- MIFA, IHBC, FSA
- Senior Historic Buildings Officer, Archaeology South-East
- Medieval and early post-medieval building construction in S.E. England, with particular emphisis on houses and farm buildings, pre 1750
- Medieval and early post-medieval buildings in their historical and landscape contexts
- Houses as homes: their contents and use
- Standing building recording and analysis for the purposes of research and conservation
- Quantity Surveyor
- Building Surveyor
- Interpretation and analysis of Historic Buildings in S.E. England
- Conservation and archaeological advice relating to the sympathetic, non-destructive reuse and adaptation of listed buildings
- 1992 -Senior Historic Buildings Officer, Archaeology South-East (UCL Institute of Archaeology).
- 1971-1992 - Director, Rape of Hastings Architectural Survey & Building Surveyor, Cogley Bros Ltd.
- 1966-1971 - Building Surveyor, William Ellis (Etchingham) Ltd.
- HNC Building
Membership of Learned Societies and Professional Recognition
- Fellow of the Society of Antiquaries of London.
- Member of the Institute of Field Archaeologists
- Member of the Institute of Historic Building Conservation
- President of the Vernacular Architecture Group, 1999-2001
- Tonbridge Civic Society award, 2005, for research relating to Tonbridge Castle Gatehouse
- Sussex Heritage Person of the Year (2006), award sponsored by West Sussex County Council
- Rape of Hastings Architectural Survey;
A study of the social and economic history of medieval East Sussex based on the evidence of more than 1150 individual interpretative surveys of houses earlier than circa 1750.
- Winchelsea, Sussex:
A major re-assessment of the documentary and physical evidence of Edward I’s planned town of Winchelsea, jointly funded by English Heritage, National Trust and East Sussex County Council.
- Falmer Court Barn, Falmer, E. Sussex:
Detailed archaeological interpretative survey of a major multi-period aisled barn. Commissioned by English Heritage.
- Topographical Survey of various parishes in E. Sussex:
Detailed documentary and architectural study of eighteen parishes for the Sussex Archaeological Society, East Sussex County Council and others.
- Survey of the Town Wall, Hastings, E. Sussex:
Detailed architectural and historical interpretative survey of the remains and environs of Hastings Town Wall, commissioned jointly by Hastings Borough Council and English Heritage.
- Headstone Manor, Pinner, Middlesex:
Detailed archaeological interpretative survey of the early timber frame of c1320 at Headstone Manor, in advance of extensive repairs. Commissioned by London Borough of Harrow.
- The Gatehouse, Tonbridge Castle, Kent:
Intensive interpretative recording of the 13th-century gatehouse at Tonbridge Castle, to inform Tonbridge & Malling Borough Council and their agents as to the significance and original form as a prelude to limited reinstatement and display to the public. Commissioned by Tonbridge & Malling Borough Council.
- Westenhanger Castle, Stanford, Kent:
Intensive interpretative recording of the remains of the 14th-century (and later) fortified manor house and outbuildings known as Westenhanger Castle as a prelude to extensive restoration and consolidation, with further work during conservation work. Commissioned by G Forge (Civil Engineering) Ltd, grant aided by English Heritage. (Ongoing)
- Wilmington Priory,Sussex:
A programme of archaeological recording commissioned by The Landmark Trust, in conjunction with English Heritage. An initial interpretation of the entire, very complex multi-phased monument aimed at informing the proposed programme of conservation work and alteration, with follow-on enhancement by detailed watching briefs and below-ground excavation.
- Hastings Castle, Sussex:
Commissioned by Hastings Borough Council. A re-assessment of the monument, including outline context recording. Purpose - to aid re-interpretation of the monument to the public and to assist in the management of the monument.
- Martin, D and Martin B forthcoming Farm Buildings of the Weald, 1450-1750. Heritage Marketing and Publications
- Martin, D and Martin B 2004 New Winchelsea, Sussex: A Medieval Port Town, Field Archaeology Unit Monograph No. 2, Institute of Archaeology, University College London. Heritage Marketing and Publications 2004
- Martin, D 2003 'Winchelsea - A Royal Town' in Archaeology in Sussex to 2000
- Martin, D 2003 ‘The Configuration of Inner Rooms and Chambers in the Transitional Houses of Eastern Sussex’ in Vernacular Architecture 34
- Martin, D and Martin B 2001 'Westenhanger Castle - A Revised Interpretation' in Archaeologia Cantiana 121, 203-236
- Martin, D and Martin B 2001 'Detached Kitchens or Adjoining Houses? - A Response' in Vernacular Architecture 32, 20-33
- Martin, D 2001 'Forgotten buildings: detached kitchens in Southeast England' in Archaeology International
- Martin, D 2000 'End Reversal during the Conversion of Medieval Houses in Sussex' in Vernacular Architecture 31, 26-31
- Martin, D 1999 'Medieval Winchelsea' in B Short and K Leslie (eds) Historical Atlas of Sussex
- Martin, D and Martin B 1999 'Adapting Houses to Changing Needs: Multi-phased Medieval and Transitional Houses in Eastern Sussex' SAC 137, 121-132