Energy, Sustainability and Carbon – Page 8
Energy statements, Part L, the Future Homes Standard, whole life carbon and BREEAM.
Energy, Sustainability and Carbon articles – page 8
301 articlesRoof space competition: plant, solar panels and green roof
Policy asks a flat roof to carry plant, panels, greening and attenuation as though the others were not there. How to allocate the area, what biosolar needs, and how to condition it without freezing the plant.
Data centre heat recovery into a district heat network
Heat offtake is the benefit most likely to win support for a data centre, and the one most often asserted without evidence. What the application has to show about temperature, route, plant and the offtake agreement.
External terminations for heat recovery ventilation
Two holes in the envelope, a separation requirement and an elevation an officer is judging. Heat recovery terminations are a consent question long before they are a services one.
Energy centre flue height and dispersion modelling
Model first, then design the flue, then place it on the elevation. Building downwash, receptor heights and the Clean Air Act consent all sit behind the number on the drawing.
Overheating assessment assumptions for student accommodation
Student rooms are bedroom, study and living room at once, so standard TM59 occupancy profiles understate the risk. The assumptions you declare decide whether the assessment survives review.
Glint and glare assessment for a solar farm
Glint and glare assessment is a geometry exercise that calculates where reflected sunlight lands through the year. Aviation receptors carry the most weight and leave the narrowest mitigation options.
Post-construction energy verification conditions
Energy verification conditions ask you to prove after construction that the building performs as the approved statement said. What evidence discharges them, and what to do when the as-built figures fall short.
Future proofing claims in an energy statement
Future proofing claims divide into spatial, capacity and behavioural commitments. The first two can be drawn, dimensioned and conditioned. The third usually fails the tests in national guidance on the use of planning conditions.
Biomass heating and the air quality constraint
Biomass heating proposals are judged on particulate and nitrogen oxide emissions at the flue as much as on carbon savings. Smoke control areas under the Clean Air Act 1993 and nearby Air Quality Management Areas set the evidence burden.
Evidencing a local plan renewable energy target
Whether a scheme meets an on site renewable target depends on what the policy measures and against what baseline. How to run the calculation and evidence a caveat.
The energy hierarchy on a small residential scheme
The same three steps apply on a minor scheme, but two of them resolve in a paragraph. What to include, how to size the array, and how to avoid a major scheme template.
Heat pump arrays for flats: noise and roof design
An array of heat pumps serving a block behaves differently from one unit on a house. How cumulative noise, screening, maintenance access and roofscape effect are handled.
Foundations and embodied carbon on a difficult site
On poor ground the substructure can carry as much upfront carbon as the frame. How to compare piling, rafts, stone columns and foundation reuse, and what to submit.
Pre-demolition audits and circular economy statements
An audit produced after the demolition contractor is appointed cannot change anything. What to record element by element, how to express targets and what to report afterwards.
Energy statement for a conversion where the fabric is fixed
When the envelope cannot change, an energy statement has to document the search rather than report a number. Baselines, measures, constrained roofs and how to justify partial compliance.
Renewables on a rural site with a constrained grid connection
The network operator's answer on capacity sets the deliverable size of a rural renewable scheme. How export limitation, private wire arrangements and storage change what you should apply for.
Green roof specification and what counts as urban greening
A roof specified as biodiverse with 60mm of medium will not behave like one. How substrate depth, structural load and access shape a green roof specification, and how greening scores treat sedum mat.
Overheating in single aspect flats and the design responses
Bedrooms fail the night criterion before living rooms fail the daytime one. Which design moves close the gap, and which conflicts cannot be specified away.
Heat network connection safeguarding on an allocated site
Answering a heat network policy takes a drawing, not a paragraph. Plant space, safeguarded routes, easements and the conditions and obligations that secure them.
Energy statement for a listed building with limited fabric change
On a listed building the energy hierarchy meets a statutory duty. Which fabric measures are usually acceptable, which are refused, and how to document the balance.
Combined heat and power and the air quality objection
The carbon argument for gas combined heat and power has narrowed as the grid decarbonised, while the local nitrogen dioxide argument has not moved. An energy statement has to face that rather than bury it.
Biosolar roofs: energy, drainage and biodiversity together
Panels, substrate and attenuation compete for the same depth, the same structural allowance and the same access. Here is how the three requirements are reconciled.
Energy statements for warehouse and logistics schemes
Low regulated demand and a huge roof make warehouse energy statements behave unlike housing. Here is how to present the percentage, the absolute saving and the offset position.
Solar canopies over car parks: the planning route
Car park solar canopies sit outside the small standalone solar permitted development class. What a full application has to answer on clearance, drainage, lighting, trees and grid capacity.
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