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Block Cleaning Services Limited

ActiveTotal exemption (full) accountsCleaning companiesLondon
Company number
09545590
Incorporated
16 Apr 201511 years trading
Registered office
266 Kingsland Road, London, E8 4DG
Nature of business
General cleaning of buildings
Accounts
Overdue
Were due 30 Sep 2026
Net assets
£118K▲
+25.9% on the year before
Cash at bank
£403K▲
At 30 Apr 2025
Employees
11
Average during the year
Checked with Companies House 12 Oct 2026

Block Cleaning Services Limited is a 11-year-old private limited company registered in London, company number 09545590, one of 5,627 cleaning 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 12 days
For the period to 31 Dec 2025
CT600 due
31 Dec 2026
in 80 days
Period 1 May 2025 to 31 Dec 2025
Corporation tax payment
1 Oct 2026
Date passed
9 months and 1 day after the period end
Confirmation statement
7 May 2027
in 207 days
Last made up to 23 Apr 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 £24K (+25.9%) on the year before, to £118K.
  • Net assets rose in 5 of 9 year-on-year comparisons on record.
  • Current assets of £561K against £447K owed within a year: 1.3 times cover.
  • 11 employees on average during the year.
  • Balance sheets on record for 10 years, 2016 to 2025.

Net assets by year

Net assets at each year end, 2016 to 2025£0£50K£100K30 April 2016: net assets £1£1201631 March 2017: net assets £1£1201731 March 2018: net assets £1£1201831 March 2019: net assets £1£1201931 March 2020: net assets £9,961£9,961202031 March 2021: net assets £17K£17K202131 March 2022: net assets £4,929£4,929202231 March 2023: net assets £58K£58K202330 April 2024: net assets £94K£94K202430 April 2025: net assets £118K£118K2025
Net assets at each year end, 2016 to 2025£0£50K£100K30 April 2016: net assets £1£1'1631 March 2017: net assets £1£1'1731 March 2018: net assets £1£1'1831 March 2019: net assets £1£1'1931 March 2020: net assets £9,961£9,961'2031 March 2021: net assets £17K£17K'2131 March 2022: net assets £4,929£4,929'2231 March 2023: net assets £58K£58K'2330 April 2024: net assets £94K£94K'2430 April 2025: net assets £118K£118K'25
Year endNet assetsCashCurrent assetsOwed within a yearEmployees
30 Apr 2025£118K£403K£561K£447K11
30 Apr 2024£94K£16K£152K£67K11
31 Mar 2023£58K£27K£144K£97K10
31 Mar 2022£4,929£101K£106K11
31 Mar 2021£17K£78K£70K14
31 Mar 2020£9,961£152K£153K12
31 Mar 2019£1£346K£356K
31 Mar 2018£1£131K£136K
31 Mar 2017£1£1
30 Apr 2016£1£1

Where Block Cleaning Services Limited is registered

Block Cleaning Services Limited's registered office on a map of the UK

The registered office is in London (E8), in the Hackney local authority area, London. Show E8 4DG on a map.

Other trade companies in E8

Also registered at this address

1 other company uses the same registered office as Block Cleaning Services Limited.

What happens if Block Cleaning Services Limited 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
09545590
Status
Active
Company type
Private limited company
Incorporated
16 April 2015 (11 years ago)
Registered office
266 Kingsland Road, London, E8 4DG
Nature of business
General cleaning of buildings (SIC 81210)
Year end
31 December (accounting reference date)
Accounts type
Total exemption (full)
Last accounts made up to
30 April 2025
Last confirmation statement
23 April 2026

Filing notes for cleaning companies

Cleaning companies are often staff-heavy, so wages, pension contributions and the employment allowance all show up in the accounts.

Similar companies in London

Other active cleaning companies registered in London.

All cleaning companies in London · All trades in London · Cleaning companies across the UK

Frequently asked questions

When are Block Cleaning Services Limited's accounts due?

Block Cleaning Services Limited's accounts were due at Companies House on 30 September 2026 and the register shows them as overdue.

When is Block Cleaning Services Limited'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 Block Cleaning Services Limited still trading?

Block Cleaning Services Limited is listed as active on the Companies House register (checked 12 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 Block Cleaning Services Limited do?

Block Cleaning Services Limited is registered under General cleaning of buildings (SIC 81210).

How old is Block Cleaning Services Limited?

Block Cleaning Services Limited was incorporated on 16 April 2015, 11 years ago.

What is the penalty if Block Cleaning Services 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 Block Cleaning Services 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, rechecked 12 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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