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Case Studies
Case Studies
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Underfloor Insulation
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OLD OAK COMMON STATION (HS2)
Leca® was procured and selected as the chosen Lightweight Aggregate (LWA) specified as part…
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LIVERPOOL WATERS - CENTRAL DOCKS
Over 6,000 m³ of Leca® Lightweight Expanded Clay Aggregate (LWA) was specified and installed as…
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REGENERATION AT GREENWICH PENINSULA
Construction is now underway on Meridian Quays, a significant new phase within the Peninsula Quays…
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AURS ROAD COASTAL DEVELOPMENT
More than 12,450 m³ of Leca® Lightweight Aggregate (LWA) was specified and installed as part of the…
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SCREED FLOOR FOR COTTAGE RENOVATION
Leca® Uno was specified as part of a cottage renovation project in Cambridgeshire, where the aim…
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MARPLE COMMUNITY HUB, STOCKPORT
Lightweight Backfill Solution for Swimming Pool ConstructionLeca® Lightweight Aggregate (LWA) was…
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SALFORD RISE ELEVATED BRIDGE DEVELOPMENT
As part of the transformative Salford Rise development, over 3,000m³ of Leca® Lightweight Aggregate…
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M25 JUNCTION 28 UPGRADE
M25 Junction 28 is a key interchange, linking the M25 motorway with the A12 and A1023 to Brentwood…
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OUTDOOR SWIMMING POOL INSTALLATION (SURREY)
Surrey Pools and Water required a safe, efficient solution to infill the deep end of an existing…
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NEW HIGHWAY DEVELOPMENT IN BLACKPOOL
A new road development project has been launched to connect Amy Johnson Way and Common Edge Road in…
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LITTLEHAMPTON HIGHWAY CONSTRUCTION BRIGHTON
Eastwood Engineers served as the designers and primary consultants for the new development in…
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LECA® LWA PROVIDES ALTERNATIVE TO FOAM CONCRETE FOR RAIL PROJECT
A recent rail project near Coventry and Warwick required an innovative solution for a bridge deck…
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LONDON KING'S COLLEGE RENOVATION AND EXTENSION
The College of Social Science and Public Policy at London King’s College undertook a renovation and…
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NOTTINGHAM RESIDENTIAL UNDERFLOOR SYSTEM
We recently delivered Leca® Insulation Fill (50L Bags) to a property development in Nottingham for…
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SPALDING WESTERN RELIEF ROAD
Work on the north section of the Spalding Western Relief Road started in January 2022. The Spalding…
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TURNER STREET RETAINING WALL
The existing wall was situated along a thin strip of land at the top of an embankment between two…
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LONDON UNDERGROUND - VICTORIA STATION
Leca LWA was recently used to fill a disused subway beneath Vauxhall Bridge Road, near Victoria…
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PASSIVHAUS HIGH SCHOOL SWIMMING POOL
Leca® Lightweight Fill 10-20mm (LWA) was recently specified for a swimming pool complex at Currie…
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A595 MORESBY HALL HIGHWAY
Over 11,000m3 of Leca LWA has been specified and delivered for a £16 million improvement scheme on…
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LONGTHORPE A47 FOOTBRIDGE
Leca LWA (Lightweight Aggregate) was recently specified for the new 30m Longthorpe A47 footbridge…
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Gloucestershire Wildlife Trust Specify Leca® M (Landscaping Solution) in 50L Bags
Leca® M (Landscaping Solution) was recently specified by the Gloucestershire Wildlife Trust for a…
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Terrace House Underfloor Upgrade & Refurbishment
Leca® Insulation Fill was utilised for the renovation of a 3-bedroom terrace house in Liverpool.…
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Guggenheim Museum, Bilbao, Spain
The Guggenheim Museum in Bilbao, Spain offers a unique architectural vision using traditional…
