List of Consultancy Contacts


Carried out 1975-2013 by Geoff Wallis 1975 - 2013

Tower Bridge, London, Conservation Management Plan.  Historical assessment, condition survey, repairs specification and costed schedules of work for the Lancashire boilers, Armstrong Pumping Engines, accumulators and bascule drive engines for the City of London.

Houghton Mill, Huntingdon. Design and construction of new milling equipment comprising traditional millstones, driven by a modern electrical drive for The National Trust,

Goldhill Mill, Tonbridge, Kent.  Survey and specification of repairs to mill machinery and sluicegates.

Bristol City Council, Arnos Vale Cemetry.  Design of specialist operating gear for sliding gates.

Abbeydale Industrial Hamlet, Sheffield.  Advice on conservation policy.

Snugborough Mill, Gloucestershire.  Design of new waterwheel.

Windmill Hill Business Park, Swindon.  Survey of millwork.

Bedwellty Pits, Tredegar, Gwent.   Survey and specification of repairs to an early quarry winder.

Bembridge Windmill, Isle of Wight.  Survey of historic machinery and feasibility study for returning the Mill to partial operation for the National Trust.

Bourne Watermill, Colchester.  Annual inspection for the National Trust.

Shaws Corner, Ayot St.  Lawrence, Hertfordshire.  Survey and specification of repairs to a Lee Howl three-throw reciprocating well pump for the National Trust.

Houghton Mill, Huntingdon.  Annual survey of historic machinery for the National Trust.

Wicken Fen, Cambridgeshire.  Survey of historic machinery and specification of repairs for the National Trust.

Lode Mill, Cambridgeshsire.  Annual survey of historic machinery for the National Trust.

Black Country Living Museum, Dudley, West Midlands.  Advice and presentation on Channel 4 programme for North One Television series covering the restoration of the replica of the world’s first successful steam engine.

Nottingham City Council.  Survey of millstones and table hursting at Wollaton Hall.

Black Country Living Museum.  Survey and specification of repairs to full scale working replica atmospheric engine, and subsequent project management.

Elsecar Beam Engine, Barnsley.  Survey and specification for repairs to the oldest atmospheric engine in the world still on its original site, including shaft, and subsequent technical oversight of delivery phase.

Bembridge Windmill, Isle of Wight.  Annual survey of millwork for the National Trust.

Cornwall County Council, Robinson’s Engine, Heartlands Project, Pool. Condition survey, development of schemes for activating a beam engine, technical analysis, and assessment of costed options.  Supervision of volunteer work-parties

National Museum of Wales. Safety and conservation audit of all machinery at the Llanberis Slate Museum.  Survey and specification of repairs to line-shafting.

The National Trust, Houghton Mill, Huntingdonshire.  Survey of working flour milling equipment and waterwheel.

Saltford Mill, Bristol.  Survey of waterwheel and costed specification for repairs.

Clock Mill, Hay on Wye, Hereford.  Survey of waterwheel, costed specification for major repairs.

Stothert & Pitt rail-mounted crane.  Survey, preparation of costed schedule of repairs for Bath Stone Museum.

LMS turntable, Oxford. Update of costed repair proposals.

Fromebridge Watermill, Gloucs.  Survey of water-wheel, preparation of costed repairs specification.

North York Moors Authority.  Survey of all machinery at Home Farm Guisborough, preparation of conservation plans for two turbines, water-powered lift, woodworking machinery, and farm equipment.

Bath Stone Quarry Museum Trust, survey of a Stothert & Pitt rail-mounted timber-framed crane, specification and costing of repairs.

  Armstrong heavy lift Crane, Venice Dockyard, survey and preparation of proposals for conservation repairs for Venice Arsenale and ‘Venice in Peril’.

Friends Meeting House, Dorking, survey of early bi-parting timber screen and its operating mechanism, schedule of repairs and maintenance.

Hallington Mill, Nr. Newcastle on Tyne, survey of derelict water-wheel, specification and costing of emergency repairs for insurance purposes.

Nether Alderley Watermill, Cheshire, condition survey and costed schedule of repairs for the National Trust.

Bourne Watermill, Colchester, condition survey of millwork for the National Trust.

Bembridge Windmill, Isle of Wight, quinquennial survey of whole structure for the National Trust.

Llancayo Windmill, Nr. Usk, Wales.  Design of replica cap, sails, reefing stage and associated mill-work, advice during construction.

