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  4. Constantinov Ltd

Constantinov Ltd

ActiveMicro-entity accountsInstallersDagenham
Company number
13960088
Incorporated
7 Mar 20224 years trading
Registered office
58 School Road, Dagenham, RM10 9QJ
Nature of business
Other construction installation
Accounts due in
79 days
31 Dec 2026
From the Companies House register, 1 Oct 2026

Constantinov Ltd is a 4-year-old private limited company registered in Dagenham, company number 13960088, one of 96 installation companies (insulation, lifts, shutters and similar) in Dagenham. Its next accounts are due at Companies House on 31 December 2026, and the CT600 for the period to 31 March 2026 is due at HMRC on 31 March 2027.

Key dates

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

Accounts due
31 Dec 2026
in 79 days
For the period to 31 Mar 2026
CT600 due
31 Mar 2027
in 169 days
Period 1 Apr 2025 to 31 Mar 2026
Corporation tax payment
1 Jan 2027
in 80 days
9 months and 1 day after the period end
Confirmation statement
20 Mar 2027
in 158 days
Last made up to 6 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 unchanged on the year before, at £13K.
  • Current assets of £70K against £57K owed within a year: 1.2 times cover.
  • 2 employees on average during the year.
  • Balance sheets on record for 3 years, 2023 to 2025.

Net assets by year

Net assets at each year end, 2023 to 2025£0£5,000£10K31 March 2023: net assets £14K£14K202331 March 2024: net assets £13K£13K202431 March 2025: net assets £13K£13K2025
Net assets at each year end, 2023 to 2025£0£5,000£10K31 March 2023: net assets £14K£14K202331 March 2024: net assets £13K£13K202431 March 2025: net assets £13K£13K2025
Year endNet assetsCashCurrent assetsOwed within a yearEmployees
31 Mar 2025£13K£70K£57K2
31 Mar 2024£13K£50K£38K2
31 Mar 2023£14K£27K£13K2

Where Constantinov Ltd is registered

Constantinov Ltd's registered office on a map of the UK

The registered office is in Dagenham (RM10), in the Barking and Dagenham local authority area, London. Show RM10 9QJ on a map.

Other trade companies in RM10

What happens if Constantinov 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 2026.

Companies HouseAccounts deliveredPenalty
Up to 1 month late1 Jan 2027 to 31 Jan 2027£150
1 to 3 months late1 Feb 2027 to 31 Mar 2027£375
3 to 6 months late1 Apr 2027 to 30 Jun 2027£750
More than 6 months lateFrom 1 Jul 2027£1,500

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

HMRC (CT600)FromPenalty
1 day late1 Apr 2027£200
3 months late30 Jun 2027another £200
6 months late30 Sep 2027HMRC estimates the tax and adds 10% of the unpaid tax
12 months late31 Mar 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
13960088
Status
Active
Company type
Private limited company
Incorporated
7 March 2022 (4 years ago)
Registered office
58 School Road, Dagenham, RM10 9QJ
Nature of business
Other construction installation (SIC 43290)
Year end
31 March (accounting reference date)
Accounts type
Micro-entity
Last accounts made up to
31 March 2025
Last confirmation statement
6 March 2026

Filing notes for installation companies (insulation, lifts, shutters and similar)

Installation companies (insulation, lifts, shutters, solar and similar) often buy stock and equipment up front, so stock at the year end and capital allowances both affect the tax bill.

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Frequently asked questions

When are Constantinov Ltd's accounts due?

Constantinov Ltd's next accounts are due at Companies House by 31 December 2026 (in 79 days), covering the period to 31 March 2026.

When is Constantinov Ltd's CT600 due?

The CT600 for the period to 31 March 2026 is due at HMRC by 31 March 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 January 2027.

Is Constantinov Ltd still trading?

Constantinov 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 Constantinov Ltd do?

Constantinov Ltd is registered under Other construction installation (SIC 43290).

How old is Constantinov Ltd?

Constantinov Ltd was incorporated on 7 March 2022, 4 years ago.

What is the penalty if Constantinov 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 Constantinov 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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