(with Anderson D.R., and Diamond Redfern Anderson, Dublin, Ireland).
Holiday Village at Castlepark, Kinsale, Ireland, (Johnston L.N., Project Architect), Medal for Housing, The Royal Institute of the Architects of Ireland. European Heritage Year Award.
City Quay, Dublin, International Housing Competition, (Johnston L.N., Team Leader). Joint Winners.
House at Golden Bay, Cong, Co.Mayo. Published. (Johnston L.N., Project Architect).
Youth Centre at Broughshane, Co.Antrim, ( Johnston L.N., Project Architect).
Prefabricated Modular Housing Construction System, (Johnston L.N., Chief Designer).
Housing at Dervock and Armoy, Co.Antrim, (Johnston L.N., Project Architect), The Royal Institute of British Architects, Regional Award.

Pre 1976
Johnston L.N., and O'Beirne T.
Standard House Plans for Rural Cottages, Irish Dept. of Local Government. Published.
Johnston L.N.,
House at Oysterbed Pier, Sneem, Co.Kerry. (Completed)
House at Killarney Road, Bray, Co.Wicklow Published. (Completed)
Two Houses at Royal Terrace West, Dun Laoghaire. (Completed)
Five Houses at Sorrento Lawn, Dalkey, Co.Dublin. (Completed)
House at Windgates, Bray, Co.Wicklow. Published. (Completed)
House at Kilcroney, Enniskerry, Co.Wicklow. Published (Completed)

House at Greenhills Road, Wicklow, Co.Wicklow. (Completed)
House at Killiney, Co.Dublin. (Completed)
House at Blackberry Lane, Delgany, Co.Wicklow. (Completed)
Competition Entry for Industrial Craft Centre and Housing in Connemara Fishing Village, Roundstone, Co.Galway. (Unsuccessful)

Two Houses at Killarney Lane, Bray, Co.Wicklow. (Completed)
Cottage at Forth Mountain, Co.Wexford. (Completed)
Interior Design, Irish National Permanent Offices, Hanover Trade Fair, West Germany. Published. (Completed)
'The Fountain Centre', Office and Shopping Complex, Belfast CBD. Published. (Completed)

House at Roscath, Co.Wicklow. (Unbuilt)
House at Rocky Valley, Kilmacanogue, Co.Wicklow. (Completed)
Irish National Exhibition Stand, Interidex, Basel, Switzerland. Published. (Completed)
Restoration and Refurbishment, The Royal Hibernian Hotel, Dublin. (Completed and Subsequently Demolished)
Proposals for the Revitalisation of Battersea Park, London. Third Place in International Competition. Published. (Unbuilt)

Two Houses at Lackandaragh, Glencree, Co.Wicklow, National Trust for Ireland 'In Context' Award. CHASA Refereed Design Citation 1988. Published. (Completed)
House at Ellistown, Co.Kildare. (Unbuilt)
Commercial and Office Development, College Green, Dublin. (Unbuilt)
Town House at Fortfield Gardens, Dublin. (Unbuilt)
Lakeside Holiday Development, Urra, Lough Derg, Co.Tipperary. (Partially Completed)
Proposals for the Design of a New Prime Minister's Residence and State Guest House, Phoenix Park, Dublin. International Competition. Shortlisted Entry. (Unbuilt)

Multi-storey Car Parking Station, High Street, Belfast. (Unbuilt)
Restoration of 1780 Georgian Terrace, Nassau Street, Dublin. (Completed)
Restoration and Refurbishment, Exchange House, Exchange Street, Dublin. (Completed)
Restoration of Historic Building, Lower Ormonde Quay, Dublin. (Completed)

Experimental Low Energy Solar House, Ballybawn, Co.Wicklow. Published. (Completed)
Restoration of Warehouse Building as Offices, Store Street, Dublin. (Completed)
Restoration of Georgian Terrace House, Kildare Street, Dublin. (Completed)
Johnston L.N., in collaboration with Irish Construction Development Services, Dublin and Mohamed Al Sabek, Riyadh
Sports Complex at Abqaiq, Saudi Arabia. (Completed)

House at Ardeevin Road, Dalkey, Co.Dublin. (Completed)
Shop Interiors at Queen's Arcade, Belfast and Limerick. (Completed)
Redesign and Documentation of 64 Apartments at Raheny, Co.Dublin. (Completed)
Development of 12 Apartments at Strand Road, Bray, Co.Wicklow. (Unbuilt)
Development of 12 Holiday Cottages at Dromineer, Co.Tipperary. (Unbuilt)