Naum Gabo sculpture ‘Revolving Torsion, Fountain’, (Tate Gallery Collection), St. Thomas’s Hospital, London, engineering survey and advice on restoration to working condition.

 ‘Cutty Sark’, Greenwich, London.  Trial repairs to wrought iron framing following the fire.

Underground waterwheel in Staffordshire 40ft diameter. Survey and preparation of restoration plans (private client).

Goonvean Beam Engine, nr St Austell, Cornwall.  Advice and specification for removal of a large listed Beam Engine to store, including later consultancy work advising English Heritage on LBC conditions for the Project.

Houghton Watermill, Huntingdon, survey of millwork for the Nat. Trust.

The Old watermill, Kakopetria, Cyprus, survey of millwork, design and subsequent repairs on site.

GWR Chain Shop, Swindon Railway Works.  Archival research, condition survey, preparation of costed schedule of conservation works.

Bourne Watermill, annual survey of millwork for the National Trust.

Marsh Windmill, Thornton Cleveleys, survey of electric drive gear on millwork and specification of repairs for Wyre Borough Council.

Theatre Royal, Drury Lane, London.  Condition survey of nineteenth century rising-stage hydraulic-rams, design and costing of system for reinstatement to working condition, and subsequent execution of the works.

Ashover Watermill, Derbyshire, survey of millwork and costed schedule of repairs for Ashover Council.

Lode Mill, Anglesey Abbey, condition survey of millwork and culverts for the National Trust.

Chiseldon Windmill, Swindon, emergency repairs and condition survey following serious damage by gales.

Chatterly Whitfield Colliery, Stoke on Trent. Survey of underground mining equipment  and exhibits in former museum.

Houghton Watermill, survey of millwork for the National Trust.

Bourne Watermill, survey of millwork for the National Trust.

Stretton Watermill, survey of millwork for Cheshire County Council.

Mill Green Watermill.  Survey of millwork for Hatfield Council.

Hestercombe Gardens, Somerset.  Survey of traditional millwork and barn equipment, repair-schedules and budgets.

Mill Green Watermill, Hatfield.  Condition survey.

Bishops Palace, Wells, Somerset.  Excavation and survey of underground water-powered water pump, with costed schedule of repairs and renewals.

Stretton Mill, Cheshire.  Condition survey and safety training for staff.

Nant-y-Coy Watermill, nr Haverfordwest.  Condition survey, drawings and repairs schedule.

Brixton Windmill.  Condition survey and costed repairs schedules.

Eling Tide Mill, Southampton.  Condition survey of millwork.

Stretton Watermill, Cheshire.  Survey of traditional millwork and training of staff

Hayle Mill, Tovil, Nr Maidstone.  Survey of early paper-making machinery with budgeted proposals for repair.

Mill Hotel, Sudbury.  Survey of waterwheel.

Arkley Windmill.  Condition survey and report.

Wootton Bassett Town Council.  Survey and proposals for repair of an eighteenth century horse-drawn fire pump.

Union Windmill, Cranbrook, Kent.  Study into the risks associated with wind damage to a Grade 1 listed windmill in a built-up area.

Earnley Windmill.  Condition survey and report.

The Science Museum, Wroughton, Swindon. Condition survey of sixteen items in the industrial collection, preparation of conservation and display proposals with costings.  

Glyn Pits, Pontypool.  Resurvey of the scheduled vertical overhead steam winding engine, and the beam pumping engine for CADW.

Mill Green Watermill, Halfield, Herts.  Survey and condition report.

Lode Mill, Anglesea Abbey, Cambridgeshire.  Staff training for the National Trust and survey of historic mill machinery

Bembridge Windmill, IOW.  Staff training for The National Trust.

Shugborough Park Mill, Stafford.  Staff-training, provision of H & S, Maintenance and Operation Guidelines.

Ironbridge Gorge Museum, Coalbrookdale Technology Centre.  Design and development of human-powered beam engine drive, and a mechanism to enable children to pull a locomotive.

Bembridge Mill, Isle of Wight.  Condition survey for The National Trust.

'Barry 10' Steam locomotives, condition survey for the Heritage Lottery Fund.

Bourne Watermill, Colchester, survey of machinery for The National Trust.


The Old Windmill, Frampton Cotterell,  design of new cap.

Bombay Wharf, Rotherhithe, London.  Survey, specification and budgeting for restoration of an electric crane on the riverside façade.

Caldbec Hill Windmill, Battle, Sussex.   Survey of defective sweeps.

