Reports commissioned by Ofwat
Report on the Horizontal Audit of the Service Incentive Mechanism (SIM)
A report prepared for Ofwat by Halcrow
18/Oct/2011 (PDF - 1015 KBytes)Ofwat – Consumer experience survey Wave 1-4 Results
A report prepared for Ofwat by McCallum Layton
18/Oct/2011 (PDF - 903 KBytes)Accounting separation: definition of services in the water and sewerage industry
20/Jun/2011 (PDF - 367 KBytes)Bottom up modelling for the water industry
A report prepared for Ofwat by Deloitte
16/Jun/2011 (PDF - 512 KBytes)Cost assessement– use of panel and sub-company data
A report prepared for Ofwat by CEPA and Mott MacDonald
16/Jun/2011 (PDF - 2 MBytes)Attitudes to water services in a changing climate: appendices (Volume 2)
15/Jun/2011 (PDF - 3 MBytes)Attitudes to water services in a changing climate: Report of research findings (Volume 1)
15/Jun/2011 (PDF - 1009 KBytes)The Use of Revealed Customer Behaviour in Future Price Limits – Alternative Industry Structures
6/Jun/2011 (PDF - 290 KBytes)The Use of Revealed Customer Behaviour in Future Price Limits
A report prepared for Ofwat by eftec and Cascade Consulting
6/Jun/2011 (PDF - 824 KBytes)Annual Quality Assurance of Ofwat's Initial Serviceability Assessments 2009/10
A report for Ofwat prepared by Mott MacDonald
28/Oct/2010 (PDF - 510 KBytes)Improving regulatory reporting and compliance
A report prepared for Ofwat by Keith Harris
25/Oct/2010 (PDF - 111 KBytes)Future Price Limits – Risks and Incentives: Options Appraisal
A report prepared for Ofwat by Europe Economics
20/Oct/2010 (PDF - 1 MBytes)Future price limits ― Form of control and regulated/unregulated business
A report for Ofwat prepared by Frontier Economics
20/Oct/2010 (PDF - 1 MBytes)Quadripartite Groups (QGs)/ Wales PR09 Forum – their role, achievements during the 2009 Price Review and potential for the future
A report by the Consumer Council for Water
20/Oct/2010 (PDF - 34 KBytes)The process of negotiating settlements at FERC
A report for Ofwat prepared by Stephen Littlechild
20/Oct/2010 (PDF - 146 KBytes)Consumer Choice in the Water Sector
A report for Ofwat prepared by ESRC Centre for Competition Policy, University of East Anglia
20/Oct/2010 (PDF - 281 KBytes)Comparative Study: Cost of new water supply connections work (Section 45 Water Industry Act 1991)
A report for Ofwat prepared by Hyder Consulting (UK)
28/Sep/2010 (PDF - 142 KBytes)Pricing for Bulk Water and Sewerage Services
A report for Ofwat prepared by Cambridge Economic Policy Associates
5/Mar/2010 (PDF - 499 KBytes)Executive Summary: Findings from the Cost Base Audits (March- May 2009)
27/Aug/2009 (PDF - 555 KBytes)Introduction to competition proposals and financing issues: a report for Ofwat
25/Feb/2009 (PDF - 27 KBytes)Competition proposals and financing issues: a report for Ofwat
Report commissioned by Ofwat from Richard Nourse
25/Feb/2009 (PDF - 151 KBytes)Review of regulatory and legal options for reducing surface water in sewers
19/Dec/2008 (PDF - 1 MBytes)Deliberative research concerning consumers' priorities for PR09 for the Water Industry Stakeholder Steering Group
13/Jun/2008 (HTML - 2 KBytes)CCWater charging research 2007
Report commissioned by Ofwat/CCWater from ORC International
23/Apr/2008 (PDF - 1 MBytes)Hull flooding June 2007 - expert opinion
Report commissioned by Ofwat from WRc
18/Mar/2008 (PDF - 186 KBytes)Providing best practice guidance on the inclusion of externalities in the ELL calculation guidance
13/Nov/2007 (PDF - 847 KBytes)Providing best practice guidance on the inclusion of externalities in the ELL calculation - main report
13/Nov/2007 (PDF - 330 KBytes)Assessing approaches to expenditure and incentives
Report commissioned by Ofwat from Oxera
18/Oct/2007 (PDF - 466 KBytes)Lessons from recent assessments of benefits of water service improvements: report co-funded by Ofwat and UKWIR
21/Aug/2007 (PDF - 626 KBytes)Advice on capital works unit costs (cost base): report commissioned by Ofwat by Jacobs
31/Jul/2007 (PDF - 394 KBytes)Development of capital expenditure estimating assessment: final report for all deliverables. Report commissioned by Ofwat from Faithful and Gould
31/Jul/2007 (PDF - 705 KBytes)What is the cost of reducing ammonia, nitrates and BOD in sewage treatment works effluent?