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Carstairs West Embankment Retention & Slope Regrade Works
Leca LWA was specified for the Carstairs West Embankment Retention & Slope Regrade Works. This…
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Portuguese National Pavilion, Lisbon, Portugal
Expo'98 International Exhibition - Lisbon took place in 1998, focusing on the oceans and their…
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WAKEFIELD EASTERN RELIEF ROAD
Leca LWA was specified for the Wakefield Eastern Relief Road with the aim of reducing congestion…
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GLASGOW FLOATING ECOSYSTEM WETLANDS
To support our Next Step, Leca LWA was specified by Biomatrix as part of the media substrate for…
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THE LARGEST CANTILEVER BRIDGE IN THE WORLD
Built on a new stretch of Norway's coastal highway, the Trysfjord Bridge is the world's largest…
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SANDS LEISURE CENTRE, CARLISLE
Leca LWA was specified for the Sands Leisure Centre swimming pool in Carlisle. This forms part of…
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PETERBOROUGH RAILWAY STATION
Peterborough is a major rail interchange, served by a complex mix of commuter and long-distance…
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CARRICKFERGUS CASTLE, NORTHERN IRELAND
Carrickfergus Castle is a Norman castle in Northern Ireland, situated in the town of Carrickfergus…
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NEW EVERTON FOOTBALL STADIUM ON BRAMLEY MOORE DOCK
Premier league club Everton FC are the longest serving top division club in the history of English…
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LECA® LWA SPECIFIED FOR THE CONTINUATION OF THE EDINBURGH TRAM DEVELOPMENT
Over 11,000m3 of LECA® LWA has been specified for the continuation of the existing Edinburgh Tram…
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M9 WINCHBURGH JUNCTION HIGHWAY DEVELOPMENT
We were specified for the M9 Winchburgh development, where over 9000m3 of LECA® LWA 10-20mm (…
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HELIX PROJECT | FALKIRK
The Helix project in Falkirk has transformed a tired and lifeless environment into one of the most…
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CALDER AND HEBBLE JUNCTION CORRIDOR A629
Work is now underway to transform the Calder and Hebble junction corridor of the A629 near Halifax…
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PRESTON WESTERN DISTRIBUTOR ROAD (PHASE 1-4)
LECA® Lightweight FIll (LWA) was specified for 4 sections of the development of the major new road…
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A47 GUYHIRN ROUNDABOUT HIGHWAY DEVELOPMENT
Over 2600m3 of LECA Lightweight Fill (LWA) was specified for the A47 highway development. The A47…
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RAMP EMBANKMENT | BELVEDERE, SOUTH EAST LONDON
Over 3,750m³ of LECA® LWA was used in the construction of a ramp embankment that will carry the…
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DRONE VIDEO: PRESTON WESTERN DISTRIBUTOR ROAD (PHASE 1: LEA VIADUCT)
Video Case Study: LECA® lightweight fill is currently being installed for the Lea Viaduct section…
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PRESTON WESTERN DISTRIBUTOR ROAD (PHASE 2: SAVICK BROOKE VIADUCT)
PRESTON WESTERN DISTRIBUTOR ROAD (PHASE 2: SAVICK BROOKE VIADUCT LECA® lightweight fill is…
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PRESTON WESTERN DISTRIBUTOR ROAD (PHASE 3: BECCONSALL BRIDGE)
LECA® lightweight fill was recently installed for the Becconsall Bridge development on the M55…
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NEW LIVERPOOL STANLEY DOCK TOBACCO WAREHOUSE APARTMENT COMMUNAL AREA
The Stanley Dock Tobacco Warehouse is a grade II listed building and is the world's largest brick…
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CRAVEN COTTAGE (FULHAM FC) - PITCH SIDE DRAINAGE
For a new pitch side drainage development at Fulham FC’s home ground Craven Cottage in London. Over…
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LECA LIGHTWEIGHT FILL SPECIFIED FOR A RETAINING WALL OVER DELICATE GROUNDWORK CONDITIONS IN BRISTOL
LECA LWA was recently specified for a retaining wall development on Bath Road, Bristol. This…
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A14 HUNTINGDON TO CAMBRIDGE HIGHWAY DEVELOPMENT
A new 12-mile bypass to the south of Huntingdon in Cambridgeshire, the new bypass runs between…
