Model valuation£417,0008 Busby Close
Local market context
17 Blake House, Gunwharf Quays, Portsmouth, PO1 3TH
Estimated value
£708,000
- Since the 2022 sale (£675,000)+5%
- Against PO1 3TH's recent median (£560,000)+26%
Newest record on this page: March 2025. Land Registry and EPC registers update monthly, so this page can trail them by 2–3 months.
Property type
Mid terrace
Floor 02
Habitable rooms
4
From EPC
Floor area
107 m²
1152 sq ft
Energy rating
C
Score 71
Council tax
Band E
Tenure
Owner Occupied
About this valuation
How the figure is worked out and what it's based on. If you know this home, you can tell other visitors what you think it's worth.
Our estimate
£708,000
- Against its 2022 sale (£675,000)+5%
- Against PO1 3TH's recent median (£560,000)+26%
Your note and figure are shown publicly on this page.
How the estimate is made
The estimate for 17 Blake House is modelled from its 107 m² EPC floor area, its 2 recorded sales and recent sales of comparable homes in PO1 3TH. It is an automated estimate, not a survey or mortgage valuation: condition, layout and improvements that aren't on record can move the real figure either way.
What it's based on
Floor area
107 m² from the EPC lodged in March 2022
Sales of this home
2 sales recorded, the latest in 2022
Recent sales in PO1 3TH
5 sales, median £560,000 (2025–2023)
This page or the full report?
| Data | This page | Full report |
|---|---|---|
| Sales | Latest sale shown: March 2025 | Latest available records, read when you order |
| Valuation | Estimate from the last refresh | Analysed against comparable sales |
| Planning | None on this home | Full history, plus nearby schemes |
| Flood risk | Not shown | Included |
Sales history & valuation
Every recorded sale of this home, how its price has moved, and what neighbouring properties have sold for.
The latest sale landed in the post-pandemic price surge — useful context when reading the figure.
Sales timeline
9 June 2022Most recent
£675,000
+70.9%over 19 years29 September 2002
£395,000
Median price across the last 5 sales in PO1 3TH: £560,000 (2025–2023).
Nearby sales in PO1 3TH
8 Blake House, Gunwharf Quays, Portsmouth, PO1 3TH
Sold Mar 2025
£560,00011 Blake House, Gunwharf Quays, Portsmouth, PO1 3TH
Sold Mar 2025
£550,00040 Blake House, Gunwharf Quays, Portsmouth, PO1 3TH
Sold Jan 2025
£794,50039 Blake House, Gunwharf Quays, Portsmouth, PO1 3TH
Sold Feb 2024
£862,50053 Blake House, Gunwharf Quays, Portsmouth, PO1 3TH
Sold Oct 2023
£440,000
What this page doesn't show
Nothing is flagged from the data on this page, but these checks are only run in the report. The detail, evidence and what to ask about it are in the Risks Report.
- Flood risk from rivers, sea and surface waterIn report
- Subsidence and ground-stability signalsIn report
- Refusals, enforcement and big schemes nearbyIn report
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About 17 Blake House
A plain-English summary derived from public records, EPC certificates, sold prices and local data.
17 Blake House is a mid-terrace house in Portsmouth (PO1 3TH). It has a recorded floor area of 107 m² (around 1152 sq ft), construction records dating it to 1996-2002 and council tax band E. At 107 m² this is the 34th smallest of 43 units on EPC record in the building, where floor areas span 52–155 m². The building's EPC ratings span E to B across 43 units on file. The latest certificate (March 2022) shows a C (score 71). Main heating runs on electricity.
Across 2002–2022, sale prices on this property compounded at 2.8% per year. On a £-per-square-foot basis, the last sale (£586/sq ft) was about 72.3% above the typical sold price in the postcode. Most recent transfer: June 2022 at £675,000. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.
Before you decide
Everything you need to know about 17 Blake House
The true value, the hidden risks and the full sale history, in one report.
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The data behind every report
Energy performance
Every EPC certificate filed against this property — current rating, recorded improvements, and where there's headroom to reach a higher band.
Current Certificate
Mar 2022EPC Rating
A
B
C
C71
D
E
F
G
Main Heating
Electric & Gas
Main Fuel
Electric
Hot Water
Very Poor
Windows
Average
CO2 Emissions
2.5 t/year
Occupancy
Owner Occupied
Certificate validity
Valid until 17 March 2032
Planning history
Applications and permits filed against 17 Blake House, Gunwharf Quays, Portsmouth, PO1 3TH, sourced from the PlanIt planning register.
17 Blake House has no planning applications on record.
2
But the area is active
2 notable applications nearby — larger schemes and conversions that could reshape the street. The report maps them all.
Versus other Gunwharf Quays homes
Four headline reads against 42 similar flats on this street, drawn from the latest EPC and Land Registry data.
