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Overview - Aggregates Policy (Extended)

 

Summary

  1. Government policy on aggregates in England is contained in its policy for the spatial and land-use planning for minerals. There is no separate national economic policy for aggregates supply and use.
  2. The current policy is set out in Minerals Policy Statement 1: Planning and Minerals (MPS1) L0216 and its Annex A: Aggregates, published for the Department for Communities and Local Government (DCLG) by TSO (The Stationery Office) in November 2006. It can be accessed and downloaded at www.communities.gov.uk.
  3. Core policy is currently stated in the introduction to MPS1:
    • Minerals are essential to the nation's prosperity and quality of life, not least in helping to create and develop sustainable communities. It is essential that there is an adequate and steady of material to provide the infrastructure, buildings and goods that society, industry and the economy needs, but that this provision is made in accordance with the principles of sustainable development. In order to secure the long-term conservation of minerals it is necessary to make the best use of then.
  4. Ancillary policy objectives for aggregates are stated in paragraph 2.1 of Annex A to MPS1:
    • to encourage the use, where practicable, of alternative aggregates in preference to primary aggregate;
    • to encourage the supply of marine-dredged sand and gravel to the extent that environmentally acceptable sources can be identified and exploited, within the principles of sustainable development;
    • to make provision for the remainder of supply to be met from land-won sand and gravel and crushed rock. A key element of this is the maintenance of a landbank as an indicator of when new permissions for aggregates extraction are likely to be needed. Annex A indicates that there should be for each mineral planning authority at least 7 years' supply based on recent and expected production levels for sand and gravel, and 10 years for crushed rock
  5. Since 2002, aggregate extraction in Britain, uniquely among other minerals, has been subject to a tax (the Aggregates Levy), intended to compensate for the environmental impacts of extraction that cannot be removed through the imposition of planning conditions. This was initially set at £1.60p per tonne and since 2009 has been £2.00 per tonne. The tax was at first broadly revenue neutral, with about 90% of the expected initial revenue returned to all employers through a small permanent reduction in the rate of their National Insurance surcharge, and about 10% going into a Sustainability Fund for local projects and broader research and development work to help reduce the ongoing impacts of aggregate quarrying. The Sustainability Fund was abolished at the end of March 2011 and the Government will retain the revenues in future.
  6. Since the 1960s a system of managed aggregates supply has been operated in England and Wales, though Wales detached from full participation after devolution in the late 1990s. This is aimed at dealing with the persisting long-term imbalances in demand and supply between the different regions of England and Wales. In particular, the South East, Eastern England and Greater London, together with the South West, are significantly in deficit, and the surplus is largely supplied from the east Midlands, the South West and North Wales. While there are inter-regional movements elsewhere, the other regions are in a closer balance. The system comprises:
    • regular surveys of the pattern of aggregate supply;
    • Regional Working Parties (RAWPs) of local authority and industry representatives and
    • periodic issue by the Government of regional guidelines for future supply, based on assessments of expected future demand
    The guidelines are then considered by the RAWPs, and decisions taken at regional level (until about 2000) by local government planners of the sharing or "apportionment" of those guidelines, or alternatives that could be justified by objective evidence, to individual local authorities with responsibility for mineral planning (the County Councils in the 2-tier areas and the unitary all-purpose councils elsewhere). Following the General Election of 2011, the proposed abolition of regional-level planning and mounting political concern about the operation of the apportionment element of the system, its future and possible alternatives are currently being considered by the Coalition Government.
  7. The Coalition Government also announced in 2010 its intention to replace the present body of planning policy and guidance, including that for mineral planning, with a much shorter National Planning Policy Framework. The apparent intention is to set out high-level principles considered to be of primary national importance, and leave local authorities to decide how much additional detail on planning policy individual authorities should set out in their own documents. Decisions are awaited on the scope of national policy for minerals in general and aggregates in particular.

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Emergence of aggregate as a key construction material in the 20th Century

The steadily increasing use of aggregates in the UK is a response to radical changes in construction in the 20th century. The Victorians built mainly in stone, brick, iron and, latterly, steel. By 1900 maybe only 2 million tonnes of aggregate was used each year in Britain, largely for basic road-building, mortar and bulk fill. By 2000 this had reached 220 million tonnes. This reflects the shift to concrete as a major construction element and the huge growth of motor transport at the core of the economy and increasingly in social life, which required roads with stronger sub-bases that were sealed with asphalt.

For most of the first half of the 20th century aggregates supply was a local business (a feature that still largely persists, with an average haul to market of only 38km or 24 miles, despite the more recent overlay of long-distance inter-regional hard rock movement). The First World War kick-started a process of growth in the consumption of aggregates which continued into the inter-war period. By the late 1930s the demand for sand and gravel in the rapidly-developing regions of the greater South East – London, the Home Counties and along the trunk routes beyond – and the resulting pressure on the land, was noticed by geographers and the emerging planning profession. But the looming prospect of another major war diverted the attention of national policy-makers.


The development of policy: 1943-1976


The Second World War

It was the Second World War itself that gave a massive forward push to the demand for aggregates and stimulated a response in government policy-making which has persisted to the present day.

