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  4. Alden Ventilation Limited

Alden Ventilation Limited

ActiveMicro-entity accountsPlumbers and heating engineersDunstable
Company number
11134023
Incorporated
4 Jan 20188 years trading
Registered office
8 Harrington Heights, Houghton Regis, Dunstable, LU5 6JU
Nature of business
Plumbing, heat and air-conditioning installation
Accounts due in
383 days
31 Oct 2027
Net assets
£27K▲
At 31 Jan 2026
Employees
2
Average during the year
From the Companies House register, 1 Oct 2026

Alden Ventilation Limited is a 8-year-old private limited company registered in Dunstable, company number 11134023, one of 77 plumbing and heating companies in Dunstable. Its next accounts are due at Companies House on 31 October 2027, and the CT600 for the period to 31 January 2027 is due at HMRC on 31 January 2028.

Key dates

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

Accounts due
31 Oct 2027
in 383 days
For the period to 31 Jan 2027
CT600 due
31 Jan 2028
in 475 days
Period 1 Feb 2026 to 31 Jan 2027
Corporation tax payment
1 Nov 2027
in 384 days
9 months and 1 day after the period end
Confirmation statement
31 Jan 2027
in 110 days
Last made up to 17 Jan 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 £26K on the year before, to £27K.
  • Net assets rose in 4 of 7 year-on-year comparisons on record.
  • Current assets of £63K against £41K owed within a year: 1.5 times cover.
  • 2 employees on average, up from 1 the year before.
  • Balance sheets on record for 8 years, 2019 to 2026.

Net assets by year

Net assets at each year end, 2019 to 2026£0£25K£50K31 January 2019: net assets £14K£14K201931 January 2020: net assets £27K£27K202031 January 2021: net assets £33K£33K202131 January 2022: net assets £60K£60K202231 January 2023: net assets £30K£30K202331 January 2024: net assets £18K£18K202431 January 2025: net assets £915£915202531 January 2026: net assets £27K£27K2026
Net assets at each year end, 2019 to 2026£0£25K£50K31 January 2019: net assets £14K£14K'1931 January 2020: net assets £27K£27K'2031 January 2021: net assets £33K£33K'2131 January 2022: net assets £60K£60K'2231 January 2023: net assets £30K£30K'2331 January 2024: net assets £18K£18K'2431 January 2025: net assets £915£915'2531 January 2026: net assets £27K£27K'26
Year endNet assetsCashCurrent assetsOwed within a yearEmployees
31 Jan 2026£27K£63K£41K2
31 Jan 2025£915£47K£41K1
31 Jan 2024£18K£51K£30K2
31 Jan 2023£30K£39K£19K3
31 Jan 2022£60K£75K£27K3
31 Jan 2021£33K£93K£36K2
31 Jan 2020£27K£27K£8,3151
31 Jan 2019£14K£29K£19K

Who runs and owns Alden Ventilation Limited

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

Officers (2)

NameRoleAppointed
C*** A***DirectorJan 2018
S*** A***DirectorJan 2018
1 former officer
NameRoleAppointedLeft
K*** A***DirectorJun 2019Jul 2025

People with significant control (2)

Individual · since Jan 2018
S*** A***
Owns 25% to 50% of the shares
Holds 25% to 50% of the votes
Individual · since Jan 2018
C*** A***
Owns 50% to 75% of the shares
Holds 50% to 75% of the votes
Can appoint and remove directors

Where Alden Ventilation Limited is registered

Alden Ventilation Limited's registered office on a map of the UK

The registered office is in Dunstable (LU5), in the Central Bedfordshire local authority area, East of England. Show LU5 6JU on a map.

Other trade companies in LU5

What happens if Alden Ventilation Limited 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 October 2027.

Companies HouseAccounts deliveredPenalty
Up to 1 month late1 Nov 2027 to 30 Nov 2027£150
1 to 3 months late1 Dec 2027 to 31 Jan 2028£375
3 to 6 months late1 Feb 2028 to 30 Apr 2028£750
More than 6 months lateFrom 1 May 2028£1,500

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

HMRC (CT600)FromPenalty
1 day late1 Feb 2028£200
3 months late30 Apr 2028another £200
6 months late31 Jul 2028HMRC estimates the tax and adds 10% of the unpaid tax
12 months late31 Jan 2029another 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
11134023
Status
Active
Company type
Private limited company
Incorporated
4 January 2018 (8 years ago)
Registered office
8 Harrington Heights, Houghton Regis, Dunstable, LU5 6JU
Nature of business
Plumbing, heat and air-conditioning installation (SIC 43220)
Year end
31 January (accounting reference date)
Accounts type
Micro-entity
Last accounts made up to
31 January 2026
Last confirmation statement
17 January 2026

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.

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Other active plumbing and heating companies registered in Dunstable.

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Frequently asked questions

When are Alden Ventilation Limited's accounts due?

Alden Ventilation Limited's next accounts are due at Companies House by 31 October 2027 (in 383 days), covering the period to 31 January 2027.

When is Alden Ventilation Limited's CT600 due?

The CT600 for the period to 31 January 2027 is due at HMRC by 31 January 2028, 12 months after the period end. The corporation tax itself is payable earlier, by 1 November 2027.

Is Alden Ventilation Limited still trading?

Alden Ventilation Limited 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 Alden Ventilation Limited do?

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

How old is Alden Ventilation Limited?

Alden Ventilation Limited was incorporated on 4 January 2018, 8 years ago.

Who runs Alden Ventilation Limited?

Alden Ventilation Limited has 2 active directors, the longest-serving appointed in Jan 2018. Their names and service addresses are on the Companies House register.

Who owns Alden Ventilation Limited?

2 people or companies have significant control of Alden Ventilation Limited: an individual (owns 25% to 50% of the shares); an individual (owns 50% to 75% of the shares).

What is the penalty if Alden Ventilation Limited 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 Alden Ventilation Limited 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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