Adnitt Acoustics
Based in Surbiton, London · Covers UK-wide; offices in Surbiton and Glasgow Accreditation stated by provider: ANCOwn websiteUK-wide
02 · Building Regulations · Part L
Air tightness testing in Scotland
69 providers offering air tightness testing in or across Scotland, including national firms. The rules in Scotland differ from England’s, so see the notes below.
The rules in Scotland
Every new home has been tested since February 2023, with no sampling. There is no fixed pass mark like England’s 8.0: guidance recommends designing to 7 m³/(h·m²) or better, and a higher figure must be justified to building standards. Blower door and pulse tests are both accepted.
69 air tightness testers for Scotland
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Based in or covering Scotland (22)
Air Change Ltd
Based in Inverness-shire · Covers Inverness-shire Accreditation stated by provider: ATTMAAlba Air Tightness Testing
Based in Milngavie, near Glasgow · Covers Scotland Accreditation stated by provider: ElmhurstOwn website
Alexander Gunn t/a Gunn Energy
Based in Caithness · Covers Caithness Accreditation stated by provider: ATTMAArdell (Tongue) Limited
Based in Sutherland · Covers Sutherland Accreditation stated by provider: ATTMACorrectair Solutions (Scotland) Ltd
Based in Lanarkshire · Covers Lanarkshire Accreditation stated by provider: ATTMACorybeg Services
Based in Aberdeenshire · Covers Aberdeenshire Accreditation stated by provider: ATTMADATScotland
Based in Tealing, Dundee · Covers Scotland-wide Accreditation not yet checkedOwn website
GDH Development Ltd
Based in Aberdeenshire · Covers Aberdeenshire Accreditation stated by provider: ATTMAIES Callenberg (Off-Shore)
Based in Aberdeen · Covers Aberdeen Accreditation stated by provider: ATTMAInspired Design & Development
Based in Aberdeenshire · Covers Aberdeenshire Accreditation stated by provider: ATTMAM A Murray Consulting Ltd
Based in Isle of Lewis and Harris · Covers Isle of Lewis and Harris Accreditation stated by provider: ATTMAPhoenix Commissioning Services Ltd
Based in Lanarkshire · Covers Lanarkshire Accreditation stated by provider: ATTMAPlanit X Limited
Based in Inverness-shire · Covers Inverness-shire Accreditation stated by provider: ATTMAScot EPC
Based in Dundee, Scotland · Covers Dundee, Angus, Fife and Perth & Kinross Accreditation not yet checkedOwn website
Stuart King Architecture & Design
Based in Fife · Covers Fife Accreditation stated by provider: ATTMAWestern Isles Energy & Property Services
Based in Isle of Lewis and Harris · Covers Isle of Lewis and Harris Accreditation stated by provider: ATTMANational providers (check they cover your area) (47)
Acoustic Consultants Ltd
Based in Bristol · Covers Across the UK Accreditation stated by provider: UKAS, ANC, IOAOwn websiteUK-wide
AES Sustainability Consultants
Based in Tiverton, Devon · Covers England, Scotland and Wales Accreditation stated by provider: ATTMA, SITMA, Elmhurst, ECMK, TrustMark, BREEAM, PassivhausOwn websiteUK-wide
Air Testing UK Ltd
Based in Manchester · Covers Nationwide Accreditation stated by provider: iATS, BINDT, BPEC, AECBOwn websiteUK-wide
Airtight Testing Staffordshire
Based in Stoke-on-Trent · Covers Staffordshire and UK-wide Accreditation stated by provider: ATTMAOwn websiteUK-wide
APT Sound Testing (Air Pressure Testing Ltd)
Based in Upper Sundon, Bedfordshire · Covers Coventry, Warwickshire and UK-wide Accreditation stated by provider: UKAS accredited testing laboratory (No. 4340)Own websiteUK-wide
Assessment Hive
Based in Goffs Oak, Hertfordshire · Covers London and throughout the UK Accreditation not yet checkedOwn websiteUK-wide
