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  4. Asa Ventilation Ltd

Asa Ventilation Ltd

ActiveTotal exemption (full) accountsPlumbers and heating engineersCambridge
Company number
15299050
Incorporated
21 Nov 20232 years trading
Registered office
16 Greensand Avenue, Barrington, Cambridge, CB22 7AF
Nature of business
Plumbing, heat and air-conditioning installation
Accounts due in
323 days
31 Aug 2027
Net assets
£20K▲
At 30 Nov 2025
Cash at bank
£1,259▲
At 30 Nov 2025
Employees
1
Average during the year
From the Companies House register, 1 Oct 2026

Asa Ventilation Ltd is a 2-year-old private limited company registered in Cambridge, company number 15299050, one of 105 plumbing and heating companies in Cambridge. Its next accounts are due at Companies House on 31 August 2027, and the CT600 for the period to 30 November 2026 is due at HMRC on 30 November 2027.

Key dates

Worked out from the year end and filing history on the Companies House register.

Accounts due
31 Aug 2027
in 323 days
For the period to 30 Nov 2026
CT600 due
30 Nov 2027
in 414 days
Period 1 Dec 2025 to 30 Nov 2026
Corporation tax payment
1 Sep 2027
in 324 days
9 months and 1 day after the period end
Confirmation statement
4 Apr 2027
in 174 days
Last made up to 21 Mar 2026

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Finances

From each year's balance sheet filed at Companies House. Small companies do not have to publish turnover or profit, so these are balance sheet figures.

  • Net assets up £20K on the year before, to £20K.
  • Current assets of £57K against £49K owed within a year: 1.2 times cover.
  • 1 employee on average during the year.
  • Balance sheets on record for 2 years, 2024 to 2025.

Net assets by year

Net assets at each year end, 2024 to 2025£0£10K£20K30 November 2024: net assets £20£20202430 November 2025: net assets £20K£20K2025
Net assets at each year end, 2024 to 2025£0£10K£20K30 November 2024: net assets £20£20202430 November 2025: net assets £20K£20K2025
Year endNet assetsCashCurrent assetsOwed within a yearEmployees
30 Nov 2025£20K£1,259£57K£49K1
30 Nov 2024£20£533£4,331£8,3191

Who runs and owns Asa Ventilation Ltd

From the Companies House register. Individuals are shown by initials only; the full register is on Companies House.

Officer

NameRoleAppointed
S*** T***DirectorNov 2023
2 former officers
NameRoleAppointedLeft
1st Secretaries LimitedSecretary (company)Nov 2023Mar 2024
R*** B***DirectorNov 2023Mar 2024

Person with significant control

Individual · since Nov 2023
S*** T***
Owns 75% or more of the shares
Holds 75% or more of the votes
Can appoint and remove directors

Where Asa Ventilation Ltd is registered

Asa Ventilation Ltd's registered office on a map of the UK

The registered office is in Cambridge (CB22), in the South Cambridgeshire local authority area, East of England. Show CB22 7AF on a map.

Other trade companies in CB22

What happens if Asa Ventilation Ltd files late

Companies House charges an automatic penalty the day after the deadline, and it rises the longer the accounts are late. These are the dates for this company's accounts due on 31 August 2027.

Companies HouseAccounts deliveredPenalty
Up to 1 month late1 Sep 2027 to 30 Sep 2027£150
1 to 3 months late1 Oct 2027 to 30 Nov 2027£375
3 to 6 months late1 Dec 2027 to 29 Feb 2028£750
More than 6 months lateFrom 1 Mar 2028£1,500

Penalties double if the accounts were also late the year before.

HMRC (CT600)FromPenalty
1 day late1 Dec 2027£200
3 months late29 Feb 2028another £200
6 months late30 May 2028HMRC estimates the tax and adds 10% of the unpaid tax
12 months late30 Nov 2028another 10% of any unpaid tax

For returns filed on or after 1 April 2026. Late three times in a row and the £200 penalties become £1,000 each.

Company details

As held on the Companies House register.

Company number
15299050
Status
Active
Company type
Private limited company
Incorporated
21 November 2023 (2 years ago)
Registered office
16 Greensand Avenue, Barrington, Cambridge, CB22 7AF
Nature of business
Plumbing, heat and air-conditioning installation (SIC 43220)
Year end
30 November (accounting reference date)
Accounts type
Total exemption (full)
Last accounts made up to
30 November 2025
Last confirmation statement
21 March 2026
Previous names
T&B Ventilation Ltd (until 4 Apr 2024)

Filing notes for plumbing and heating companies

Plumbing and heating companies frequently work under CIS for main contractors and also directly for homeowners, so turnover can mix CIS and non-CIS income.

Similar companies in Cambridge

Other active plumbing and heating companies registered in Cambridge.

All plumbing and heating companies in Cambridge · All trades in Cambridge · Plumbers and heating engineers across the UK

Frequently asked questions

When are Asa Ventilation Ltd's accounts due?

Asa Ventilation Ltd's next accounts are due at Companies House by 31 August 2027 (in 323 days), covering the period to 30 November 2026.

When is Asa Ventilation Ltd's CT600 due?

The CT600 for the period to 30 November 2026 is due at HMRC by 30 November 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 September 2027.

Is Asa Ventilation Ltd still trading?

Asa Ventilation Ltd is listed as active on the Companies House register as of 1 Oct 2026. Active means it has not been dissolved or entered insolvency; it does not show whether it is currently taking on work.

What does Asa Ventilation Ltd do?

Asa Ventilation Ltd is registered under Plumbing, heat and air-conditioning installation (SIC 43220).

How old is Asa Ventilation Ltd?

Asa Ventilation Ltd was incorporated on 21 November 2023, 2 years ago.

Who runs Asa Ventilation Ltd?

Asa Ventilation Ltd has 1 active director, the longest-serving appointed in Nov 2023. Their names and service addresses are on the Companies House register.

Who owns Asa Ventilation Ltd?

One person or company has significant control of Asa Ventilation Ltd: an individual (owns 75% or more of the shares).

What is the penalty if Asa Ventilation Ltd files its accounts late?

Companies House charges £150 if the accounts are up to 1 month late, £375 up to 3 months, £750 up to 6 months and £1,500 after that, doubled if the previous year's accounts were also late. HMRC charges £200 for a CT600 filed a day late and another £200 at 3 months.

Official records

View Asa Ventilation Ltd on Companies House for filed documents, officers and the full history.

Report an error on this page

Based on the Companies House register (snapshot 1 Oct 2026). Deadlines are worked out from the register and assume a standard accounting period; a change of year end or a short period moves them. This page is general information, not tax or accountancy advice.

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