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  4. SDH Construction Limited

SDH Construction Limited

ActiveNo accounts filed yet accountsBuildersSouth Croydon
Company number
16334548
Incorporated
21 Mar 20251 year trading
Registered office
58 Addington Road, South Croydon, CR2 8RB
Nature of business
Construction of domestic buildings
Accounts due in
70 days
21 Dec 2026
From the Companies House register, 1 Oct 2026

SDH Construction Limited is a 1-year-old private limited company registered in South Croydon, company number 16334548, one of 100 building contractors in South Croydon. Its next accounts are due at Companies House on 21 December 2026, and its first CT600 is due at HMRC on 20 March 2027.

Key dates

This company has not filed accounts yet. First accounts are due 21 months after incorporation, and the first period can run longer than a year.

Accounts due
21 Dec 2026
in 70 days
For the period to 31 Mar 2026
CT600 due (first of two)
20 Mar 2027
in 159 days
Period 21 Mar 2025 to 20 Mar 2026
CT600 due (second of two)
31 Mar 2027
in 170 days
Period 21 Mar 2026 to 31 Mar 2026
Corporation tax payment
1 Jan 2027
in 81 days
9 months and 1 day after the period end
Confirmation statement
1 May 2027
in 201 days
Last made up to 17 Apr 2026

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Where SDH Construction Limited is registered

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

The registered office is in South Croydon (CR2), in the Croydon local authority area, London. Show CR2 8RB on a map.

Other trade companies in CR2

What happens if SDH 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 21 December 2026.

Companies HouseAccounts deliveredPenalty
Up to 1 month late22 Dec 2026 to 21 Jan 2027£150
1 to 3 months late22 Jan 2027 to 21 Mar 2027£375
3 to 6 months late22 Mar 2027 to 21 Jun 2027£750
More than 6 months lateFrom 22 Jun 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
16334548
Status
Active
Company type
Private limited company
Incorporated
21 March 2025 (1 year ago)
Registered office
58 Addington Road, South Croydon, CR2 8RB
Nature of business
Construction of domestic buildings (SIC 41202)
Year end
31 March (accounting reference date)
Accounts type
No accounts filed yet
Last confirmation statement
17 April 2026

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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Other active building contractors registered in South Croydon.

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Frequently asked questions

When are SDH Construction Limited's accounts due?

SDH Construction Limited's next accounts are due at Companies House by 21 December 2026 (in 70 days), covering the period to 31 March 2026.

When is SDH Construction Limited's CT600 due?

The first accounts cover more than 12 months, so there are two Company Tax Returns: one for the 12 months to 20 March 2026, due by 20 March 2027, and one for the period to 31 March 2026, due by 31 March 2027. Corporation tax is payable 9 months and 1 day after the end of each.

Is SDH Construction Limited still trading?

SDH 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 SDH Construction Limited do?

SDH Construction Limited is registered under Construction of domestic buildings (SIC 41202).

How old is SDH Construction Limited?

SDH Construction Limited was incorporated on 21 March 2025, 1 year ago.

What is the penalty if SDH 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 SDH 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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