Local · Portsmouth

Portsmouth: Claims vs Evidence

Recurring public claims about Portsmouth — crime, sewage and water quality, fly-tipping — tested against verified official data and established reporting. Claims are included because they recur and can be tested; one-off incidents, however serious, are news rather than testable claims.

View shareable visual summariesThe underlying evidenceWho controls what

Claims tested against official data

The evidence rule this page follows

Every claim on this page is tested against an official or regulator source — Portsmouth City Council, the Environment Agency, Defra, the Home Office, ONS, DfE or Ofsted, NHS bodies, DfT, Hampshire Constabulary, the MOD or another named government department. Social media posts, campaign material and news reports are never treated as statistical evidence; where they appear, they are labelled as examples of public perception only.

Sewage & bathing waterMisleading

“Raw sewage is dumped at Southsea every day and the beach is never safe to swim.”

Southsea East is classified Poor and had 34 pollution warnings in 2025 — but the Environment Agency recorded no sewage debris at this site across the 2022–2025 assessment period.

Portsmouth
Southsea East: Poor (2025). 34 pollution risk warnings. Sewage debris not recorded 2022–2025.
Comparison
Eastney, the other Southsea-area designated bathing water, is classified Good.
What you can do
Check the Environment Agency daily pollution risk forecast before swimming. Report a pollution incident to the Environment Agency 24-hour line.
Period: 2025 bathing season; assessment period 2022–2025Responsible: Environment Agency (classification and enforcement); Southern Water (network); Ofwat (economic regulation)
Official evidence, methodology and limitations
Official evidence. The Environment Agency bathing water profile for Southsea East records a Poor annual classification for 2025 and 34 pollution risk warnings during the season. Over the 2022–2025 assessment period the profile states sewage debris was NOT noted at this site, while litter was observed on 91% of visits. Named short-term pollution risks are tide, rainfall, urban drainage and occasional Canoe Lake discharge.
Methodology and limits. Annual classification pools four years of sampling. Pollution risk warnings are short-term forecasts, not measurements of a discharge having occurred. "Sewage debris not noted" refers to visual assessment at this monitoring point and does not rule out discharges elsewhere in the harbour.
Public perception — not evidence

Photographs of discoloured harbour water circulate widely on local social media and are frequently described as raw sewage. Those posts are not evidence of what the water contained.

Environment Agency — Southsea East bathing water profile →

Fly-tippingUnverifiable

“Most fly-tipping in Portsmouth is commercial waste dumped by rogue traders.”

No Portsmouth-level dataset publishes the household/commercial split. Nationally, 62% of recorded fly-tips involved household waste — the opposite emphasis.

Portsmouth
937 incidents, 2024/25. 38 fixed penalty notices, of which 6 were fly-tipping specific.
Comparison
Portsmouth incidents fell 14.2% while England rose 9.1% over the same period.
What you can do
Report incidents to Portsmouth City Council. Check any waste carrier you pay on the free national register before handing over waste.
Period: 2024/25 financial year; published 25 February 2026Responsible: Portsmouth City Council (clearance and enforcement); Environment Agency (organised waste crime)
Official evidence, methodology and limitations
Official evidence. Defra fly-tipping statistics for England 2024/25 record that 62% of incidents involved household waste. Portsmouth recorded 937 incidents in 2024/25, down from 1,092, of which 478 were on council land and 379 on highways. Defra does not publish a household-versus-commercial split at local authority level.
Methodology and limits. Defra counts incidents reported to and recorded by local authorities, so figures reflect reporting behaviour as well as underlying activity. National waste-type composition is not automatically Portsmouth composition and is not presented as such.

Defra — Fly-tipping statistics for England, 2024 to 2025 →

Clean Air ZoneIncorrect

“The Clean Air Zone is a tax on ordinary Portsmouth motorists.”

Portsmouth operates a Class B zone. Private cars, vans, motorcycles and minibuses are not charged at all.