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HIGHWAY DEVELOPMENT - VIKING ENERGY FARM, SHETLAND
In an ambitious infrastructure development in Shetland, Viking Energy, which is owned by SSE…
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A51 TARVIN TO CHESTER IMPROVEMENT SCHEME HIGHWAY WIDENING
2000m3 of LECA LWA was specified for the A51 Tarvin to Chester improvement scheme road widening…
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LECA® LIGHTWEIGHT FILL SPECIFIED FOR M6 JUNCTION 10 IMPROVEMENTS
Over 8000m3 of Leca LWA was specified for the latest Highways England project on the M6 Junction 10…
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STEPPS PRIMARY SCHOOL EXTRACTION, VOID INFILL AND INSTALL NEW DRAINAGE SYSTEM
Over 100m3 of LECA LWA (10-20mm) was recently specified for the reparation of the underground…
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GROUNDWORKS SOLUTION FOR PROPERTY IN BROMSGROVE
Over 40m3 of LECA® LWA was specified for a property in Bromsgrove, which required a robust infill.…
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DON STREET PUMPING STATION DEVELOPMENT IN SOUTH YORKSHIRE
LECA® LWA was recently specified for the new Don Street Pumping Station – a flood defence scheme…
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CONVERTING A 19TH CENTURY TRAIN DEPOT IN LEEDS
UK railway network owner and infrastructure manager, Network Rail, awarded Buckingham Group…
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FINNINGLEY AND ROSSINGTON REGENERATION ROUTE SCHEME (FARRRS)
The Finningley and Rossington Regeneration Route Scheme (FARRRS) was carried out by Doncaster…
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NEW RAILWAY EMBANKMENT WALKWAY -ST BRIDES RAIL STATION
600m3 of LECA lightweight fill was specified for a new railway platform in St Brides, Newport…
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DERBY RAIL STATION PLATFORM DEVELOPMENT
Sunday 22 July 2018 saw the start of an 11-week partial closure of Derby station, part of the…
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DELIVERING LECA LWA UNDER RAIL ARCHWAY
LECA® LWA was specified for the disused Ratho Station in Edinburgh. This project required an urgent…
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A50 BRIDGE DEVELOPMENT, UTTOXETER
LECA® LWA was recently specified for a new bridge development on the A50 in Uttoxeter. This project…
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A2/A282 DARTFORD IMPROVEMENT - RETAINING WALL
The Costain Group was awarded £138 million by the UK’s Highways Agency for the widening works to…
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QUEENSFERRY CROSSING SCOTLAND
Leca UK has provided its expertise and materials to the construction of the new Queensferry…
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BLACKPOOL SEAFRONT | BLACKPOOL
LECA® LWA geotechnical fill from Leca® UK helped the £80 million transformation of Blackpool’s…
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BERTHA PARK A9/ A85 PROJECT, PERTH, SCOTLAND
Leca® Lightweight Aggregate was recently specified by Perth & Kinross Council’s…
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CROSS VALLEY LINK SCHEME - MOUNTAIN ASH
LECA LWA was recently specified for the multi million pound Cross Valley Link scheme, which was an…
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NEWLANDS BRIDGE PROJECT
The Newland Bridge was constructed in 1992. Newland Bridge carries the A645 link road over the…
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GREEN ROOF PLANTERS SOUTH EAST LONDON
The green credentials of two new apartment buildings in London were substantially enhanced with…
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STABILITY FOR THE LONDON RAIL EMBANKMENT
The use of Leca® Lightweight Aggregate provides the solution for a 200m London Rail embankment with…
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LECA® LWA PROVIDES DRAINAGE SOLUTION FOR A STEEP EMBANKMENT
Leca recently collaborated with WSP and Alun Griffiths Contractors to pneumatically deliver Leca®…
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NEW WOLVERCOTE VIADUCT, OXFORDSHIRE
The Wolvercote Viaduct was built in 1961 to carry the A34 Oxford Bypass over the Oxford to…
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PONTEFRACT SWIMMING POOL DEVELOPMENT
We were recently specified for a concrete wall swimming pool in Pontefract, West Yorkshire. This…
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ROOF-TOP FOOTBALL CENTRE | STAR CITY, BIRMINGHAM
