AIR TIGHTNESS AND BUILDING ENERGY CONSULTANTS LTD.

Active Company number NI603535

AIR TIGHTNESS AND BUILDING ENERGY CONSULTANTS LTD. (company number NI603535) is a private limited company incorporated on 18 June 2010. Its status on the Companies House register is Active. Its registered office is in Enniskillen, BT94 1BY. Its nature of business (SIC 2007) is other specialised construction activities n.e.c. (43999). Its latest accounts we hold, for the period ending 31 May 2025, report net assets of £797k.

Source: Companies House register, as at 1 October 2026. How to cite this page

Information only, not advice. Register details and accounts figures are the company's own filings, shown as filed: CompanyStack does not audit or verify them and accepts no responsibility for decisions made on them. Check important facts at Companies House.

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Company Report on AIR TIGHTNESS AND BUILDING ENERGY CONSULTANTS LTD. (PDF)

Page 1 answers whether we would trade with it, and on what terms, by rules stated on the page. The register, the accounts and the people behind the company in one PDF, for your own business use.

The verdict: would we trade with it, on what terms: a starting credit limit from the latest balance sheet, the risk grade with its reasons, and the checks to make before you sign
Summary and Health Score: with the reasons behind the score
Red flags: and what changed in the last 12 months
Key figures: the accounts to 31 May 2025 against the year before
Filing deadlines: accounts due 28 Feb 2027; confirmation statement due 27 Jun 2027
Financials ledger: 15 years of filed accounts held (2011–2025)
Who runs and owns it: 2 PSCs
Shareholders: the current register from the filings: each holder, class, shares and percentage
Charges: none on the register
Filing history and methodology: with sources and a disclaimer

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Company details

Company number: NI603535
Status: Active
Company type: Private Limited Company
Incorporated: 18 June 2010
Country of origin: United Kingdom
Registered office: UNIT 1 MONEYKEE 68 KESH ROAD
IRVINESTOWN
ENNISKILLEN
BT94 1BY
NORTHERN IRELAND

Nature of business (SIC 2007)

43999 — Other specialised construction activities n.e.c.

Accounts and confirmation statement

Accounting reference date: 31 May
Accounts category: UNAUDITED ABRIDGED
Accounts last made up to: 31 May 2025
Next accounts due: 28 February 2027
Confirmation statement last made up to: 13 June 2026
Next confirmation statement due: 27 June 2027

Financial summary

Period ending	31 May 2025	31 May 2024	31 May 2023	31 May 2022	31 May 2021	31 May 2020	31 May 2019	31 May 2018	31 May 2017	31 May 2016	31 May 2015	31 May 2014	30 June 2013	30 June 2012	30 June 2011
Total assets	£958k	£825k	£785k	£809k	£860k	£468k	£390k	£323k	£232k	£216k	£117k	£125k	£53k	£37k	£46k
Cash at bank	£431k	£206k	£226k	£356k	£474k	—	—	—	—	£112k	£68k	£41k	£5,190	£3,697	£11k
Current liabilities	£161k	£117k	£62k	£116k	£112k	£79k	£108k	£91k	£87k	£178k	£113k	£81k	£52k	£34k	£22k
Net current assets / (liabilities)	£475k	£394k	£421k	£407k	£469k	£103k	£91k	£200k	£117k	£4,027	(£24k)	£16k	(£9,428)	(£10k)	£4,898
Total liabilities	£161k	£143k	£143k	£236k	£283k	£79k	£108k	£94k	£87k	£178k	£113k	£81k	£52k	£34k	£22k
Net assets	£797k	£682k	£642k	£573k	£577k	£389k	£282k	£228k	£145k	£38k	£4,510	£44k	£1,496	£3,113	£24k
Employees	18	13	13	14	7	10	—	—	—	—	—	—	—	—	—

—: no figure read from the filing.

Figures read from filings at Companies House (ixbrl) and checked; see how we read them. Small-company accounts often omit turnover and profit. Spotted an error? Tell us.

Control, officers and charges

Persons with significant control: 2 current (2 including ceased)

Questions about AIR TIGHTNESS AND BUILDING ENERGY CONSULTANTS LTD.

Is AIR TIGHTNESS AND BUILDING ENERGY CONSULTANTS LTD. active?

Yes. The Companies House register shows the company's status as “Active”. (Companies House register, as at 1 October 2026.)

When was AIR TIGHTNESS AND BUILDING ENERGY CONSULTANTS LTD. incorporated?

AIR TIGHTNESS AND BUILDING ENERGY CONSULTANTS LTD. was incorporated on 18 June 2010, according to the Companies House register. (Companies House register, as at 1 October 2026.)

Where is AIR TIGHTNESS AND BUILDING ENERGY CONSULTANTS LTD. registered?

Its registered office is in Enniskillen, BT94 1BY. (Companies House register, as at 1 October 2026.)

Who controls AIR TIGHTNESS AND BUILDING ENERGY CONSULTANTS LTD.?

The register lists 2 current persons with significant control (2 including those who have ceased). The register shows control, not a list of shareholders. Individuals are named at https://find-and-update.company-information.service.gov.uk/company/NI603535/persons-with-significant-control. (Companies House register, as at 1 October 2026.) Who owns a UK limited company: shareholders, PSCs and what the register shows

When are AIR TIGHTNESS AND BUILDING ENERGY CONSULTANTS LTD.'s next accounts due?

The register shows the next accounts as due by 28 February 2027. Its latest accounts on the register were made up to 31 May 2025. (Companies House register, as at 1 October 2026.)

Does AIR TIGHTNESS AND BUILDING ENERGY CONSULTANTS LTD. file dormant accounts?

Not in its latest accounts. The register gives their category as “Unaudited abridged accounts”, made up to 31 May 2025. (Companies House register, as at 1 October 2026.) What a dormant company is and what it must file

Is AIR TIGHTNESS AND BUILDING ENERGY CONSULTANTS LTD. on a sanctions list?

No match for this company's name on the sanctions lists CompanyStack screens (UK, EU, OFAC SDN, OFAC non-SDN, Canada, Australia, New Zealand, Japan, France, US CSL) as at 11 October 2026. A name screen is not legal clearance.

More other specialised construction activities n.e.c. companies

Industry overview: 46,831 active companies in SIC 43999

Other active companies registered at BT94 1BY

Companies registered in Enniskillen

Related guides

Companies with similar names

Other companies, LLPs and partnerships on the Companies House register whose names begin “AIR TIGHTNESS”. Each is a separate legal entity from AIR TIGHTNESS AND BUILDING ENERGY CONSULTANTS LTD.: check the registered number before relying on a name. Register data as at 1 October 2026.

AIR TIGHTNESS ASSESSORS LIMITED (Company, Active, Essex; 05995613)
AIR TIGHTNESS SOLUTIONS LIMITED (Company, Active, Wantage; 08232087)
AIR TIGHTNESS TESTING & MEASUREMENT ASSOCIATION (Company, Active, Loudwater; 07885199)
AIR TIGHTNESS TESTING SCOTLAND LIMITED (Company, Active, Strathaven; SC437644)

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Official register entry: AIR TIGHTNESS AND BUILDING ENERGY CONSULTANTS LTD. on Companies House.

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