By 1943, planning for the invasion of Europe and the strategic bombing offensive together required a rapid expansion of aggregate supply. The widespread pattern of relatively small local sand and gravel pits, and hard rock quarries in the north, midlands and west of Britain, could not deliver the very large amounts of concrete needed for hard runways to carry the heavier bombers or the expansion of the docks to support the invasion of Europe, including building the Mulberry Harbours. The solution was to use wartime emergency powers to create a system of Interim Development Orders (IDOs), under which local authorities gave simple rapid consents to new or expanded quarries, subject to few if any conditions. Permissions granted under the IDOs were later validated in the post-war Planning Acts, and have led to some of the largest quarries in England still in production. It took until the 1990s for surviving IDO sites to be made subject to modern working conditions.

Post-war reconstruction – the first steps in systematic supply planning

After the war it was clear that the management of aggregate supply for concrete, asphalt and other construction uses would be essential for post-war reconstruction and economic recovery, initially within continuing rationing of construction materials. The post-war Government in 1946 appointed an Advisory Committee under Mr (later Sir) Arnold Waters to assess the future demand for sand and gravel. Waters was the first step on the road to establishing a separate planning regime for minerals, including the systematic forecasting of the need for aggregates. The forecasts consistently underestimated demand, as post-war recovery was succeeded by the economic growth of the 1950s and 1960s, but Waters laid the foundations for a system that has in its fundamentals survived to the present day.

Further evidence of the importance the post-war governments attached to mineral supply is seen in the publication in 1951 by the Ministry of Housing and Local Government of the first edition of "The Control of Mineral Working", known as the Minerals Green Book, and the precursor of the system of mineral policy guidance notes and statements issued from the late 1980s onwards. An important passage on general policies, emphasising the national need for minerals, noted that they aimed: "to ensure that mineral deposits needed, or likely to be needed, to meet future production requirements are not unnecessarily sterilised by surface development". It is also significant that the Government retained into the 1950s some direct powers to permit mineral working.

Development of comprehensive regional supply planning from the late 1960s

The concerns that led to the appointment of the Waters Committee continued throughout the 1950s and accelerated in the 1960s, following the construction boom and the growth of demand created by the motorways programme. Planning applications for extended or new aggregates extraction became increasingly contentious, and the maintenance and increase of supply became increasingly dependent on successful appeals against initial refusals. Towards the end of the 1960s Sand and Gravel Working Parties were established under local authority chairmanship after discussions between the Government, local authorities and the industry. Initially these were in the South East, based on the gravel service areas defined by the Waters Committee.

In response to the broader range of concerns about the increasing demand for aggregates on the one hand, and emerging perceptions of the resulting environmental impacts, in 1972 the Government appointed a Committee under the Chairmanship of Sir Ralph Verney to advise on the supply of aggregates to the construction industry. Verney reported in 1976, stating that:

"The continuing increase in levels of demand, the environmental pressures against extraction, and the limited contribution from marine and artificial sources, have led to a growing concern over the future sources of production."

In response it set out a key formulation of the essential balance to planning policy for aggregates which has endured ever since:

"The object of a policy for aggregates must be to achieve an adequate and steady supply to meet the needs of the construction industry, at minimum money and social costs. Creation of environmental nuisance by aggregates production and distribution cannot totally be avoided; but every reasonable effort must be made to minimise the environmental costs".

The Committee endorsed the extension of the regional Sand and Gravel Working Parties to cover most of England and Wales in the early 1970s, and their expansion to cover all aggregates sources. It also recommended another key element of what subsequently became the Managed Aggregates Supply System:

"Demand forecasts should be based on a wide-ranging analysis of past trends in the construction industry, together with carefully thought-out assumptions on the future development of the industry, and consequent assessment of demand for aggregates by end-use category and by material type. Forecasts should not rely too much on sophisticated statistical analysis and should not be projected to an unreasonable extent in future. We regard a period of 10-15 years as being reasonable for detailed forecasting".

While much of this prescription was followed, the complexity and perceived obscurity of the demand forecasts eventually became a disputed issue, notably after 1994.

Other key recommendations of Verney were:

The Verney Committee's report was largely adopted in England and Wales (though not in Scotland, where the tensions between demand and supply for aggregates were, and are, less acute). Its recommendations have had a large influence on the management of aggregates supply system up to the present. That system has the following core features:


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The development of mineral planning policy and law: 1976-1995

In parallel with concerns about aggregates supply dealt with by the Verney Committee, by the early 1970s the Government felt it was also necessary to look into wider aspects of the planning control of mineral working. The MHLG "Green Book" of 1951 was revised and reissued in 1960, but the arrangements for managing in all parties' interests what had become one of the most contested and controversial forms of development appeared inadequate. The Aberfan coal tip disaster in South Wales on October 1966 had highlighted the need for much better management of mineral wastes. In response, the then Government had committed itself to the removal of all spoil tips and the proper remediation and restoration of coal-mining land. This added to a general sense that a new and comprehensive approach to mineral planning was required.

In 1972 the Government therefore appointed Sir Roger Stevens to chair a Committee on Minerals Planning Control. It was asked to examine the operation of the law on the planning control of mineral exploration, extraction, surface workings and installations and related matter, including the planning control of aggregates.

Stevens reported in 1976. The Committee recommended:


Implementing the Stevens recommendations

Implementing Stevens proved a very long and hard process. This was largely because of the legal complexities raised by the proposals to interfere with existing mineral permissions, which had conveyed property rights that in normal circumstances could not be removed without payment of compensation. There were several false starts. However, over the next 20 years, considerable progress was made:


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Development of planning policy and law affecting aggregates since 1995

The period since 1995 has seen a consolidation of the trends in mineral planning policy and practice established over the previous 50 years and the emergence of some significant new elements. Notable developments included:

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