Londoners waiting for medical tests, scans and urgent care are set to see real improvements over the coming months, following a major package of NHS investment that will upgrade diagnostic and emergency services across the capital.
The funding forms part of two separate national programmes: a £237 million investment in Community Diagnostic Centres across England, and a £215.5 million programme to upgrade urgent and emergency care facilities at hospitals nationwide. London is a significant beneficiary of both — with specific upgrades already underway or confirmed at sites in Wembley, Eltham, Finchley, Isleworth, Hammersmith and Edmonton.
For many Londoners, the practical outcome will be shorter waits for MRI scans, ultrasounds and bone density checks, as well as better-equipped accident and emergency departments and urgent treatment centres.
What Are Community Diagnostic Centres and Why Do They Matter?
Community Diagnostic Centres — CDCs — are dedicated NHS facilities focused entirely on tests, checks and scans for planned care. Unlike hospital diagnostic departments, which serve both emergency and routine patients, CDCs are designed purely to increase throughput on non-urgent but time-sensitive diagnostics such as MRI and CT scans, ultrasounds, X-rays, blood tests, and specialist checks including audiology and ophthalmology.
The concept is straightforward: bring diagnostic services closer to where patients live — in high streets, shopping centres and community health buildings — and make them more accessible by extending opening hours beyond the standard working day.
There are currently 170 CDCs in operation across England, 14 of which are in London. Since July 2024, the government has invested £253.6 million in the CDC programme nationally, with the NHS delivering more than 46 million tests, checks and scans through these centres in that period alone. The 2026 investment adds a further £237 million, funding four entirely new centres nationally alongside physical expansions and equipment upgrades at 32 existing sites — including two in London.
London CDC Upgrades: What Is Being Funded
Wembley Community Diagnostic Centre — North West London
Wembley CDC, run by Imperial College Healthcare NHS Trust and located within the Wembley Centre for Health and Care, is receiving one of the most significant individual upgrades in this investment round.
From October 2026, two additional MRI scanners will be installed at the site — doubling its existing MRI capacity. The upgrade will enable the centre to carry out more than 26,000 additional MRI scans per year, a substantial increase in access for patients across Brent and surrounding north-west London boroughs including Harlesden, Stonebridge, Neasden and parts of North Kensington.
The Wembley CDC already runs one of the most extended operating hours of any diagnostic centre in London — its MRI service runs from 8am to midnight, seven days a week — enabled by remote scanning technology that allows patient scans to be conducted into the evening without requiring specialist staff to be present on site at all times. The additional scanners will extend this high-capacity model further.
Wembley was deliberately sited to improve diagnostic access for communities with higher levels of deprivation in north-west London, where late diagnosis of conditions including cancer can be linked to poorer health outcomes. The additional capacity is directly targeted at reducing the diagnostic backlog in those communities.
Eltham Community Diagnostic Centre — South East London
In South East London, Eltham CDC at Eltham Community Hospital is receiving £304,000 in capital funding for a package of new equipment and expanded capacity.
The upgrades include:
- A new DEXA bone density scanner — used to assess bone health and diagnose conditions such as osteoporosis, particularly important for older patients and post-menopausal women
- Two new ultrasound machines, expanding the centre’s imaging capacity significantly
- An additional ultrasound clinic room, enabling more appointments to be run simultaneously
Together, these upgrades create capacity to see an additional 25 patients per day at Eltham CDC. Building works are already underway and expected to be completed around May 2026.
A further £150,000 has been allocated to support two new clinical pathways launching at Eltham CDC in Spring 2026:
- A Children and Young People’s Asthma pathway — providing structured diagnostic and monitoring support for younger patients
- A Gynaecology Unscheduled Bleeding pathway — supporting faster assessment for patients experiencing unexpected or irregular bleeding, which can be an indicator of several gynaecological conditions requiring prompt investigation
Both pathways address clinical areas where timely diagnosis can make a meaningful difference to patient outcomes, and both are particularly relevant to the demographics of south-east London communities served by the Eltham site.
Technology is also playing a growing role in London’s NHS transformation — four south west London trusts have just signed the NHS’s largest ever AI scribing deal, deploying ambient voice technology to 20,000 clinicians to reduce documentation burden and return time to patient care.
London A&E and Emergency Care Upgrades
Alongside the CDC investment, the separate £215.5 million national urgent and emergency care programme is funding targeted improvements at three London NHS trusts. These upgrades are specifically focused on reducing corridor care, cutting waiting times and improving how patients are assessed and treated on arrival.
West Middlesex University Hospital, Isleworth — Chelsea and Westminster NHS Foundation Trust
The emergency department and diagnostics services at West Middlesex University Hospital in Isleworth are receiving a comprehensive overhaul. The waiting room has been redesigned and equipped with new digital tools to improve how patients are assessed when they arrive. A new CT scanner has been installed — enabling faster imaging for emergency patients without transfer between departments — alongside a new call bell system to improve patient flow and communication within the department.