Leca® Lightweight Expanded Clay Aggregate gives self-compacting, light, free-draining base…
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PROVIDING A KEY SOLUTION FOR PRINCES QUAY BRIDGE
LECA® LWA was specified for the new Princes Quay Footbridge in Hull. This 60 metre structure weighs…
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LAUREATE GARDENS, HENLEY ON THAMES
Leca LWA was specified for the scenic green roof on the Henley on Thames. This project was a…
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HIGHWAY WIDENING - N18 BUNRATTY BYPASS. CO. CLARE, IRELAND
The N18 was constructed in 1990 over soft subsoils which were thought to be where the local river…
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PNEUMATIC DELIVERY FOR INFILL UNDER A RAIL STATION IN GLASGOW
LECA® LWA was installed for an infill under a rail station in Glasgow, near the Ibrox Stadium. This…
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BARNBY STREET RAIL STATION LONDON
Engineers developing Euston Station were struggling to continue with their planned project with…
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COURTYARD DEVELOPMENT, WARRINGTON
This project in Warrington was originally proposing to install crushed concrete (MOT/6f2) aggregate…
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U.S EMBASSY (LONDON)
Leca lightweight aggregate (LWA) (10-20mm) was selected as one of the core materials employed in…
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VICTORIAN RETAINING WALL ROCHDALE, MANCHESTER
Leca® LWA helps save a piece of history An attractive Victorian retaining brick wall has been in…
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LIVERPOOL | THE GROSVENOR PARADISE GREEN ROOF PROJECT
In order to minimise loading on the new structure, Leca® Lightweight Expanded Clay Aggregate…
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GRAND UNION CANAL FOOTBRIDGE | WATER EATON - MILTON KEYNES
CONSULTING engineers for the prestigious footbridge over the Grand Union Canal devised an…
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SWIMMING POOL COMPLEX | HUYTON, LIVERPOOL
Leca® Lightweight Expanded Clay Aggregate is a lightweight, free draining and insulating aggregate…
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HULL MINSTER GROUNDWORKS PROJECT
We recently delivered LECA® LWA to England's largest parish church Hull Minster with our unique…
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HARTHOPE VIADUCT | WEST COAST MAINLINE, MOFFAT, DUMFRIESSHIRE
Contractors seeking an urgent solution when large voids were found within the structure of a…
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M5 JUNCTION 21 | WESTON-SUPER-MARE
Leca® Lightweight Expanded Clay Aggregate has solved an embankment problem at the M5 Weston Super…
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REINFORCED EARTH® GEOSTRAP® SYSTEM WITH LIGHTWEIGHT AGGREGATE - HIGHWAY DEVELOPMENT
LECA® Light Weight Aggregate(LWA) was utilised to form part of the Muller Road retaining wall for a…
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M1 JUNCTION 12 WIDENING | BEDFORDSHIRE
LECA® LWA lightens the load for M1 widening Widening the 15 mile section of M1 motorway between…
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EMBANKMENT WIDENING | SHAP, CUMBRIA
The use of Leca® Lightweight Expanded Clay Aggregate for the widening of a railway embankment on…
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LIVERPOOL ALBERT DOCK - GREEN PLANTERS
LECA® LWA was specified for garden planters at the entrance of a new development in Liverpool…
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H23 STRAFORD BRIDGE DEVELOPMENT - LONDON RAIL LINE
The new H23 Stratford Bridge, which spans the main London rail line, provides access to an area of…
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ICONIC REDEVELOPMENT IN GOLDEN LANE - CENTRAL LONDON BARBICAN
Since 1997, the estate has been protected as a group of listed buildings of special architectural…
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COST-EFFECTIVE SOLUTION FOR RAISING THE SAGE - GATESHEAD
Leca® LWA provided a cost-effective solution for engineers faced with raising the level of a site…
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FEEDER ROAD TO THE A421 | BEDFORDSHIRE
Leca® LWA is a key constituent in a unique embankment constructed for a feeder road to the A421…
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STIRRAT STREET RAIL BRIDGE | PAISLEY