Portsmouth
Class B. Cars, vans, motorcycles and minibuses: £0.
Comparison
Class D zones elsewhere in England do charge private cars. Portsmouth is not a Class D zone.
What you can do
Check your vehicle against the government vehicle checker before travelling if you drive a taxi, private hire vehicle, HGV, bus or coach.
Period: Zone operational since 29 November 2021; scope unchangedResponsible: Portsmouth City Council operates it; central government directed it
Official evidence, methodology and limitations
Official evidence. Portsmouth City Council operates a Class B Clean Air Zone, introduced under a direction from central government. Charges apply only to non-compliant heavy goods vehicles, buses, coaches, taxis and private hire vehicles. Private cars, light goods vehicles, motorcycles and minibuses are not chargeable under a Class B scheme.
Methodology and limits. Charge classes are defined by the national Clean Air Zone Framework. No claim is made here about how any revenue is applied, because the legal basis for ring-fencing has not been verified.

Portsmouth City Council — Clean Air Zone →

Asylum accommodationUnverifiable

“Portsmouth takes a disproportionate share of asylum accommodation and it has taken homes from local residents.”

Placements are commissioned by the Home Office, not the council. No official source establishes a disproportionate share or quantifies any effect on local housing supply.

Portsmouth
733 receiving support, of whom 656 in dispersal accommodation (September 2024). One hotel in use.
Comparison
No like-for-like per-capita comparison with other authorities is published in the sources reviewed, so no claim about relative share is made.
What you can do
Questions about placement policy are Home Office matters and can be raised with your MP. The council publishes what it knows on its asylum accommodation page.
Period: September 2024Responsible: Home Office (commissioning and placement); Portsmouth City Council (local liaison only)
Official evidence, methodology and limitations
Official evidence. Portsmouth City Council states that asylum accommodation is commissioned by the Home Office and that the council has no control over individual placements. The council identifies the Royal Beach Hotel as the only hotel currently used in Portsmouth, for family accommodation. An official Portsmouth assessment recorded 733 asylum seekers receiving support in September 2024, of whom 656 were in dispersal accommodation.
Methodology and limits. Support counts are a snapshot at a point in time, not a flow. Dispersal accommodation and hotel accommodation are separate categories. No published dataset links asylum accommodation to local housing availability, so no such link is asserted.

Portsmouth City Council — Asylum accommodation →

Housing & HMOsMisleading

“Portsmouth automatically refuses any new HMO because of the 10% rule.”

The 10% figure is a planning threshold measured within a 50-metre radius — a test applied to applications, not an automatic refusal, and not a measure of how many HMOs exist.

Portsmouth
Policy threshold: 10% within a 50m radius. Measured stock: 3,158 licensed HMOs on the council register (August 2026).
Comparison
The threshold and the stock are different measures with different denominators and must not be compared to each other.
What you can do
Comment on individual planning applications, and on the Local Plan while it is at examination.
Period: Policy current; register as at August 2026Responsible: Portsmouth City Council (planning and licensing)
Official evidence, methodology and limitations
Official evidence. Portsmouth planning policy assesses new HMO applications against whether more than 10% of residential properties within a 50-metre radius are already in HMO use. This is a policy threshold used in decision-making. It is distinct from the measured stock of HMOs, which the council publishes separately as a licensing register.
Methodology and limits. The register counts licensed properties, not a concentration rate. The council publishes ward concentration only as a map image, so no per-ward percentage is stated here.

Portsmouth City Council — Local Plan housing evidence →

High streetsMostly supported

“Portsmouth city centre is dying — a fifth of shops are empty.”

City-centre vacancy was about 16.4% in the council's 2024 retail study and about 18% of frontages in its August 2024 monitoring — high, but the figure varies sharply by street and survey boundary.

Portsmouth
City centre ~16.4% (2024 study) / ~18% of frontages (Aug 2024). Arundel Street 11 of 30 units.
Comparison
Southsea Centre 10.2% vacant against 14.0% nationally — below the national rate, unlike the city centre.
What you can do
Respond to City Centre North regeneration consultations and to the Local Plan examination.
Period: 2024 retail study; monitoring August 2024Responsible: Portsmouth City Council (planning and regeneration); private landowners hold most of the frontage
Official evidence, methodology and limitations
Official evidence. Portsmouth City Council's Retail Study Update 2024 records city-centre vacancy of approximately 16.4%. The council's Authority Monitoring Report recorded approximately 18% vacant city-centre frontages in August 2024. Within the centre, Arundel Street had 11 of 30 units vacant — more than a third. Southsea Centre, a separate boundary, recorded 10.2% vacancy against a national average of 14.0%.
Methodology and limits. Vacancy rates depend entirely on the survey boundary and date. "City centre", "Commercial Road" and "Southsea Centre" are different areas and their rates are not interchangeable. No single-street figure is presented without its boundary.

