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  4. Adan Construction Ltd

Adan Construction Ltd

ActiveMicro-entity accountsSpecialist contractorsAylesbury
Company number
15603899
Incorporated
29 Mar 20242 years trading
Registered office
31 Chantry Road, Aylesbury, HP19 9NG
Nature of business
Other specialised construction activities n.e.c.
Accounts due in
445 days
31 Dec 2027
Net assets
£1,724▼
-78.8% on the year before
Employees
1
Average during the year
From the Companies House register, 1 Oct 2026

Adan Construction Ltd is a 2-year-old private limited company registered in Aylesbury, company number 15603899, one of 85 specialist construction companies in Aylesbury. Its next accounts are due at Companies House on 31 December 2027, and the CT600 for the period to 31 March 2027 is due at HMRC on 31 March 2028.

Key dates

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

Accounts due
31 Dec 2027
in 445 days
For the period to 31 Mar 2027
CT600 due
31 Mar 2028
in 536 days
Period 1 Apr 2026 to 31 Mar 2027
Corporation tax payment
1 Jan 2028
in 446 days
9 months and 1 day after the period end
Confirmation statement
11 Apr 2027
in 181 days
Last made up to 28 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 down £6,411 (-78.8%) on the year before, to £1,724.
  • Current assets of £20K against £18K owed within a year: 1.1 times cover.
  • 1 employee on average, up from 0 the year before.
  • Balance sheets on record for 2 years, 2025 to 2026.

Net assets by year

Net assets at each year end, 2025 to 2026£0£5,00031 March 2025: net assets £8,135£8,135202531 March 2026: net assets £1,724£1,7242026
Net assets at each year end, 2025 to 2026£0£5,00031 March 2025: net assets £8,135£8,135202531 March 2026: net assets £1,724£1,7242026
Year endNet assetsCashCurrent assetsOwed within a yearEmployees
31 Mar 2026£1,724£20K£18K1
31 Mar 2025£8,135£23K£15K0

Where Adan Construction Ltd is registered

Adan Construction Ltd's registered office on a map of the UK

The registered office is in Aylesbury (HP19), in the Buckinghamshire local authority area, South East. Show HP19 9NG on a map.

Other trade companies in HP19

What happens if Adan Construction 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 December 2027.

Companies HouseAccounts deliveredPenalty
Up to 1 month late1 Jan 2028 to 31 Jan 2028£150
1 to 3 months late1 Feb 2028 to 31 Mar 2028£375
3 to 6 months late1 Apr 2028 to 30 Jun 2028£750
More than 6 months lateFrom 1 Jul 2028£1,500

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

HMRC (CT600)FromPenalty
1 day late1 Apr 2028£200
3 months late30 Jun 2028another £200
6 months late30 Sep 2028HMRC estimates the tax and adds 10% of the unpaid tax
12 months late31 Mar 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
15603899
Status
Active
Company type
Private limited company
Incorporated
29 March 2024 (2 years ago)
Registered office
31 Chantry Road, Aylesbury, HP19 9NG
Nature of business
Other specialised construction activities n.e.c. (SIC 43999)
Year end
31 March (accounting reference date)
Accounts type
Micro-entity
Last accounts made up to
31 March 2026
Last confirmation statement
28 March 2026

Filing notes for specialist construction companies

Specialist contractors often work under CIS for main contractors. Retentions held back by the customer still count towards turnover once the work is done.

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Frequently asked questions

When are Adan Construction Ltd's accounts due?

Adan Construction Ltd's next accounts are due at Companies House by 31 December 2027 (in 445 days), covering the period to 31 March 2027.

When is Adan Construction Ltd's CT600 due?

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

Is Adan Construction Ltd still trading?

Adan Construction 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 Adan Construction Ltd do?

Adan Construction Ltd is registered under Other specialised construction activities n.e.c. (SIC 43999).

How old is Adan Construction Ltd?

Adan Construction Ltd was incorporated on 29 March 2024, 2 years ago.

What is the penalty if Adan Construction 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 Adan Construction 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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