Air source heat pump noise at Woodside Park, Catteshall Lane

“The proposal is an application under Section 96A to vary condition 19 of WA/2023/01048, which limits noise levels from air source heat pumps, to allow a change to the way in which noise emanating from the ASHPs would be measured.”

“Noise resulting from the use of the Air Source Heat Pumps shall not exceed a level of 5dB LAeq below the existing background level when measured according to British Standard BS4142:2019 (or as updated), at a point one metre external to the nearest noise sensitive premises.”

“The site is located on the south side of Catteshall Lane, where the consented scheme is currently under construction, to provide 6no. 1-bedroom and 6no. 2-bedroom affordable flats. The site formerly contained an office building, which was demolished as part of the outline and reserved matters permissions for the redevelopment of Woodside Park.”

“The surrounding area consists of a mix of residential and commercial developments. To the north of the site is a former office development (Sandford Mews) which has been converted to residential use, and the rear garden of the adjacent dwelling ‘Rosedale’ is to the east. The ambulance station is to the northwest and a recently completed apartment building is located in close proximity on the southwestern side of the application site.”

“WA/2025/00282 Application under section 73 to vary condition 19 of WA/2023/01048 (limits the noise levels from air source heat pumps) to allow an increase of noise level details. Withdrawn, 06/05/2025 WA/2023/01048 Erection of a building comprising of 12 flats together with associated parking, bicycle store and bin store.”

“WBC Environmental Health Officer No objection, subject to amended conditions Godalming Town Council Not received at the time of writing…”

“A Noise Impact Assessment was submitted in support of this application. This includes different locations for some of the proposed ASHPs than as indicated on the approved plans for the full planning permission.”

“(a) The findings of a noise survey (undertaken in accordance with BS 4142 or such other standard acceptable to the Local Planning Authority) to determine noise levels in the vicinity of the proposed development; (b) Written details and calculations showing the likely impact of noise from the development on residents within and outside the development; (c) If needed, a scheme of works or such other steps as may be necessary to minimise the effects of noise from the…”

“Following the debate, the Committee voted in favour of the officers’ recommendation to grant permission 11 in favour, none against and no abstentions Decision…”

“Subject to amended conditions 1-2 and informative, the non-material amendment is APPROVED”