Offices Nationwide

The Decibel Scale
Gives an approx of human perception of loudness. This is because the human ear has a logarithmic response to changes in sound level...more

Air Testing & Leakage
We have a checklist you can download for Air Leakage Testing. If you follow our air tightness checklist, this will improve your likelihood to achieve a pass!
Part E
Resistance of the Passage of Sound

Copyright 2025 E2 Specialist Consultants Limited
Company No. 06728970
In Area L
New Build On Construction EPCs in Lacock, Domestic Carbon Emission Calcs in Ladybank, Domestic Industrial Noise Surveys in Lairg, Standard Assessment Procedure in Lakenheath, Domestic Thermography in Lamberhurst, Commercial Sound Testing Part E in Lambeth, Commercial Sound Testing Hotels in Lambourn, TER DER Calc in Lamlash, Domestic Sound Testing Schools in Lampeter, SBEM Calcs in Lanark, Part G Water Calculations in Lancaster, Commercial EPC Rating in Lanchester, Commercial Environmental Noise Assessments in Lancing, Domestic Environmental Noise Assessment in Lands End, Commercial EPC Ratings in Langholm, Industrial Noise Survey in Langley Mill, TER DER Calcs in Langport, BB93 Acoustic Design of Schools in Lanreath, Commercial Noise Survey For Residential Development in Larbert, Commercial Sound Testing Part E in Largs, Commercial BB93 Acoustic Design of Schools in Larkhall, Code Assessments in Larne, Commercial Thermal Imaging Surveys in Lasswade, Sound Testing Part E in Laugharne, Building Thermal Imaging Survey in Launceston, Asbestos Survey in Laurencekirk, Part E in Lavenham, Party Floor Sound Testing in Lawence Hill, Part G Water Calc in Leamington Spa, BREEAM HEA03 Thermal Comfort in Leatherhead, DSM Thermal Modelling in Lechlade, Domestic Building and Room Acoustics in Ledbury, New Build Domestic EPCs in Lee, Sound Insulation Testing in Lee-on-the-Solent, Thermal Imaging Survey in Leeds, Part F Testing in Leeds, Thermography Surveys in Leek, Commercial Air Pressure Testing in Leicester, Domestic Sound Testing Environmental Noise in Leigh, Domestic Heat Loss Survey in Leigh-on-Sea, Water Usage Calculation in Leighton Buzzard, SAP Extension Assessment in Leiston, C4SH in Leominster, Commercial Sound Testing HMOs in Lerwick, Commercial Thermography Surveys in Leslie, BRUKL Reports in Lesmahagow, SAP Extension Calculations in Letchworth, New Build EPCs in Leven, Thermography Survey in Lewes, Commercial BS8233 Noise Assessments and Noise Surveys in Lewisham, Thermography Survey in Leyburn, Fan Pressure Testing in Leyland, Commercial Sound Insulation Design Advice in Leyton, BREEAM Assessment in Leytonstone, Air Integrity Testing in Lichfield, Commercial Sustainability Statement in Liddington, Domestic PPG24 in Lidlington, Part E Sound Insulation Testing in Lifton, Commercial Thermal Imaging Inspection in Lightwater, Commercial PPG24s in Limavady, Domestic Air Leakage Testing in Lincoln, Code for Sustainable Homes Daylight Calculation in Lindridge, Commercial Energy Audits in Lingfield, Commercial Asbestos Surveys in Linlithgow, Environmental Noise Assessment in Linton, Commercial Heat Loss Surveys in Liphook, Domestic Energy Audit in Lisburn, Heat Loss Survey in Liskeard, SBEM Calculations in Lisnaskea, Thermography in Liss, Thermal Imaging Surveys in Litherland, Domestic Carbon Emission Calculation in Little Walsingham, Domestic Building Thermal Imaging Surveys in Littleborough, Non Domestic EPC in Littlecott, Commercial Party Floor Sound Testing in Littlehampton, Commercial P402 Asbestos Survey in Littleport, Asbestos Demolition Survey in Liverpool, Sound Testing Rooms for Residential Purposes in Liversedge, Fire Suppression Room Integrity Testing in Livingston, Sound Testing Environmental Noise in Lizard, Asbestos Management Surveys in Llanberis, Commercial Sound Testing Schools in Llandeilo, Sound Testing Part E in Llandovery, SAP Ratings in Llandrindod Wells, Party Floor Sound Testing in Llandudno, PEA in Llandysul, Part E in Llanelli, Building and Room Acoustics in Llanfyllin, Heat Loss Survey in Llangefni, P402R Asbestos Surveys in Llangollen, BER TER Calc in Llanidloes, Domestic Air Tightness Testing in Llanrhaeadr-ym-Mochnant, Part E Testing in Llanrug, Commercial Air Integrity Testing in Llanrwst, Commercial Part E Testing in Llansteffan, SAP Calculation in Llantrisant, Commercial Thermal Imaging in Llantwit Major, Commercial BS8233 Noise Assessment and Noise Survey in Llanwrtyd Wells, SBEM in Llay, Domestic On Construction EPC in Loanhead, Building Thermal Imaging Survey in Lochgelly, Domestic Carbon Emission Calc in Lochgilphead, Domestic Party Wall Sound Testing in Lockerbie, Energy Statements in Lockleaze, BER TER Calcs in Loftus, Domestic Noise Impact Assessment in Loggerheads, Thermal Comfort Calculations in London, Commercial Sound Testing Hotel in Londonderry, Energy Audit in Long Eaton, BS8233 Noise Assessment and Noise Survey in Long Melford, Sound Testing HMOs in Long Stratton, CSH in Long Sutton, Sound Testing Rooms for Residential Purposes in Longbridge, BS8233 Noise Assessment and Noise Survey in Longfield, none in Longridge, Commercial Noise Impact Assessment in Longstreet, Domestic Reverberation Sound Testing in Looe, SAP Assessment in Lossiemouth, SBEM Rating in Lostwithiel, SAP Assessments in Loughborough, Commercial Part E in Loughton, Part F Fan Testing in Lound, EPC Rating in Louth, Acoustic Insulation Testing in Lower Edmonton, SAP Rating in Lowestoft, Sustainability Statements in Ludlow, Domestic Sustainability Statement in Lurgan, Domestic Sound Testing in Luton, Commercial Sound Testing Environmental Noise in Lutterworth, Asbestos Refurbishment Survey in Lydbury North, Domestic Air Pressure Testing in Lydd, Domestic Part E in Lydney, New Build On Construction EPC in Lye, SBEM Assessment in Lyme Regis, Server Room Testing in Lymington, Domestic Air Integrity Testing in Lymm, Building and Room Acoustics in Lympstone, Domestic Sound Insulation Design Advice in Lyndhurst, Commercial Sound Testing Rooms for Residential Purposes in Lynmouth, New Build On Construction Domestic EPCs in Lynton, Sound Insulation Design Advice in Lytham St Anne's,