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20 Blake House, Gunwharf Quays, Portsmouth, PO1 3TH

5 planning records
Property type
Mid terrace
Floor 3rd
Habitable rooms
4
From EPC
Floor area
107 m²
1152 sq ft
Energy rating
D
Score 62
Council tax
Band E
Tenure
Private Rental
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Overview

About 20 Blake House

A plain-English summary derived from public records, EPC certificates, sold prices and local data.

20 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 (June 2018) shows a D (score 62), on the cusp of jumping into the C band. Main heating runs on electricity.

It lags the bulk of the postcode on energy efficiency (less efficient than 74% of similar EPCs). 5 planning records sit against the property, 0 approved, 0 refused.

Before you decide

Everything you need to know about 20 Blake House

The true value, the hidden risks and the full sale history, in one report.

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Preview of the full property report

The data behind every report

  • HM Land Registry, source of sold price history
  • Department for Education, source of schools data
  • Police.uk, source of crime statistics
  • Department for Transport, source of stations and transport links
  • Environment Agency, source of flood risk data
  • Department for Environment, Food & Rural Affairs, source of road noise data
  • PlanIt, source of planning application records
Energy

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
Jun 2018

EPC Rating

A
B
C
D
D62
E
F
G
Main Heating
Electric & Gas
Main Fuel
Electric
Hot Water
Very Poor
Windows
Average
CO2 Emissions
3.3 t/year
Occupancy
Rented

Certificate validity

Valid until 28 June 2028

1 year remaining
SDL Surveying

Get a survey for this property

Level 3 Building Survey

Late 20th century3rd Floor FlatEPC DNo mains gas

Because the property has no mains gas supply, we believe a Level 3 building survey should be considered.

From £1,020 · Includes VAT

Planning

Planning history

Applications and permits filed against 20 Blake House, Gunwharf Quays, Portsmouth, PO1 3TH, sourced from the PlanIt planning register.

5 applications on record at 20 Blake House, Gunwharf Quays, Portsmouth, PO1 3TH

5decisions48documents2nearby
  1. Jan 2010
    Full
    Outcome in report

    Extension to existing north/west facing raised terrace to include new timber & glass balustrading to perimeter and stairs (after removal of section of stairs) and fixed umbrellas; installation of new glazed window and cladding to north elevation (Amended Scheme 09/01307/FUL)

    New Windows
    Documents
    6 docs on file
    Reference
    09/01486/FUL
    Full record in report
  2. More recent applications — locked
  3. AdvertisingDecision
  4. FullDecision

+ 2 more applications in the report

Unlock 20 Blake House, Gunwharf Quays, Portsmouth, PO1 3TH's full planning history

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  • Every decision — granted, refused or withdrawn (5 on record)
  • All 5 applications on this property in full, plus 2 notable nearby
  • The 48 documents, officer reports & conditions
  • What the pattern means for extending or converting here
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Price

Sales history & valuation

Recorded transactions, our model's current estimate, and a quick read on what neighbouring properties have sold for.

20 Blake House has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.

Current estimate

£463,000

Modelled from EPC, postcode comparables.

See how we calculated this

No sales recorded with HM Land Registry

That can mean the property has never traded since the registry began publishing in 1995, was a new build that hasn't been registered yet, or is held in the same hands long-term.

Median price across the last 5 sales in PO1 3TH: £560,000 (2025–2023).

On the street

Versus other Gunwharf Quays homes

Four headline reads against 42 similar flats on this street, drawn from the latest EPC and Land Registry data.

EPC Rating for 20 Blake House lags the street by a wide margin.

EPC Rating

62 (D)

Street avg 72 (C)

Strongly below

Floor Area

107 m²

Street avg 93 m²

Strongly above

CO₂ Emissions

3.3 t/year

Street avg 2.3 t/year

Strongly below

Habitable Rooms

4 rooms

Street avg 3 rooms

Strongly above

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Comparables

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
Area

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.
Full Portsmouth report

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.

Go deeper on the local area

A Local Area report breaks down crime, transport links, schools and air quality in depth.

Noise

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 road noise heatmap for PO1 3TH

Daytime· 07:00 – 23:00

46.9dB

Low
Night-time road noise heatmap for PO1 3TH

Night-time· 23:00 – 07:00

39.6dB

Low
55 dB
60 dB
65 dB
70 dB
75 dB
80 dB
Defra Road Noise Strategic Mapping, Round 4
FAQ

Common questions

The questions buyers, sellers and homeowners most often ask about 20 Blake House, Gunwharf Quays, Portsmouth, PO1 3TH. Each answer is also embedded as structured data for search engines.