Changes to listed buildings- the need for listed building consent C a r o l i n e M a g u i r e N I E A B u i l t H e r i t a g e

1. Research your building NIEA

1.Research Repositories of records Monuments and Buildings record IHR database Clokey collection Catalogues of Cooley Drawings archive Library Photographic collections

1.Research Other sources Diocesan archives PRONI Building control Archives Databases held in libraries Irish Architectural Archive RIBA library Online sources Architectural firms

1.Research Building Control archives

2 Be guided by the Principles of conservation I Minimum intervention II Maximum retention of historic fabric IIIReversibility IVClarity ICOMOS charters/ PPS 6/PPG15 Conservation principles- English Heritage The aim of conservation should be to retain, recover or reveal as much of the historical significance as is possible of the heritage object, whether building or artefact

2. Principles of Conservation I Minimum intervention

2Principles of Conservation Minimum intervention-Present day -

2Principles of Conservation Historic and present day

2. Principles of Conservation II Maximum retention of historic fabric

2Principles of Conservation Ballydugan mill

2Principles of Conservation Corporate sign-up- Northern Bank

2Principles of Conservation Ballynahinch and Hillsborough

2. Principles of Conservation III Reversibility No work is undertaken which precludes the possibility of return to the original state

2. Principles of Conservation IV Clarity

3 Understand your building Knowledge of material behaviour- Breathability Importance of maintenance

3Understand your building Rahan Church- before conservation works

3Understand your building Rahan Church after restoration works

3Understand your building Rahan Detail of window opening before and after

3Understand your building Interior detail

3Understand your building Importance of maintenance

3Understand your building Importance of Maintenance

3Understand your building Maintain outlets

3Understand your building Building elements

3Understand your building Building-in regular maintenance programs