- Companies
- Installers
- SDD Construction Ltd
SDD Construction Ltd
- Company number
- 13926251
- Incorporated
- 18 Feb 20224 years trading
- Registered office
- 11 Haycock Gardens, Clifton, SG17 5QN
- Nature of business
- Other construction installation
SDD Construction Ltd is a 4-year-old private limited company registered in Clifton, company number 13926251, one of the UK's installation companies (insulation, lifts, shutters and similar). Its next accounts are due at Companies House on 30 November 2026, and the CT600 for the period to 28 February 2026 is due at HMRC on 28 February 2027.
Key dates
Worked out from the year end and filing history on the Companies House register.
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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 £898 (+880.4%) on the year before, to £1,000.
- 2 employees on average during the year.
- Balance sheets on record for 3 years, 2023 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 28 Feb 2025 | £1,000 | £1,000 | 2 | ||
| 28 Feb 2024 | £102 | £102 | 2 | ||
| 28 Feb 2023 | £100 | 1 |
Where SDD Construction Ltd is registered
The registered office is in Clifton (SG17), in the Central Bedfordshire local authority area, East of England. Show SG17 5QN on a map.
Other trade companies in SG17
- Romulus Fire & Facilities LimitedSpecialist contractors
- Kingston Hart LimitedInstallers
- Spraynet LtdPainters and decorators
- Garden Collective Landscapes LtdFinishing trades
- Craft Tiling & Property Management LtdFloor and wall tilers
- B.Nicholls Plumbing and Heating LtdPlumbers and heating engineers
- Willis Construction 2025 LimitedProperty developers
- A.S.M Fire Solutions LtdInstallers
What happens if SDD Construction Ltd 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 November 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Dec 2026 to 31 Dec 2026 | £150 |
| 1 to 3 months late | 1 Jan 2027 to 28 Feb 2027 | £375 |
| 3 to 6 months late | 1 Mar 2027 to 31 May 2027 | £750 |
| More than 6 months late | From 1 Jun 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Mar 2027 | £200 |
| 3 months late | 28 May 2027 | another £200 |
| 6 months late | 28 Aug 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 28 Feb 2028 | another 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
- 13926251
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 18 February 2022 (4 years ago)
- Registered office
- 11 Haycock Gardens, Clifton, SG17 5QN
- Nature of business
- Other construction installation (SIC 43290)
- Year end
- 28 February (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 28 February 2025
- Last confirmation statement
- 17 February 2026
- Previous names
- S&DS Development Ltd (until 4 Mar 2022)
DS Traiding Limited (until 25 Feb 2022)
Filing notes for installation companies (insulation, lifts, shutters and similar)
Installation companies (insulation, lifts, shutters, solar and similar) often buy stock and equipment up front, so stock at the year end and capital allowances both affect the tax bill.
Similar companies
Other active installation companies (insulation, lifts, shutters and similar).
Frequently asked questions
When are SDD Construction Ltd's accounts due?
SDD Construction Ltd's next accounts are due at Companies House by 30 November 2026 (in 48 days), covering the period to 28 February 2026.
When is SDD Construction Ltd's CT600 due?
The CT600 for the period to 28 February 2026 is due at HMRC by 28 February 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 December 2026.
Is SDD Construction Ltd still trading?
SDD Construction Ltd 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 SDD Construction Ltd do?
SDD Construction Ltd is registered under Other construction installation (SIC 43290).
How old is SDD Construction Ltd?
SDD Construction Ltd was incorporated on 18 February 2022, 4 years ago.
What is the penalty if SDD Construction Ltd 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 SDD Construction Ltd on Companies House for filed documents, officers and the full history.
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.