
Greater London
Concrete Frame Contractors in London
London is the densest concrete frame market in the UK, with tight city-centre logistics, deep basements and a steady pipeline of high-rise residential and commercial towers. Post-tensioned flat slabs dominate where floor-to-floor height and column-free spans matter.
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Experience, accreditation & safety checked
~1 day
To matched contractors
RC & PT
In-situ, post-tensioned & hybrid frames
5 sectors
Covered across London
Concrete frame contractors across London
London is the deepest and most demanding concrete frame market in the country. High land values, tall towers and constrained city-centre plots push structural efficiency hard, which is why post-tensioned flat slabs are so widely specified, shaving depth off every floor to win lettable height across a tall building quickly adds up. Reinforced concrete frames with jump-form cores remain the backbone of residential and build-to-rent towers.
Almost every central scheme involves a basement, often several storeys deep, so substructure, waterproofing and the frame above have to be coordinated as one package. Tight servicing windows, crane oversailing agreements and just-in-time concrete deliveries make logistics as critical as the structure itself. Our network covers the whole capital, from the City and Canary Wharf cluster to the outer growth boroughs.
The London frame market
- Constrained sites demand carefully sequenced crane strategies and just-in-time concrete deliveries.
- PT flat slabs are widely specified to reduce structural depth and maximise lettable height.
- Section 61 consents and out-of-hours pour restrictions shape the programme on most central jobs.
Ground conditions & planning in London
- London Clay underlies much of the capital, generally favourable for piling and deep basements, but it demands careful heave and settlement design.
- Section 61 consents and out-of-hours pour restrictions shape the programme on most central jobs.
- Crane oversailing, party-wall agreements and constrained access drive detailed logistics and temporary-works planning.
Areas we cover around London
We match frame contractors to schemes across London and its surrounding districts, including:
Sectors we cover in London
Services available in London
RC Frames
In-situ reinforced concrete frames for residential, commercial and education buildings.
PT Frames
Bonded and unbonded post-tensioned flat slabs and transfer structures.
Hybrid & Transfer
Combining RC, PT and precast where each performs best.
Basements & Substructure
Watertight concrete basements, capping beams and retaining structures.
Cores & Shafts
Jump-form and climbing-form stair and lift cores that set the pour cycle.
Design & Build
Single-point frame packages with design, temporary works and delivery.
Frame contractors in London: FAQs
Why are post-tensioned slabs so common in London?
Because floor-to-floor height is precious. A thinner PT flat slab shaves depth off every storey, and across a tall building that can recover enough height for an extra lettable floor within the same planning envelope.
Do you cover deep-basement schemes in central London?
Yes. Many central London projects need multi-storey basements, and our network includes contractors who deliver the substructure, waterproofing and frame as a single coordinated package.
Can your contractors work within Section 61 and out-of-hours restrictions?
The teams we match are experienced with City and central-borough working-hours consents, noise limits and the just-in-time concrete deliveries that constrained central sites demand.