Price per m² for 17 Blake House runs comfortably ahead of the street norm.
Price per m²
£6,308
Street avg £4,415
Floor Area
107 m²
Street avg 93 m²
Habitable Rooms
4 rooms
Street avg 3 rooms
CO₂ Emissions
2.5 t/year
Street avg 2.3 t/year
The neighbourhood at a glance
A condensed read of the local area. Each tile links through to the full breakdown on the Portsmouth district page.
Rail-style transport is unusually close for this postcode.
Crime
501/mo
Falling year-on-year across the wider district.
Nearest stop
0.2 km
Portsmouth IOW Car Ferry Terminal — ferry terminal.
Closest school
0.6 km
St George's Beneficial Church of England (Voluntary Controlled) Primary School. 28 schools nearby.
Nearest schools
- St George's Beneficial Church of England (Voluntary Controlled) Primary SchoolPrimary613m
- St Jude's CofE Primary SchoolPrimary696m
- Ark Charter AcademySecondary1.4km
- Cottage Grove Primary School and NurseryPrimary1.5km
Nearest stops
- Portsmouth IOW Car Ferry TerminalFerry terminal156m
- Portsmouth IOW Car Ferry TerminalFerry terminal173m
- Portsmouth Millenium PontoonFerry terminal211m
- Broad StreetBus stop277m
Most reported crime locally
- Violence & Sexual Offences2,691 reports38%
- Shoplifting928 reports13%
- Anti-social Behaviour766 reports11%
- Public Order577 reports8%
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
Modelled day and night-time noise levels around PO1 3TH from Defra's strategic mapping. The pin marks this postcode's centroid.
Daytime· 07:00 – 23:00
46.9dB
Night-time· 23:00 – 07:00
39.6dB
55 dB
60 dB
65 dB
70 dB
75 dB
80 dB
Defra Road Noise Strategic Mapping, Round 4
Get a survey for this property
Level 3 Building Survey
Late 20th century2nd Floor FlatEPC CNo mains gas
Because the property has no mains gas supply, we believe a Level 3 building survey should be considered.
From £1,220 · Includes VAT
Similar properties nearby
A handful of close matches in the same postcode area, ranked by likeness on bedrooms, type and floor area.
£450k
1 Blake House, Gunwharf Quays
PO1 3TH
2 bed
£406k
1 Blossom Square
PO1 3JH
5 bed
£335k
1 Centurion Court, The Canalside, Gunwharf Quays
PO1 3BQ
2 bed2 bath
£316k
1 Blackthorn Terrace, Cumberland Street
PO1 3JW
4 bed2 bath
£310k
1 Eva Allaway Court, St Georges Square
PO1 3AU
£293k
1 Curzon Howe Road
PO1 3BZ
£292k
1 Ensign Mews, Cross Street
PO1 3FZ
£283k
1 Dean Street
PO1 3BH
4 bed3 bath
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Where every figure above comes from, how current it is and what it can't tell you.
- How the estimate is made
- The estimate for 17 Blake House is modelled from its 107 m² EPC floor area, its 2 recorded sales and recent sales of comparable homes in PO1 3TH. It is an automated estimate, not a survey or mortgage valuation: condition, layout and improvements that aren't on record can move the real figure either way.
- Where sold prices come from
- Sold prices are HM Land Registry Price Paid Data, which covers residential sales in England and Wales since 1995. 2 sales are recorded for 17 Blake House. Sales normally appear two to three months after completion, so the most recent ones take time to show up anywhere.
- Reading the EPC
- Energy Performance Certificates rate homes from A (most efficient) to G and last 10 years. The latest one for 17 Blake House was lodged in March 2022 at band C and is valid until March 2032. Floor area, heating and insulation details on this page come from it.
- Planning records
- Planning applications are collected from local authority registers through PlanIt. None is matched to 17 Blake House. Councils sometimes file applications under a different address format, and applications on neighbouring land aren't listed here; the report covers both.
- Area figures
- Crime is police-recorded street-level data over the last 14 months, which places each incident at an approximate point. The 28 schools and 30 stops listed are measured in a straight line from PO1 3TH, not by walking route. Road noise is Defra's strategic noise modelling, averaged across the postcode.
- Council tax band
- 17 Blake House is in council tax band E. Bands are set by the Valuation Office Agency from historic values (1 April 1991 in England, 1 April 2003 in Wales), not today's price; the amount you pay depends on the council's rate for the band.
Common questions
The questions buyers, sellers and homeowners most often ask about 17 Blake House, Gunwharf Quays, Portsmouth, PO1 3TH. Each answer is also embedded as structured data for search engines.
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- Every home in PO1 3THSold prices, values and energy ratings for the postcode
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- 17 Blake House, Gunwharf Quays, Portsmouth valuationHow the estimate is built and what moves it
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