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  4. Concrete Stairs Limited

Concrete Stairs Limited

ActiveTotal exemption (full) accountsFinishing tradesHarrow
Company number
08330622
Incorporated
13 Dec 201213 years trading
Registered office
14 Lyon Road, Congress House, 2ND Floor, Harrow, Middlesex, HA1 2EN
Nature of business
Other building completion and finishing
Accounts due in
444 days
31 Dec 2027
Net assets
£112K▼
-11.9% on the year before
Cash at bank
£79K▼
At 31 Mar 2026
Employees
3
Average during the year
From the Companies House register, 1 Oct 2026

Concrete Stairs Limited is a 13-year-old private limited company registered in Harrow, company number 08330622, one of 251 building finishing companies in Harrow. 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 444 days
For the period to 31 Mar 2027
CT600 due
31 Mar 2028
in 535 days
Period 1 Apr 2026 to 31 Mar 2027
Corporation tax payment
1 Jan 2028
in 445 days
9 months and 1 day after the period end
Confirmation statement
28 Dec 2026
in 76 days
Last made up to 14 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 £15K (-11.9%) on the year before, to £112K.
  • Net assets rose in 6 of 9 year-on-year comparisons on record.
  • Current assets of £87K against £2,948 owed within a year: more than 10 times cover.
  • 3 employees on average during the year.
  • Balance sheets on record for 10 years, 2017 to 2026.

Net assets by year

Net assets at each year end, 2017 to 2026£0£50K£100K31 March 2017: net assets £38K£38K201731 March 2018: net assets £31K£31K201831 March 2019: net assets £24K£24K201931 March 2020: net assets £40K£40K202031 March 2021: net assets £49K£49K202131 March 2022: net assets £53K£53K202231 March 2023: net assets £73K£73K202331 March 2024: net assets £81K£81K202431 March 2025: net assets £127K£127K202531 March 2026: net assets £112K£112K2026
Net assets at each year end, 2017 to 2026£0£50K£100K31 March 2017: net assets £38K£38K'1731 March 2018: net assets £31K£31K'1831 March 2019: net assets £24K£24K'1931 March 2020: net assets £40K£40K'2031 March 2021: net assets £49K£49K'2131 March 2022: net assets £53K£53K'2231 March 2023: net assets £73K£73K'2331 March 2024: net assets £81K£81K'2431 March 2025: net assets £127K£127K'2531 March 2026: net assets £112K£112K'26
Year endNet assetsCashCurrent assetsOwed within a yearEmployees
31 Mar 2026£112K£79K£87K£2,9483
31 Mar 2025£127K£93K£120K£12K3
31 Mar 2024£81K£81K£86K£11K3
31 Mar 2023£73K£56K£75K£10K3
31 Mar 2022£53K£38K£56K£13K4
31 Mar 2021£49K£22K£44K£8,0884
31 Mar 2020£40K£24K£61K£28K3
31 Mar 2019£24K£21K£37K£20K2
31 Mar 2018£31K£17K£33K£13K2
31 Mar 2017£38K£14K£30K£4,3772

Where Concrete Stairs Limited is registered

Concrete Stairs Limited's registered office on a map of the UK

The registered office is in Harrow (HA1), in the Harrow local authority area, London. Show HA1 2EN on a map.

Other trade companies in HA1

Also registered at this address

9 other companies use the same registered office as Concrete Stairs Limited.

What happens if Concrete Stairs 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 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
08330622
Status
Active
Company type
Private limited company
Incorporated
13 December 2012 (13 years ago)
Registered office
14 Lyon Road, Congress House, 2ND Floor, Harrow, Middlesex, HA1 2EN
Nature of business
Other building completion and finishing (SIC 43390)
Year end
31 March (accounting reference date)
Accounts type
Total exemption (full)
Last accounts made up to
31 March 2026
Last confirmation statement
14 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 Harrow

Other active building finishing companies registered in Harrow.

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

Frequently asked questions

When are Concrete Stairs Limited's accounts due?

Concrete Stairs Limited's next accounts are due at Companies House by 31 December 2027 (in 444 days), covering the period to 31 March 2027.

When is Concrete Stairs Limited'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 Concrete Stairs Limited still trading?

Concrete Stairs 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 Concrete Stairs Limited do?

Concrete Stairs Limited is registered under Other building completion and finishing (SIC 43390).

How old is Concrete Stairs Limited?

Concrete Stairs Limited was incorporated on 13 December 2012, 13 years ago.

What is the penalty if Concrete Stairs 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 Concrete Stairs 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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