Offices Nationwide
Sound Levels
Decibels (dB) are most commonly used as a measure of sound level, but they are also used in electronics, signals and communications...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!
Thermal Bridging And Airtightness
Enhanced Construction Details
Information and guidance relating to thermal bridging for use with Enhanced Construction Details.
Copyright 2026 E2 Specialist Consultants Limited
Company No. 06728970
In Area D
New Build On Construction Domestic EPCs in Dagenham, Energy Audits in Dalbeattie, House Leakage Testing in Dalkeith, Sound Insulation Design Advice in Dalry, Commercial Environmental Noise Assessment in Dalton in Furness, Industrial Noise Survey in Danbury, Sustainability Statement in Darlington, Commercial Sound Testing Hotel in Dartford, Domestic Sound Testing Hotels in Dartmouth, New Build EPCs in Darwen, Sound Testing Part E in Datchet, Thermography Survey in Daventry, Asbestos Surveys in Dawlish, Commercial EPC Ratings in Deal, Building Thermal Imaging Surveys in Defford, SAP Extension Calculation in Denbigh, SAP Calculation in Denny, Environmental Noise Assessments in Denstone, Commercial P402 Asbestos Surveys in Denton, Domestic Acoustic Insulation Testing in Deptford, Thermal in Derby, Commercial Noise Impact Assessment in Dereham, TER DER Calc in Devizes, Energy Audits in Dewsbury, Asbestos Refurbishment Survey in Didcot, BS8233 Noise Assessment and Noise Survey in Dinas Powys, Domestic Heat Loss Survey in Dingle, Code Assessments in Dingwall, Heat Loss Survey in Dinnington, Commercial Code Air Infiltration Survey in Diss, Air Testing in Dobwalls, Commercial Industrial Noise Surveys in Dolgellau, Part G Water Calculations in Dolla, Thermal Imaging Survey in Donaghadee, Fire Risk Assessment in Doncaster, Workplace Noise in Dorchester, Thermal Imaging in Dorchester, Thermography in Dorking, BREEAM HEA03 Thermal Comfort in Dornoch, Party Wall Sound Testing in Douglas, Industrial Noise Survey in Douglas, Part G Water Calc in Dover, Domestic Party Wall Sound Testing in Downham Market, Commercial Party Wall Sound Insulation Testing in Downpatrick, Domestic Fan Pressure Testing in Downton, SAP Ratings in Drayton, Sound Testing Rooms for Residential Purposes in Driffield, SAP Extension Assessments in Droitwich, BREEAM HEA01 Daylight Calculations in Dromore, Domestic BB93 Acoustic Design of Schools in Dronfield, Commercial Thermal Imaging Inspections in Droylsden, Heat Loss Survey in Drymen, Air Leakage Testing in Dudley, Code for Sustainable Homes Daylight Calculation in Dudley, Water Usage Calculations in Dufftown, PPG24s in Dukinfield, SAP Conversion Assessments in Dulverton, Part F Ventilation Testing in Dulwich, Commercial Air Tightness Testing in Dumbarton, BER TER Calc in Dumfries, Commercial Party Floor Sound Insulation Testing in Dunbar, Commercial Thermal Imaging Survey in Dunblane, On Construction EPC in Dunchurch, Sound Testing Hotels in Dundee, SAP Extension Assessment in Dunfermline, Energy Audit in Dungannon, Domestic Thermal in Dungeness, Commercial BS4142 in Dunhampton, Part E Sound Insulation Testing in Dunkeld, Dynamic Simulation Modelling in Dunmow, Workplace Noise Risk Assessment in Dunoon, Server Room Testing in Duns, Commercial Heat Loss Survey in Dunsfold, Commercial Asbestos Management Survey in Dunstable, Domestic Sustainability Statements in Dunster, Domestic Thermography Survey in Dunwich, Commercial Sound Testing HMOs in Durham, Air Tightness Testing in Dursley, Office EPCs in Duxford, Sustainability Statement in Dyce, Commercial Asbestos Surveys in Dymchurch,