Dee Mill, Llangollen.   Survey of Waterwheel and sluicegates.

Naum Gabo’s sculpture ‘Revolving Torsion Fountain’ for St. Thomas’ Hospital,

Levanthan Mill, Devon Survey of traditional millwork.

Boreham Mill, Warminster, Wilts.    Survey of Francis-type water turbine.

Brill Windmill, condition survey for Buckinghamshire County Council.

Houghton Mill, Huntingdon. Survey of damaged waterwheel for The National Trust.

The Mill, Ash Priors, Devon.   Design of new waterwheel.

The Mill Hotel, Sudbury, Suffolk.  Inspection of defective sluicegate and subsequent repair on site.

Outwood Windmill, Sussex, survey and specification of repairs to Britain’s oldest working windmill.

Grove Wind Mill, Coleshill, Bucks.  Survey and report on condition.

Ewhurst Windmill, Surrey.  Survey of cap and fantail and repairs specification.

Holland I Submarine.   Priced proposals for conservation for the Royal Naval Submarine Museum, Gosport.

Warnham Mill, West Sussex, Survey of waterwheel and repairs specification.

City Mill, Winchester.   Survey of machinery for National Trust, and specification for restoration of millstone furniture.

Goodnestone, Kent. Surveying horse gin and preparing proposals for restoration.

Lode Mill, Anglesea Abbey, Cambridgeshire, survey of working machinery for The National Trust.

Houghton Mill, Cambridgeshire, survey of working machinery for the National Trust.

Dee Mill, Llangollen, survey of waterwheel and sluicegates.

Shipley Windmill, West Sussex. Survey of fantail and specification for repairs.

Shalford Mill, Surrey, survey of millwork and preparation of conservation proposals for the National Trust.

Godalming Turbine.  Valuation of the 40T Turbine for the Ironbridge Gorge Museum Trust.

Arkley Windmill, Herts.    Survey (Repeat)

Mill Green Watermill, Herts. Survey (Repeat)

Coal Collection of the National Museum of Wales, and Big Pit.  Survey of the preparation of conservation plan.

Windmills for Kent County Council.  Survey of several, specification for repairs.

City Mill, Winchester.  Survey of waterwheel for The National Trust.

Ivybridge Town Council, Devon.  Survey of large cast iron water-wheel and driven machinery.

Emmetts Mill, Chobham.  Survey and specification for renewing waterwheel and sluice operating gear.

Brill Windmill, Bucks.  Survey and preparation of 5 year conservation plan for Buckinghamshire County Council.

Jameson Heritage Centre, Midleton, County Cork, Ireland. Survey of early beam engine, waterwheel, watercourses and extensive transmission.  

Gomshall Watermill, Sussex, survey and report on operating waterwheel.

Passingford Bridge Watermill, Romford, survey of Armfield turbine and driven equipment.

Mill Green Watermill, Herts.  Survey (Repeat).

Mill Hotel, Sudbury, survey of operating waterwheel (Repeat).

Kent County Council.  Inspection and report on the condition of seven Kent windmills.

Arkley Windmill, Hertfordshire.  Survey (Repeat).

British Waterways Museum, Stoke Bruerne, Towcester.  Inspection and report on a unique cast iron Canal Boat Weighing Machine.

Grove Windmill, Coleshill,  Amersham, Bucks. Survey (Repeat).

Sutton Poyntz. Feasibility study of Wessex Water’s unusual turbine pump and other historic machinery at and oil engine/pumps at Friar Wadden Pumping Station.

Arkely Windmill Hertfordshire.  Survey.

Sudbury, Suffolk.  Survey of iron waterwheel,.

I.K. Brunel’s Atmospheric Railway,  Devon.  Feasibility Study into replication.

Powis Castle Estate Sawmill.  Survey of historic machinery, provision of costed repair proposals.

Sarehole Mill, for Birmingham City Council.  Survey of watercourses, waterwheel, millwork and steam engine.

Birkhill Clay Mine for Bo’ness Development Trust Scotland.  Survey of Clay-processing Machinery.

Cogglesford Watermill, Sleaford, Lincs.  Proposals for electric motor drive.

New Hall Mill, Sutton Coldfield.  Survey and preparation of repair proposals.

Glyn Pit, nr   Pontypool, Gwent for Mid Glamorgan County Council.  Survey of vertical steam winder and rotative beam engine.

Triple Expansion Steam Engines, Kempton Park Pumping Station, London, for Thames Water Plc. Survey of large Worthington Simpson.