ATSPACE
Based in Royston, Hertfordshire · Covers England and Wales Accreditation stated by provider: Elmhurst, NHER, SITMA, TrustMark, Passivhaus Trust (Patron), BPEC, BSRIA, Passivhaus Trust PatronOwn websiteUK-wide
Briary Energy
Based in Hatfield, Hertfordshire · Covers UK-wide Accreditation not yet checkedOwn websiteUK-wide
Build Energy
Based in UK (several offices) · Covers UK-wide Accreditation not yet checkedOwn websiteUK-wide
Building Energy Experts
Based in Bristol · Covers Nationwide Accreditation stated by provider: Elmhurst, ATTMA, TrustMark, Retrofit Academy (Corporate Member), Retrofit Academy Corporate Member, AECBOwn websiteUK-wide
Compliance 4 Buildings
Based in Hornchurch, Essex · Covers Nationwide (UK) Accreditation stated by provider: ATTMAOwn websiteUK-wide
Coventry Property Certification
Based in Coventry, West Midlands · Covers England and Wales Accreditation not yet checkedOwn websiteUK-wide
DAA Group
Based in London · Covers Nationwide across the UK Accreditation stated by provider: ATTMA, BPECOwn websiteUK-wide
E2 Specialist Consultants
Based in Birmingham office (head office Wakefield) · Covers Birmingham and 25+ West Midlands towns Accreditation stated by provider: SITMA, iATSOwn websiteUK-wide
Easy EPC Ltd
Based in Brighton, East Sussex · Covers Nationwide, with local landing pages for many UK towns including Leicester, Nuneaton and Coventry Accreditation not yet checkedOwn websiteUK-wide
Energist
Based in Cirencester, Gloucestershire · Covers Nationwide Accreditation stated by provider: Elmhurst, ATTMA, ANCOwn websiteUK-wide
Energy & Design
Based in Cannock, Staffordshire · Covers England, Scotland and Wales Accreditation stated by provider: Scotland Section 6 Approved Certifier of Design, BREEAM UK New Construction (Residential)Own websiteUK-wide
Energy Counsel
Based in Manchester, Greater Manchester · Covers Manchester, the North West and nationwide Accreditation stated by provider: CIBSE, BPEC, iATS, SITMA, BREEAM, AECB, ConstructionlineOwn websiteUK-wide
Energycount
Based in Poole, Dorset · Covers Nationwide (UK) Accreditation not yet checkedOwn websiteUK-wide
Energyprotech Ltd
Based in Coniston, Cumbria · Covers Cumbria, the Lake District and the North West; also nationwide Accreditation stated by provider: StromaOwn websiteUK-wide
Energytest
Based in Tunbridge Wells, Kent · Covers London and the South East; nationwide Accreditation stated by provider: ATTMAOwn websiteUK-wide
EnergyWise Services
Based in Belfast, Northern Ireland · Covers UK-wide (remote delivery available) Accreditation not yet checkedOwn websiteUK-wide
enevo
Based in Birstall, West Yorkshire · Covers UK-wide (national network of local assessors) Accreditation stated by provider: ATTMA, iATS, SITMA, Elmhurst, Stroma Certification, BREEAM, ABBEOwn websiteUK-wide
Environmental Economics
Based in Luton, Bedfordshire · Covers UK nationwide, including London Plan work Accreditation stated by provider: Elmhurst (overheating scheme)Own websiteUK-wide
EPC Assess Ltd
Based in Midlands · Covers Birmingham, Wolverhampton, Coventry and UK-wide Accreditation not yet checkedOwn websiteUK-wide
EPC Experts
Based in Coventry, West Midlands · Covers Coventry, Nuneaton, Rugby, Warwick and nationwide Accreditation not yet checkedOwn websiteUK-wide
ERS Consultants
Based in Oxford · Covers UK residential and commercial developments Accreditation not yet checkedOwn websiteUK-wide
Focus 360 Energy
Based in UK (several offices) · Covers Nationwide Accreditation stated by provider: Elmhurst, ECMK, StromaOwn websiteUK-wide
Gradwell Group
