, sales and area data in full.
What we flagged
- Larger development activity nearby
- Recent ownership pattern worth a look

Versus other Castle Street homes
EPC Rating for 15 Castle Street lags the street by a wide margin.
Price per m²
£3,333
Street avg £2,996
Floor Area
93 m²
Street avg 121 m²
Habitable Rooms
5 rooms
Street avg 5 rooms
CO₂ Emissions
7.0 t/year
Street avg 8.0 t/year
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1 Baileys Hill, Wimborne St Giles
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1 Cookman Cottage, Gussage All Saints
BH21 5ET
1 Ash Leah Cottages, Wimborne St Giles
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1 Cashmoor, Gussage St Michael
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The neighbourhood at a glance
Daytime road noise here sits well below conversation level — a quiet pocket of the postcode.
Crime
2/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
The Inn — bus stop.
Closest school
0.1 km
Cranborne Church of England First School. 3 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
45.3dB

Night-time· 23:00 – 07:00
37.9dB