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SDK Construction Limited

ActiveMicro-entity accountsBuildersSomerset
Company number
04598931
Incorporated
22 Nov 200223 years trading
Registered office
27 Townsend Close, Bruton, Somerset, BA10 0HD
Nature of business
Construction of domestic buildings
Accounts due in
353 days
30 Sep 2027
Net assets
£6,641▼
-31.9% on the year before
Employees
2
Average during the year
From the Companies House register, 1 Oct 2026

SDK Construction Limited is a 23-year-old private limited company registered in Somerset, company number 04598931, one of the UK's building contractors. Its next accounts are due at Companies House on 30 September 2027, and the CT600 for the period to 31 December 2026 is due at HMRC on 31 December 2027.

Key dates

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

Accounts due
30 Sep 2027
in 353 days
For the period to 31 Dec 2026
CT600 due
31 Dec 2027
in 445 days
Period 1 Jan 2026 to 31 Dec 2026
Corporation tax payment
1 Oct 2027
in 354 days
9 months and 1 day after the period end
Confirmation statement
25 Dec 2026
in 74 days
Last made up to 11 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 £3,117 (-31.9%) on the year before, to £6,641.
  • Net assets rose in 4 of 9 year-on-year comparisons on record.
  • Current assets of £7,724 against £6,824 owed within a year: 1.1 times cover.
  • 2 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£5,000£10K31 December 2016: net assets £3,897£3,897201631 December 2017: net assets £4,581£4,581201731 December 2018: net assets £4,111£4,111201831 December 2019: net assets £8,642£8,642201931 December 2020: net assets £13K£13K202031 December 2021: net assets £10K£10K202131 December 2022: net assets £5,967£5,967202231 December 2023: net assets £4,887£4,887202331 December 2024: net assets £9,758£9,758202431 December 2025: net assets £6,641£6,6412025
Net assets at each year end, 2016 to 2025£0£5,000£10K31 December 2016: net assets £3,897£3,897'1631 December 2017: net assets £4,581£4,581'1731 December 2018: net assets £4,111£4,111'1831 December 2019: net assets £8,642£8,642'1931 December 2020: net assets £13K£13K'2031 December 2021: net assets £10K£10K'2131 December 2022: net assets £5,967£5,967'2231 December 2023: net assets £4,887£4,887'2331 December 2024: net assets £9,758£9,758'2431 December 2025: net assets £6,641£6,641'25
Year endNet assetsCashCurrent assetsOwed within a yearEmployees
31 Dec 2025£6,641£7,724£6,8242
31 Dec 2024£9,758£7,402£5,7312
31 Dec 2023£4,887£5,868£12K2
31 Dec 2022£5,967£1,644£11K2
31 Dec 2021£10K£3,212£13K2
31 Dec 2020£13K£7,230£20K2
31 Dec 2019£8,642£6,211£8,5282
31 Dec 2018£4,111£2,220£8,586
31 Dec 2017£4,581£6,486£14K
31 Dec 2016£3,897£8,761£19K

Where SDK Construction Limited is registered

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

The registered office is in Somerset (BA10), in the Somerset local authority area, South West. Show BA10 0HD on a map.

Other trade companies in BA10

What happens if SDK 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 30 September 2027.

Companies HouseAccounts deliveredPenalty
Up to 1 month late1 Oct 2027 to 31 Oct 2027£150
1 to 3 months late1 Nov 2027 to 31 Dec 2027£375
3 to 6 months late1 Jan 2028 to 31 Mar 2028£750
More than 6 months lateFrom 1 Apr 2028£1,500

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

HMRC (CT600)FromPenalty
1 day late1 Jan 2028£200
3 months late31 Mar 2028another £200
6 months late30 Jun 2028HMRC estimates the tax and adds 10% of the unpaid tax
12 months late31 Dec 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
04598931
Status
Active
Company type
Private limited company
Incorporated
22 November 2002 (23 years ago)
Registered office
27 Townsend Close, Bruton, Somerset, BA10 0HD
Nature of business
Construction of domestic buildings (SIC 41202)
Year end
31 December (accounting reference date)
Accounts type
Micro-entity
Last accounts made up to
31 December 2025
Last confirmation statement
11 December 2025

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.

Builders across the UK

Frequently asked questions

When are SDK Construction Limited's accounts due?

SDK Construction Limited's next accounts are due at Companies House by 30 September 2027 (in 353 days), covering the period to 31 December 2026.

When is SDK Construction Limited's CT600 due?

The CT600 for the period to 31 December 2026 is due at HMRC by 31 December 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 October 2027.

Is SDK Construction Limited still trading?

SDK 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 SDK Construction Limited do?

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

How old is SDK Construction Limited?

SDK Construction Limited was incorporated on 22 November 2002, 23 years ago.

What is the penalty if SDK 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 SDK 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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