Town Mill, Totnes.  Excavation, survey and report on water turbine for Safeway Plc.

Laxey Waterwheel, Isle of Man for the Manx Government. Theodolite and Precision Level survey of support walls. (Repeat)

Bunbury Mill, Cheshire,  North West Water.  Survey of machinery.

Chiseldon Windmill, Swindon.   Inspection.  (Repeat).

Bestwood Winding Engine.  Condition survey for Nottinghamshire County Council.

Mill Green Watermill, Hertfordshire.  (Repeat).

Standon Paper Mill, Herts.  Survey and drawings for repairs.

Bembridge Windmill, Isle of Wight, for National Trust. Condition report.

John Stephenson Horse Tram for London Transport Museum.  Refurbishment.

Paddle Tug Reliant for National Maritime Museum, London. (Repeat)

Arkely Windmill, Hertfordshire.  Condition report.  (Repeat).

Grove Windmill, Buckinghamshire.  Condition report. (Repeat).

Arkley  and Coleshill Windmills, Amersham Buckingshire. Survey of mill and machinery.

Kidwelly Tinplate Works  Motorising of, hot and cold Rolling Mill  Engines.

Ford End Watermill Buckinghamshire.  Condition report.

Stansted Mountfitchett Windmill, Essex.  Survey of cap and curb.

Paddle Tug Reliant for National Maritime Museum, London.

Shugborough Park Farm, Stafford, for Staffordshire County Council. Millwork survey.

Mortimer's Cross Watermill, Lucton Nr. Leominster. Millwork survey.

Starvationer Boat at Lound Hall, National Mining Museum.  Condition survey.

Trevor Shaft Steam Winder, Lewis Merthyr Colliery, Trehafod. Motorising scheme.

Shipton Mill Watermill, Gloucestershire.  Waterwheel survey.

Ashton Windmill, Somerset, for Sedgemoor District Council. Survey £ condition report.

Lady Isobella Waterwheel, Isle of Man for the Manx Government.    Survey and  monitoring of worn water-wheel bearings and rods.

Mill Green Watermill, Hertfordshire Survey. (Repeat)

Dunkirk Mill, Gloucestershire.  Survey of 3 waterwheels and associated millwork.

Bersham Mill, Clwyd.  Survey of millwork.

Science Museum, London,  E. Hall.  Survey of four large steam engines, proposals for re-steaming.

Hathorn Davey Triple expansion steam engine at Victoria Pumping Station, for Bristol Waterworks Co.  Condition survey.

Sprotborough Pumping Engine House, South Yorkshire.  Measured survey.

Lady Isobella waterwheel at Laxey, Isle of Man for the Manx Government.    Survey of surviving mine pump equipment

Glenfield and Kennedy 1901 Beam Engine, for Bristol Waterworks Co.  Study to devise and cost method of motorising.

Scolton Manor Museum, Pembrokeshire. Survey of  agricultural and industrial collection for Dyfed County Council, designs for new museum displays.

Cefn Coed Colliery near Neath, Glamorgan. Survey of horizontal steam winder and Lancashire boilers.

Forge Mill, Redditch, nr. Birmingham.  Survey of needle-making machinery and waterwheel.

Rufford Mill, Nottingham, Survey of machinery at for Nottinghamshire C.C.

Felin Isaf, Gwynedd, Instruction on millstone dressing and other advisory work.

Town Mill, Perth, Scotland.  Survey of millwork.

Science Museum, London.   Costed proposals for restoration of Mirlees Diesel Engine, Gas Meter, lathe and hoist.

Blackgang Chine, Isle of Wight.  Drafting of operation, maintenance and safety guidelines, and visitor guidebook for the newly-opened Museum at (Also design, supply and erection of 24 m  displays and diorama.)

Tregurtha Beam Pumping Engine.  Survey for National Trust, Cornwall.

Lee Gommery Mill, Telford.  Inspection and report on condition after   severe fire damage.

The Mill Hotel, Sudbury, Suffolk.  Annual survey of the large operable waterwheel.

Bloxworth House, Dorset.   Specification for repairs to Fielding & Platt oil engine.

Somerset and Dorset Railway, Washford.  Schedule of repairs to steam locomotive.

Museum of English Rural Life, Stowmarket. Survey of Robey Portable Boiler.

HMS Warrior   Advice on replication on horizontal trunk engines for the Ships Preservation Trust.

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