Technical Booklet G Resistance to the Passage of Sound·Page 92·4.13
Sound insulation for historic buildings undergoing material change of use
For historic buildings where it is impractical to meet the standard sound insulation performance levels, district councils should refer to the flexibility provisions in paragraph 0.19.
For some historic buildings undergoing material change of use, it may not be practicable to improve the sound insulation to the performance standards set out in Table 1a of the section entitled "Guidance - Performance and introduction to provisions" and in such cases refer to paragraph 0.19 of that section.
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