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Smi Construction Limited

ActiveMicro-entity accountsBuildersLondon
Company number
04621078
Incorporated
18 Dec 200223 years trading
Registered office
127A the Grove, London, E15 1EN
Nature of business
Construction of domestic buildings; Buying and selling of own real estate
Accounts due in
444 days
31 Dec 2027
Net assets
£25K▲
+6.0% on the year before
Employees
6
Average during the year
From the Companies House register, 1 Oct 2026

Smi Construction Limited is a 23-year-old private limited company registered in London, company number 04621078, one of 12,075 building contractors in London. 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
1 Jan 2027
in 80 days
Last made up to 18 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 up £1,417 (+6%) on the year before, to £25K.
  • Net assets rose in 4 of 9 year-on-year comparisons on record.
  • Current assets of £1.1M against £1M owed within a year: 1.0 times cover.
  • 6 employees on average, up from 4 the year before.
  • Balance sheets on record for 10 years, 2017 to 2026.

Net assets by year

Net assets at each year end, 2017 to 2026£0£200K31 March 2017: net assets £313K£313K201731 March 2018: net assets £21K£21K201831 March 2019: net assets £3,021£3,021201931 March 2020: net assets £56K£56K202031 March 2021: net assets £132K£132K202131 March 2022: net assets £148K£148K202231 March 2023: net assets £105K£105K202331 March 2024: net assets £38K£38K202431 March 2025: net assets £24K£24K202531 March 2026: net assets £25K£25K2026
Net assets at each year end, 2017 to 2026£0£200K31 March 2017: net assets £313K£313K'1731 March 2018: net assets £21K£21K'1831 March 2019: net assets £3,021£3,021'1931 March 2020: net assets £56K£56K'2031 March 2021: net assets £132K£132K'2131 March 2022: net assets £148K£148K'2231 March 2023: net assets £105K£105K'2331 March 2024: net assets £38K£38K'2431 March 2025: net assets £24K£24K'2531 March 2026: net assets £25K£25K'26
Year endNet assetsCashCurrent assetsOwed within a yearEmployees
31 Mar 2026£25K£1.1M£1M6
31 Mar 2025£24K£1M£1M4
31 Mar 2024£38K£1.2M£1.1M5
31 Mar 2023£105K£1.5M£1.3M5
31 Mar 2022£148K£50K£1.2M£920K4
31 Mar 2021£132K£42K£1.1M£684K5
31 Mar 2020£56K£103K£1.1M£1M7
31 Mar 2019£3,021£101K£1.1M£1.1M12
31 Mar 2018£21K£104K£1.5M£1.1M9
31 Mar 2017£313K£467K£1.5M£730K9

Where Smi Construction Limited is registered

Smi Construction Limited's registered office on a map of the UK

The registered office is in London (E15), in the Newham local authority area, London. Show E15 1EN on a map.

Other trade companies in E15

Also registered at this address

1 other company uses the same registered office as Smi Construction Limited.

What happens if Smi Construction 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
04621078
Status
Active
Company type
Private limited company
Incorporated
18 December 2002 (23 years ago)
Registered office
127A the Grove, London, E15 1EN
Nature of business
Construction of domestic buildings (SIC 41202)
Buying and selling of own real estate (SIC 68100)
Year end
31 March (accounting reference date)
Accounts type
Micro-entity
Last accounts made up to
31 March 2026
Last confirmation statement
18 December 2025
Charges (mortgages)
2 outstanding of 3 registered

Filing notes for building contractors

Building companies often run the Construction Industry Scheme as a contractor, a subcontractor or both. CIS deductions suffered during the year are set against the PAYE bill, and any unrecovered balance at the year end matters when the accounts are drawn up.

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Frequently asked questions

When are Smi Construction Limited's accounts due?

Smi Construction 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 Smi Construction 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 Smi Construction Limited still trading?

Smi Construction 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 Smi Construction Limited do?

Smi Construction Limited is registered under Construction of domestic buildings (SIC 41202); Buying and selling of own real estate (SIC 68100).

How old is Smi Construction Limited?

Smi Construction Limited was incorporated on 18 December 2002, 23 years ago.

What is the penalty if Smi Construction 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 Smi Construction 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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