Portsmouth City Council — Retail Study Update 2024 →

CyclingMostly supported

“Portsmouth has a joined-up cycle network / Portsmouth cycle lanes just stop for no reason.”

The council's own plan identifies a formal planned network alongside a need to improve continuity, crossings and connections between neighbourhoods.

Portsmouth
A formal planned network exists, with continuity gaps identified by the council itself.
Comparison
Census 2021 records 5.2% of Portsmouth residents cycling to work against 2.1% across England — above the national rate despite the gaps.
What you can do
Respond to individual scheme consultations on the council travel site; report obstructions to the council.
Period: LCWIP 2022; travel-to-work data Census 2021Responsible: Portsmouth City Council (highways); Active Travel England (funding)
Official evidence, methodology and limitations
Official evidence. Portsmouth's Local Cycling and Walking Infrastructure Plan sets out a planned network of north-south and east-west routes. The same document identifies the need to improve continuity, crossings, bridges, connections and access between neighbourhoods.
Methodology and limits. No official audit classifies individual Portsmouth roads by stress level, so no such classification is used. Route quality claims are limited to what the council's own plan states.

Portsmouth City Council — Local Cycling and Walking Infrastructure Plan →

Defence & maritimeUnverifiable

“The naval base supports 20,000 jobs and £1.5bn for Portsmouth's economy.”

No current official assessment of the base's employment or economic contribution has been identified. The available official figures are more than a decade old.

Portsmouth
1,900 base staff (2012 study); 2,000+ BAE jobs (2014 MOD statement). Both dated.
Comparison
Portsmouth's public administration and defence sector accounts for 7.7% of employee jobs against 4.5% across England — nearly double, but this is a whole-sector figure, not a naval base figure.
What you can do
Ask your MP to press for a current published economic impact assessment of the naval base — none appears to exist.
Period: Employment evidence 2012 and 2014; sector share 2024Responsible: Ministry of Defence; BAE Systems; Portsmouth City Council (economic development)
Official evidence, methodology and limitations
Official evidence. A 2012 Portsmouth City Council employment land study identified 1,900 staff at the naval base, of whom 77% were Solent residents. A 2014 Ministry of Defence announcement referred to more than 2,000 BAE Systems jobs at Portsmouth. BAE Systems closed its Portsmouth shipbuilding operation in August 2014, marking a transition from shipbuilding to naval base support, engineering and maritime activity.
Methodology and limits. Figures over a decade old are labelled as such and are not presented as current. Defence is not described as the city's largest current employer because no current official source establishes that.

Portsmouth City Council — Employment Land Study →

Skills & UTCIncorrect

“UTC Portsmouth guarantees its students jobs with BAE Systems.”

UTC Portsmouth has named employer partners including BAE Systems, but no official source establishes guaranteed employment, and the school is small.

Portsmouth
491 pupils on roll against 600 capacity (Ofsted provider record).
Comparison
At this scale the UTC cannot be a city-wide skills solution on its own, whatever the strength of individual partnerships.
What you can do
Read the Ofsted report directly rather than relying on partnership announcements.
Period: Ofsted provider record; inspection report published January 2026Responsible: UTC Portsmouth and its trust; Department for Education; employer partners
Official evidence, methodology and limitations
Official evidence. Ofsted's provider record for UTC Portsmouth lists 491 pupils against a capacity of 600, with the latest inspection report published in January 2026. The UTC names employer partners including BAE Systems, the Royal Navy, QinetiQ and Airbus. No official source establishes guaranteed employment outcomes with any partner.
Methodology and limits. An employer partnership evidences participation, not employment. Progression claims are only made where destination data is published; pass-rate figures circulating without a primary source are not used.

Ofsted — UTC Portsmouth provider record →

Claims vs Evidence

This section examines recurring public claims against official data and established reporting. It does not determine individual guilt, motive, immigration status, ethnicity or religion. Isolated incidents do not by themselves establish a wider trend or causal explanation. Claims are chosen because they recur and can be tested against data — one-off incidents, however serious, are news rather than testable claims and are deliberately out of scope.

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