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  4. Cementart London Ltd

Cementart London Ltd

ActiveTotal exemption (full) accountsFinishing tradesLondon
Company number
11720836
Incorporated
10 Dec 20187 years trading
Registered office
281 Ealing Road, London, HA0 1EU
Nature of business
Other building completion and finishing; Other specialised construction activities n.e.c.
Accounts
Overdue
Were due 30 Sep 2026
Net assets
£12K▼
-3.2% on the year before
Cash at bank
£4,091▼
At 31 Dec 2024
Employees
0
Average during the year
Checked with Companies House 13 Oct 2026

Cementart London Ltd is a 7-year-old private limited company registered in London, company number 11720836, one of 3,947 building finishing companies in London. Companies House shows its accounts as overdue: they were due on 30 September 2026.

Key dates

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

Accounts due
30 Sep 2026
Overdue by 13 days
For the period to 31 Dec 2025
CT600 due
31 Dec 2026
in 79 days
Period 1 Jan 2025 to 31 Dec 2025
Corporation tax payment
1 Oct 2026
Date passed
9 months and 1 day after the period end
Confirmation statement
23 Dec 2026
in 71 days
Last made up to 9 Dec 2025

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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 £415 (-3.2%) on the year before, to £12K.
  • Net assets rose in 3 of 5 year-on-year comparisons on record.
  • Current assets of £20K against £3,850 owed within a year: 5.1 times cover.
  • No employees reported for the latest year (directors are often not counted as employees).
  • Balance sheets on record for 6 years, 2019 to 2024.

Net assets by year

Net assets at each year end, 2019 to 2024£0£10K31 December 2019: net assets -£1,207-£1,207201931 December 2020: net assets £9,263£9,263202031 December 2021: net assets £12K£12K202131 December 2022: net assets £14K£14K202231 December 2023: net assets £13K£13K202331 December 2024: net assets £12K£12K2024
Net assets at each year end, 2019 to 2024£0£10K31 December 2019: net assets -£1,207-£1,207201931 December 2020: net assets £9,263£9,263202031 December 2021: net assets £12K£12K202131 December 2022: net assets £14K£14K202231 December 2023: net assets £13K£13K202331 December 2024: net assets £12K£12K2024
Year endNet assetsCashCurrent assetsOwed within a yearEmployees
31 Dec 2024£12K£4,091£20K£3,8500
31 Dec 2023£13K£9,947£21K£4,0660
31 Dec 2022£14K£7,158£5220
31 Dec 2021£12K£3,316£6250
31 Dec 2020£9,263£21K£00
31 Dec 2019-£1,207£1,243£2,4500

Where Cementart London Ltd is registered

Cementart London Ltd's registered office on a map of the UK

The registered office is in London (HA0), in the Brent local authority area, London. Show HA0 1EU on a map.

Other trade companies in HA0

Also registered at this address

1 other company uses the same registered office as Cementart London Ltd.

What happens if Cementart London Ltd files late

If the accounts reach Companies House today, the late filing penalty is £150 (£300 if last year's accounts were also late). It rises at each step below.

Companies HouseAccounts deliveredPenalty
Up to 1 month late1 Oct 2026 to 31 Oct 2026£150
1 to 3 months late1 Nov 2026 to 31 Dec 2026£375
3 to 6 months late1 Jan 2027 to 31 Mar 2027£750
More than 6 months lateFrom 1 Apr 2027£1,500

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

HMRC (CT600)FromPenalty
1 day late1 Jan 2027£200
3 months late31 Mar 2027another £200
6 months late30 Jun 2027HMRC estimates the tax and adds 10% of the unpaid tax
12 months late31 Dec 2027another 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
11720836
Status
Active
Company type
Private limited company
Incorporated
10 December 2018 (7 years ago)
Registered office
281 Ealing Road, London, HA0 1EU
Nature of business
Other building completion and finishing (SIC 43390)
Other specialised construction activities n.e.c. (SIC 43999)
Year end
31 December (accounting reference date)
Accounts type
Total exemption (full)
Last accounts made up to
31 December 2024
Last confirmation statement
9 December 2025

Filing notes for building finishing companies

Finishing trade companies cover a wide range of work. Most are micro-entities with simple accounts and a straightforward CT600.

Similar companies in London

Other active building finishing companies registered in London.

All building finishing companies in London · All trades in London · Finishing trades across the UK

Frequently asked questions

When are Cementart London Ltd's accounts due?

Cementart London Ltd's accounts were due at Companies House on 30 September 2026 and the register shows them as overdue.

When is Cementart London Ltd's CT600 due?

The CT600 for the period to 31 December 2025 is due at HMRC by 31 December 2026, 12 months after the period end. The corporation tax itself is payable earlier, by 1 October 2026.

Is Cementart London Ltd still trading?

Cementart London Ltd is listed as active on the Companies House register (checked 13 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 Cementart London Ltd do?

Cementart London Ltd is registered under Other building completion and finishing (SIC 43390); Other specialised construction activities n.e.c. (SIC 43999).

How old is Cementart London Ltd?

Cementart London Ltd was incorporated on 10 December 2018, 7 years ago.

What is the penalty if Cementart London 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 Cementart London 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, rechecked 13 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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