Case Studies

Gloucestershire Wildlife Trust Specify Leca® Flower in 50L Bags

Gloucestershire Wildlife Trust Specify Leca® Flower in 50L Bags

Leca Flower was recently specified by the Gloucestershire Wildlife Trust for a raingarden for the…
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3-bedroom Terrace House Underfloor Refurbishment

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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A595 MORESBY HALL HIGHWAY

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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Guggenheim Museum, Bilbao, Spain

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

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

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

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 WETLANDS

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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LONGTHORPE A47 FOOTBRIDGE

LONGTHORPE A47 FOOTBRIDGE

Leca LWA (Lightweight Aggregate) was recently specified for the new 30m Longthorpe A47 footbridge…
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The Largest Cantilever Bridge In The World

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

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 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, 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

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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Edinburgh Tram Network

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

M9 WINCHBURGH JUNCTION HIGHWAY DEVELOPMENT

Work has continued for the M9 Winchburgh development, where over 9000m3 of LECA®  LWA 10-20mm (…
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Falkirk Ground Work Engineering

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

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)

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

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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Over 3,750m³ of LECA® LWA was used in the construction of a ramp embankment that will carry the access road for waste vehicles entering and leaving the new Riverside Resource Recovery Facility, the largest energy from waste facility to be built in the UK.

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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Preston Western Distributor Road Phase 1 Lea Viaduct

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)

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)

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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LIVERPOOL TOBACCO WAREHOUSE APARTMENT

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

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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retaining wall development

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

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 for the Viking Energy Farm, Shetland

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

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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M6 Junction 10 Motorway

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…
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Preston Western Distributor Road Phase 1 Lea Viaduct

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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Groundwork Solution for Property in Bromsgrove

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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Pumping Station

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

CONVERTING A 19TH CENTURY TRAIN DEPOT IN LEEDS

UK railway network owner and infrastructure manager, Network Rail, awarded Buckingham Group…
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highway development

FINNINGLEY AND ROSSINGTON REGENERATION ROUTE SCHEME (FARRRS)

The Finningley and Rossington Regeneration Route Scheme (FARRRS) was carried out by Doncaster…
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St Brides

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

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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bridge development with LECA LWA

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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Retaining Wall

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

QUEENSFERRY CROSSING SCOTLAND

Leca UK has provided its expertise and materials to the construction of the new Queensferry…
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coastal development

BLACKPOOL SEAFRONT | BLACKPOOL

LECA® LWA geotechnical fill from Leca® UK helped the £80 million transformation of Blackpool’s…
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highway development

BERTHA PARK A9/ A85 PROJECT, PERTH, SCOTLAND

Leca®  Lightweight Aggregate was recently specified by Perth & Kinross Council’s design…
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Main Bridge

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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Bridge Development

NEWLANDS BRIDGE PROJECT

The Newland Bridge was constructed in 1992. Newland Bridge carries the A645 link road over the …
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Plant Filling

GREEN ROOF PLANTERS SOUTH EAST LONDON

The green credentials of two new apartment buildings in London were substantially enhanced with…
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LECA LWA within Rail Development

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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Lightweight Fill on hillside

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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highway viaduct back fill

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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swimming pool development

PONTEFRACT SWIMMING POOL DEVELOPMENT

We were recently specified for a concrete wall swimming pool in Pontefract, West Yorkshire. This…
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Green Roof Solution

ROOF-TOP FOOTBALL CENTRE | STAR CITY, BIRMINGHAM

Leca® Lightweight Expanded Clay Aggregate gives self-compacting, light, free-draining base layer to…
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Bridge Embankment

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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Green Roof Solution

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 development

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 Tunnel

PNEUMATICALLY DELIVERING LECA LWA UNDER A RAIL WAY ARCH

LECA® LWA was specified for the disused Ratho Station in Edinburgh. This project required an urgent…
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PNEUMATIC DELIVERY FOR INFILL UNDER A RAIL STATION IN GLASGOW

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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London Rail Barnby Street Development

BARNBY STREET RAIL STATION LONDON

Engineers developing Euston Station were struggling to continue with their planned project with…
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Courtyard Development

COURTYARD DEVELOPMENT, WARRINGTON

This project in Warrington was originally proposing to install crushed concrete (MOT/6f2) aggregate…
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Bio Lagoon Fill

LODGE FARM BIO-GAS LAGOON COVER - AMMONIA REDUCTION

Over 44m3 of Leca Lightweight Aggregate was pneumatically delivered to cover a Bio-Gas Digestate…
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Landscape Development US Embassy

U.S EMBASSY (LONDON)

Leca lightweight aggregate (LWA) (10-20mm) was selected as one of the core materials employed in…
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Retaining Wall

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 One

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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Bridge Engineering CANAL FOOTBRIDGE

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 development

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

HULL MINSTER GROUNDWORKS PROJECT

We recently delivered LECA® LWA to England's largest parish church Hull Minster with our unique…
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Viaduct installation

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

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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highway development

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 widening

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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highway development

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

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 Stratford Bridge

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

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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Leca® LWA provided a cost-effective solution for raising The Sage

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

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

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

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

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

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

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

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

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

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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The London Crossrail east-west rail network creation is one of the biggest infrastructure projects in Europe presently and certainly the most complex in the recent history of the UK rail industry.

TRENCHERS FOOTBRIDGE | SLOUGH

The London Crossrail east-west rail network creation is one of the biggest infrastructure projects…
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LECA® geotechnical fill (LWA) as a lightweight fill solution for infrastructure works at the Royal Albert Basin

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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Leca® LWA provided contractors for groundworks at the site of a new international sports village with a lightweight solution for a new road embankment over a former refuse tip subject to settlement.

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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