Report commissioned by Ofwat from Oxera
8/Jan/2007 (PDF - 354 KBytes)Independent review to assess whether there are economic partial solutions to problems caused by intermittent storm discharges to the Thames Tideway
Report commissioned by Ofwat from Jacobs Babtie
14/Feb/2006 (HTML - 2 KBytes)Development of the water industry in England and Wales
Jointly produced by Defra and Ofwat
27/Jan/2006 (PDF - 773 KBytes)Water Framework Directive: Economic analysis of water industry costs
Report co-funded by Ofwat and Defra as a contribution to the Collaborative Research Programme
21/Nov/2005 (PDF - 1 MBytes)Review of econometric cost modelling of chemical phosphorus removal works
Report commissioned by Ofwat from Oxera
21/Nov/2005 (DOC - 244 KBytes)Capital maintenance review: independent assessment of Ofwat's PR04 process. Initial Review - May 2004
Report commissioned by Ofwat from Mott MacDonald
6/Sep/2004 (PDF - 585 KBytes)Capital maintenance review - independent assessment of Ofwat PR04 process to draft determination
Report commissioned by Ofwat from Mott MacDonald
6/Sep/2004 (PDF - 241 KBytes)Capital maintenance review: independent assessment of Ofwat's PR04 process: summary report
Report commissioned by Ofwat from Mott MacDonald
10/Aug/2004 (PDF - 181 KBytes)Forecasting Optional Metering Uptake (edited sections for Ofwat website)
Report commissioned by Ofwat from Europe Economics
5/Aug/2004 (PDF - 542 KBytes)Assessing the benefits of reducing the risk of flooding from sewers
Report commissioned by Ofwat from Flood Hazard Research Centre at Middlesex University
5/Aug/2004 (PDF - 814 KBytes)Customer research 2004 survey of customers affected by sewer flooding final report
Report commissioned by Ofwat from Research by Design
5/Aug/2004 (PDF - 405 KBytes)Review of the impact of general decline in pensions funds on RPI
Report commissioned by Ofwat from Europe Economics
3/Aug/2004 (PDF - 39 KBytes)Investigation into opex productivity trends and causes in the water industry in England and Wales: 1992-93 to 2002-03. Main report - final
Report commissioned by Ofwat from Stone & Webster Consultants
10/Jun/2004 (PDF - 773 KBytes)Investigation into evidence for economies of scale in the water and sewerage industry in England and Wales
Report commissioned by Ofwat from Stone & Webster Consultants
15/Jan/2004 (PDF - 1 MBytes)External review of the reporters' audit of water company draft business plans - Summer 2003
Report commissioned by Ofwat from Babtie
9/Jan/2004 (PDF - 261 KBytes)Structure of the water industry in England: does it remain fit for purpose?
22/Dec/2003 (HTML - 2 KBytes)PR04: Scope for efficiency improvement - uncertainties and measurement issues
Further report commissioned by Ofwat from Europe Economics complementing initial assessment
18/Dec/2003 (PDF - 649 KBytes)Customer research 2003: periodic review - national report. Executive summary
16/Dec/2003 (PDF - 289 KBytes)Customer research 2003: periodic review - national report. Final report
16/Dec/2003 (PDF - 4 MBytes)Customer research 2003: periodic review - company results. Final report
16/Dec/2003 (PDF - 2 MBytes)Investigation into the costs of sewer flooding alleviation schemes
Report commissioned by Ofwat from Babtie
18/Nov/2003 (DOC - 541 KBytes)Paying for water customer research - Executive Summary
Report commissioned by Ofwat and WaterVoice from Accent Marketing & Research
18/Sep/2003 (DOC - 42 KBytes)Paying for water customer research
Report commissioned by Ofwat and WaterVoice from Accent Marketing & Research
18/Sep/2003 (PDF - 1 MBytes)Ofwat stakeholder research: Final report
Report commissioned by Ofwat from Eureka! Research
16/May/2003 (DOC - 240 KBytes)Future approaches to leakage target setting for water companies in England and Wales: an investigation by WRc with Stone and Webster Consultants for the Tripartite Group of the Department for Environment, Food and Rural Affairs, the Environment Agency and Ofwat
8/Apr/2003 (HTML - 1 KBytes)Scope for efficiency improvement in the water and sewerage industries - Appendices
Report for Ofwat by Europe Economics
27/Mar/2003 (PDF - 433 KBytes)Scope for efficiency improvement in the water and sewerage industries
Report for Ofwat by Europe Economics
27/Mar/2003 (PDF - 584 KBytes)Ofwat study into the effects of regulatory policy on company investment decision-making
27/Mar/2003 (DOC - 62 KBytes)Study into certain aspects of the cost of capital for regulated utilities in the U.K.
13/Feb/2003 (PDF - 715 KBytes)Optimum entity size in the water industry of England and Wales: A review of factors which influence the size of companies
Report commissioned by Ofwat from Strategic Management Consultants
10/Jul/2002 (DOC - 580 KBytes)Investigation into the costs of sewer flooding alleviation schemes: Final report
30/Apr/2002 (PDF - 420 KBytes)Development of enhanced serviceability indicators for sewerage assets: final report by Ewan Associates for Ofwat and the Environment Agency
8/Nov/2001 (PDF - 1 MBytes)Investigating enhanced serviceability measures for water supply assets. Phase 3: Indicators from water quality data
Final report by WRc and BHR Group for Ofwat and DWI (UC 3946)
26/Oct/2001 (PDF - 1 MBytes)Protection for vulnerable customers: report prepared for Ofwat by DVL Smith Ltd
26/Jul/2000 (PDF - 269 KBytes)Water and sewerage industries: general efficiency and potential for improvement. An update by Europe Economics and Professor Nick Crafts for Ofwat
27/Jul/1999 (PDF - 2 MBytes)Review of costs to balance and demand. Project 1: review of desalination; final report to Ofwat by Mott Macdonald
23/Mar/1999 (PDF - 7 MBytes)Periodic review public consultation: executive summary. Prepared by Research by Design for Office of Water Services
Full document available from the Ofwat Library
4/Mar/1999 (PDF - 101 KBytes)Final report [to Ofwat] on operational benchmarking and cost reduction by PA Consulting
17/Feb/1999 (PDF - 3 MBytes)Report and opinion on the scope for widescale adoption of lower costs technologies and practices in the water industry: final report by Babtie Environmental for Ofwat
15/Feb/1999 (PDF - 10 MBytes)Water pricing: The importance of long run marginal costs
Prepared for Ofwat by London Economics
11/Feb/1997 (PDF - 3 MBytes)