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Get started17 21, Chesil Street, Winchester, SO23 0HU
8 planning records
About 17 21
A plain-English summary derived from public records, EPC certificates, sold prices and local data.
17 21 is a four-bedroom semi-detached house in Winchester (SO23 0HU). It has a recorded floor area of 178 m² (around 1916 sq ft) and construction records dating it to before 1900. The latest certificate (July 2025) shows a C (score 69), just inside the C band.
Sale prices here have outpaced Winchester HPI: 18.6% per year against 0% for the wider region. Today's modelled estimate of £777,000 sits 87.2% above the 2015 sale of £415,000. On a £-per-square-foot basis, the last sale (£217/sq ft) was about 31.7% above the typical sold price in the postcode. At 178 m² the property is well over the postcode median (53 m² across 30 EPCs), placing it in the larger end of the local stock. 8 planning records sit against the property, 5 approved, 0 refused. Past consents include an extension and new windows, meaningful when judging how the property has evolved. The record references listed-building consent, which constrain future alterations. Last sold in July 2015, so it's been off the market for around 11 years.
What this property has
Pulled from EPC certificates, claim submissions and our property model. Empty categories are hidden — we only show what's known.
Inside
- Bedrooms4
- Bathrooms2
- Dining roomYes
- Utility roomYes
Energy performance
Every EPC certificate filed against this property — current rating, recorded improvements, and where there's headroom to reach a higher band.
EPC Rating
A
B
C
C69
D
E
F
G
Main Heating
Gas
Main Fuel
Gas
Hot Water
Good
Windows
Poor
CO2 Emissions
4.9 t/year
Occupancy
Owner Occupied
Planning history
Applications and permits filed against 17 21, Chesil Street, Winchester, SO23 0HU, sourced from the PlanIt planning register.
17 21 has multiple listed-building consents on file — alterations need formal heritage approval.
- Sept 2022Tree WorksTreesThat no objection be raised
T1 Cedar - Crown lift to 5m to clear gardens T2 Cypress - Crown lift, removing lowest limbs to clear neighbours property
Sales history & valuation
Recorded transactions, our model's current estimate, and a quick read on what neighbouring properties have sold for.
17 21 changed hands twice within eighteen months — unusual for the area.
Current estimate
See how we calculated this£777,000
Modelled from EPC, postcode comparables and a sale-price growth of 18.6% per year over 1 year.
Last sold (2015)
£415,000
Growth on file: 18.6% per year over 1 year.
Sales timeline
Versus other Chesil Street homes
Four headline reads against 7 similar houses on this street, drawn from the latest EPC and Land Registry data.
On epc rating, 17 21 stands well clear of the street.
Price per m²
£2,331
Street avg £4,063
Floor Area
178 m²
Street avg 183 m²
Habitable Rooms
7 rooms
Street avg 7 rooms
Similar properties nearby
A handful of close matches in the same postcode area, ranked by likeness on bedrooms, type and floor area.
The neighbourhood at a glance
A condensed read of the local area. Each tile links through to the full breakdown on the Winchester district page.
Crime
10/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
Chesil Lodge — bus stop.
Road noise across the postcode
Modelled day and night-time noise levels around SO23 0HU from Defra's strategic mapping. The pin marks this postcode's centroid.
Daytime· 07:00 – 23:00
50.8dB
Everything within walking distance
Schools, transport stops and scenic spots near this property — 44 points of interest in total.
Beautiful places to visit nearby
Curated scenic spots within reach of this postcode, served by Beautifulplaces.ai. Photography and tagging come from their open dataset.
Common questions
The questions buyers, sellers and homeowners most often ask about 17 21, Chesil Street, Winchester, SO23 0HU. Each answer is also embedded as structured data for search engines.