Master Plan, Housing Layouts and House Designs for 'Model Village' of 706 Houses and Support Facilities at Kilruddery, Co.Wicklow. (Unbuilt)
32 Houses at Killarney Road, Bray, Co.Wicklow. (Unbuilt)
8 Town Houses at Avondale Lawn, Blackrock, Co.Dublin. (Unbuilt)
Interiors of Shops at Newtownards and Grafton Street, Dublin. (Completed)

House at Ballyreagh, Glencree, Co.Wicklow. (Completed)
52 Town Houses at Bettyglen, Co.Dublin. (Completed)
36 Apartments at Serpentine Avenue, Ballsbridge, Dublin. (Completed)

48 Town Houses and Sheltered Dwellings, Foxrock, Co.Dublin. (Completed)
Multi-Purpose Sports Hall, St.Gerard's School, Bray, Co.Wicklow. (Completed)

House at Charlotte Street, Merewether, NSW. (Completed)

House on the Waterfront, 5 Coal Point Road, Coal Point, NSW. Winner of Regional Award (Overseas), The Royal Institute of the Architects of Ireland 1992. Winner of Commendation in National Dulux Colour Awards 1990. CHASA Refereed Design Citation 1990. Exhibited and Published. (Completed)
Weekend Retreat, Watagan Mountains, Cooranbong, NSW. (Concept Design)
House at Tolga, Atherton Tablelands, Qld. (Unbuilt)
House on the Waterfront, 11 Coal Point Road, Coal Point, NSW. CHASA Refereed Design Submission 1990. (Completed)

Commercial Development at Pacific Highway, Charlestown, NSW. CHASA Refereed Design Citation 1990. Published. (Unbuilt)
Multistorey Car Parking Station, Smart Street, Charlestown, NSW. (Unbuilt)
House at Richardson Road, Raymond Terrace, NSW. (Completed)

Two Houses at McMaster's Beach, Central Coast, NSW. (One Complete) 
House on the Waterfront at Mark's Point, Lake Macquarie, NSW. (Completed)
Office Building at King Street, Raymond Terrace, NSW. Winner of Charles Davis Merit Award, Lower Hunter Civic Design Awards 1990. CHASA Refereed Design Citation 1991. Exhibited and Published. (Completed)

House at Rothbury, Pokolbin, NSW. (Concept Design)
House on the Waterfront at Skye Point Road, Lake Macquarie, NSW. CHASA Refereed Design Citation 1992.; Bill Hudson Award for Best Residential Building, Lower Hunter Civic Design Awards 1992 , Exhibited and Published. (Completed)
Country House at Camolin, Co.Wexford, Ireland. CHASA Refereed Design Citation 1992. Published. (Completed)

Athlone Riverside, Library and Restaurant Complex on the River Shannon, Athlone, Ireland. Published. (Unsuccessful Competition Entry)
House at New Lambton Heights, Newcastle, NSW. (Unbuilt project)
House at Wallaby Point, Taree, NSW. (Unbuilt Project)

Experimental Sustainable House at Four Horizons, Watagan Forest, NSW. Winner of the Royal Australian Institute of Architects NSW Chapter Environment Award 1997. Exhibited and Published Internationally. (Completed)

House at Eaglereach, Vacey, NSW. (Completed)
House at Mt. Vincent, NSW. (Completed)
House at Kilaben Bay, Lake Macquarie, NSW, Australia Winner of Regional Award (Overseas), The Royal Institute of the Architects of Ireland 1995. Exhibited and Published. (Completed)

House at Fishing Point, Lake Macquarie, NSW. (Completed)

House at Highfields. Newcastle, NSW. (Completed)

Design for Sustainable Low-cost House, Maitland, NSW. (Unsuccessful Competition Entry)
Four Horizons Tourist Eco Lodges, Watagan Forest, NSW. Winner of Royal Australian Institute of Architects NSW Premier’s Award 2000. Winner of Regional Award (Overseas), The Royal Institute of the Architects of Ireland 1999. Exhibited and Published Internationally. (Completed)

House at The Grange, Redhead, NSW. (Completed)
House at Mindaribba, Maitland, NSW. (Completed)

Hospitality Venue for Sydney Olympics 2000, Homebush, Sydney. Consultant with Woods Bagot Architects. (Completed)

Design for Low Energy Residential Apartment Development, Hunter Street, Newcastle, NSW. Consultant with Herd/Bourne and Blue Architects. (In Design Stage)
Design of Rural Health Facilities, SRHSTP Program for NSW State Government. With Woods Bagot Architects. (In Design Stage)
Design for a Solar Low Energy House at Crammond, Edinburgh, Scotland. (In Design Stage)