Based in Doncaster, South Yorkshire · Covers England-wide Accreditation not yet checkedOwn websiteUK-wide
HA Acoustics
Based in Harlow, Essex · Covers East Anglia, London, South West and nationwide Accreditation stated by provider: UKAS, iATSOwn websiteUK-wide
KP Acoustics
Based in UK (several offices) · Covers Throughout the UK Accreditation stated by provider: UKASOwn websiteUK-wide
Manchester EPC Ltd
Based in Cheadle, Greater Manchester · Covers EPC visits within about 50 miles of Manchester; SAP and new-build work nationwide Accreditation not yet checkedOwn websiteUK-wide
Melin Energy Consultants
Based in Swansea · Covers UK-wide (offices in Swansea, Bristol and London) Accreditation stated by provider: Elmhurst (Approved Psi Value Competency Scheme), BREEAM AP, CIBSE, UK Thermography AssociationOwn websiteUK-wide
MES Building Solutions
Based in Newark, Nottinghamshire · Covers Throughout the UK (offices in Newark, London and Birmingham) Accreditation stated by provider: ATTMA, Elmhurst, AECB, TrustMarkOwn websiteUK-wide
MSAFE
Based in Bournemouth, Dorset · Covers Nationwide Accreditation stated by provider: UKAS (sound insulation testing)Own websiteUK-wide
Peninsular Acoustics
Based in UK (several offices) · Covers Nationwide Accreditation stated by provider: ANCOwn websiteUK-wide
Purple Energy Solutions
Based in UK (several offices) · Covers Nationwide Accreditation stated by provider: ATTMA, UKASOwn websiteUK-wide
QuinnRoss Energy
Based in Sittingbourne, Kent · Covers UK-wide, with a focus on Greater London and the South East Accreditation stated by provider: Elmhurst, UKAS, BRE Global, CIBSE Low Carbon Consultant, Low Carbon Energy AssessorOwn websiteUK-wide
Ratio Seven
Based in Nantwich, Cheshire · Covers Nationwide including Birmingham and the West Midlands Accreditation not yet checkedOwn websiteUK-wide
SEES
Based in Durley, Southampton, Hampshire · Covers UK-wide Accreditation stated by provider: Elmhurst, ATTMA, BREEAM licensed assessor company, Stroma certifiedOwn websiteUK-wide
Sound Solution Consultants
Based in Ipswich, Suffolk · Covers Nationwide Accreditation stated by provider: UKAS, IOAOwn websiteUK-wide
Southern Assessors
Based in Salisbury, Wiltshire · Covers UK-wide, with offices in London, Bristol and Birmingham Accreditation stated by provider: NHEROwn websiteUK-wide
Spratt + Hamer
Based in Liverpool · Covers England, Wales and Northern Ireland Accreditation stated by provider: UKAS (No. 4088), ATTMAOwn websiteUK-wide
Stroma Built Environment
Based in Wakefield, West Yorkshire · Covers UK-wide Accreditation stated by provider: UKAS (No. 2731), ATTMAOwn websiteUK-wide
UK Building Compliance
Based in Hinckley, Leicestershire · Covers UK-wide (England, Wales, Scotland and Northern Ireland) Accreditation stated by provider: ATTMA, Elmhurst, SITMA, BPEC, UKASOwn websiteUK-wide
Vision Energy & Sustainability
Based in Bollington, Cheshire · Covers UK-wide Accreditation not yet checkedOwn websiteUK-wide
Air tightness testing in other regions
London (26) South East (43) East of England (38) South West (35) West Midlands (23) East Midlands (16) Yorkshire and the Humber (15) North West (12) North East (3) Wales (4) Northern Ireland (17)
Getting signed off in Scotland
In Scotland, you need a building warrant from the council before work starts, and design evidence such as SAP and overheating assessments goes in with the application. At the end you submit a completion certificate with your test reports. The council then has 14 days to accept it, and you can’t move into a new building until it does, unless the council allows temporary occupation.