The Stirrat Street Bridge at Paisley was removed and a new, low maintenance permanent-way structure…
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EDINBURGH TRAMWAY | MURRAYFIELD STADIUM | EDINBURGH
Rugby fans will alight from the Edinburgh tramway system right outside the hallowed gates of the…
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BALHAM TRAIN STATION | LONDON
Passenger volumes on the South London main line network (including Balham Station) have been…
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RETAINING WALL DEVELOPMENT | MANCHESTER
LECA® Lightweight Fill was specified for a retaining wall development in Manchester. The…
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CARLETON ROAD BRIDGE DEVELOPMENT | SKIPTON
Over 900m3 of LECA® Lightweight Fill was installed for a new bridge development on Carleton Road,…
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UNDERTRACK PNEUMATIC DELIVERY FOR CYCLE PATH DEVELOPMENT | BATHGATE RAIL STATION
Over 1800m3 of LECA® Lightweight Aggregate (LWA) was installed for the Whiteside Overbridge for the…
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WEST COAST MAINLINE | MILTON KEYNES TO BLETCHLEY
One of the first major Network Rail Projects to utilise the benefits of Leca® LWA under track was…
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A120 TRUNK ROAD | STANSTED AIRPORT, ESSEX
Engineers for a major trunk road project specified Leca® LWA to meet construction challenges and…
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TRENCHERS FOOTBRIDGE | SLOUGH
The London Crossrail east-west rail network creation is one of the biggest infrastructure projects…
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NEW ESTATE ROAD | ROYAL ALBERT BASIN, LONDON
The use of LECA® geotechnical fill (LWA) as a lightweight fill solution for infrastructure works at…
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ROAD EMBANKMENT | CARDIFF INTERNATIONAL SPORTS VILLAGE
Leca® LWA provided contractors for groundworks at the site of a new international sports village…
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Appleby-in-Westmoreland Co-Op Office Refurbishment
When a disastrous flood swept through picturesque Appleby-in-Westmorland, engineers and contractors…
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Homes Refurbishment, Dudley, West Midlands
The search for a smarter way for replacing floors in council-owned homes led a Midlands local…
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Residential Conservatory Groundwork Construction in Leicester
Leca® Underfloor Insulation all-in-one insulation and infill solution is helping a Midlands…
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Decent Homes Refurbishment Project Gateshead
Overcoming difficult access and speeding up construction are just two of the key benefits…
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REINVENTING LANDFILL CELL CONSTRUCTION WITH LECA® LWA
Skanska has been quarrying rock at Häradsudden for many years. Now, Ragn-Sells has taken over the…
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REIMAGINING URBAN GREENSPACE OVER PARKING STRUCTURES
In the heart of Helsinki’s Töölö district, a major regeneration project transformed a closed…
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LIDL FLAGSHIP DISTRIBUTION CENTRE
Lidl’s £85M+ distribution centre in Järvenpää, Finland, stands as a benchmark in sustainable…
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The Supermarket Reborn and Integrated into the Urban Fabric of Cascais
The Auchan Bayview project in Cascais combines architecture, landscape, and sustainability,…
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Stabilisation with expanded clay on the B 432 in Ahrensbök
In the Ahrensbök area, the federal road B 432 showed clear signs of settlement – the load-bearing…
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Leca® LWA Delivers Frost Protection for Critical Infrastructure in Hålogalandsveien Tunnels
Hålogalandsveien stands as one of Northern Norway’s largest and most ambitious transport…
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LECA® LIGHTWEIGHT AGGREGATE (LWA) PROVIDES FIRE PROTECTION IN BYHAVEN
We recently visited the construction site of the Byhaven project in Fredrikstad, where we got a…
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EFFICIENT RENOVATION OF A HISTORIC FOOTBALL STADIUM
Located in Turku, the largest city in Southwest Finland, Veritas Stadium is a football stadium of…
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