West Middlesex serves a large population across west London and is one of the capital’s busier district general hospitals. The upgrades to its emergency department are designed to speed up the time from arrival to diagnosis, which is one of the key bottlenecks in emergency care.
Charing Cross Hospital, Hammersmith — Imperial College Healthcare NHS Trust
At Charing Cross Hospital, Imperial College Healthcare NHS Trust is carrying out a phased renovation of its Same Day Emergency Care (SDEC) unit, with completion expected in September 2026.
SDEC units are designed for patients who need urgent medical assessment and treatment but whose conditions are stable enough not to require an overnight admission. They provide rapid diagnosis, treatment and discharge — often within the same day — and are a critical tool in reducing unnecessary hospital admissions and freeing up inpatient beds.
The expanded Charing Cross SDEC unit will include more treatment chairs, additional trolleys and expanded waiting space, a new accessible toilet, and out-of-hours availability to support the emergency department when patient demand is highest.
North Middlesex University Hospital, Edmonton — Royal Free London NHS Foundation Trust
At North Middlesex University Hospital in Edmonton, north London, the Urgent Treatment Centre (UTC) is being transformed with new funding from Royal Free London NHS Foundation Trust.
The investment will double the number of consultation rooms at the UTC and create 68 additional waiting spaces — a significant increase in physical capacity for one of north London’s most heavily used urgent care facilities. The expanded UTC is scheduled to open in September 2026, with new rapid assessment treatment bays following in December 2026.
Urgent Treatment Centres provide a step between GP services and full A&E — handling injuries and illnesses that are urgent but do not require accident and emergency-level intervention. Expanding the UTC at North Middlesex reduces pressure on the main A&E and shortens waits for patients with less critical conditions.
The Bigger Picture: Ending the NHS Backlog in London
These investments form part of a coordinated national strategy to reduce NHS waiting times and eliminate the practice of “corridor care” — where patients are assessed or treated in hospital corridors due to insufficient space in clinical areas.
Dr Chris Streather, Regional Director of Commissioning for NHS London, confirmed that the London investments are aligned with a specific national target: ensuring that 92% of patients are seen within 18 weeks from referral to treatment by March 2029. That target represents the NHS’s standard waiting time goal, which was significantly disrupted by the pandemic and the pressures of 2020–2023.
Nationally, the latest NHS data shows that A&E waiting times are at their shortest in four years, and ambulance response times are at their fastest in five years — indicators that the investment in urgent care infrastructure is beginning to show results.
In the first 18 months of the current government, the NHS delivered 3.5 million more tests nationally compared to the previous 18-month period — with Community Diagnostic Centres playing a significant role in that increase. The 2026 investment is designed to accelerate that trajectory further.
What This Means for Londoners
For patients across the capital, the practical implications of this investment are concrete and near-term:
If you are waiting for an MRI scan in north-west London, Wembley CDC’s doubled capacity from October 2026 means shorter waits and more appointment slots available in the evenings and at weekends.
If you need an ultrasound or bone density scan in south-east London, Eltham CDC’s new equipment means more daily appointments will be available from mid-2026 onwards.
If you attend A&E at West Middlesex, Charing Cross or North Middlesex, improvements to physical space, equipment and patient flow are already underway or completing this year — with the aim of reducing the time you spend waiting before being assessed and treated.
If you have a child with asthma or need gynaecological assessment in south-east London, the new clinical pathways at Eltham CDC launching in Spring 2026 provide a more direct and structured route to diagnosis and ongoing care.
Key Facts: London NHS Investment Summary
| Site | Location | Investment | Key Upgrade | Timeline |
|---|---|---|---|---|
| Wembley CDC | North West London | Part of £237m national fund | 2 new MRI scanners — 26,000+ extra scans/year | From October 2026 |
| Eltham CDC | South East London | £304,000 + £150,000 | DEXA scanner, 2 ultrasound machines, 2 new pathways | May 2026 onwards |
| West Middlesex University Hospital | Isleworth | Part of £215.5m national fund | New CT scanner, redesigned ED, digital tools | Underway |
| Charing Cross Hospital | Hammersmith | Part of £215.5m national fund | Expanded SDEC unit | September 2026 |
| North Middlesex University Hospital | Edmonton | Part of £215.5m national fund | Doubled UTC rooms, 68 new waiting spaces | September–December 2026 |
Further Information
Patients wishing to find their nearest Community Diagnostic Centre can search via the NHS website at nhs.uk. Referrals to CDCs are made by GPs and other healthcare providers — patients do not self-refer.
For the latest information on waiting times and services at specific London hospitals, visit the relevant NHS Trust websites:
- Imperial College Healthcare NHS Trust: imperial.nhs.uk
- Chelsea and Westminster Hospital NHS Foundation Trust: chelwest.nhs.uk
- Royal Free London NHS Foundation Trust: royalfree.nhs.uk
All information in this article is based on confirmed announcements from NHS England, GOV.UK and the relevant NHS Trusts, published April 2026. Service timelines are subject to change — always check with your GP or the relevant NHS Trust for the most current information about local services.
