- Companies
- Finishing trades
- London
- SD Constructclean Ltd
SD Constructclean Ltd
- Company number
- 16946591
- Incorporated
- 6 Jan 2026
- Registered office
- 113 Glenwood Road, 113 Glenwood Road, London, N15 3JS
- Nature of business
- Other building completion and finishing; Other building and industrial cleaning activities; Other cleaning services
SD Constructclean Ltd is a newly incorporated private limited company registered in London, company number 16946591, one of 3,947 building finishing companies in London. Its next accounts are due at Companies House on 6 October 2027, and its first CT600 is due at HMRC on 5 January 2028.
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.
Is this your company?
File the first accounts to Companies House and the CT600 to HMRC yourself with A.X.E.L Filing. One set of questions, both filings, £49 flat. No accountant, no subscription.
File for SD Constructclean LtdOr get a reminder before each deadline
Free. We email you 60, 30, 14, 7 and 1 days before the accounts, CT600 and confirmation statement are due. Unsubscribe in one click.
Where SD Constructclean Ltd is registered
The registered office is in London (N15), in the Haringey local authority area, London. Show N15 3JS on a map.
Other trade companies in N15
- Cleanport Services LtdCleaning companies
- Rozelle Cleaning LtdCleaning companies
- Hunt4Heating LtdPlumbers and heating engineers
- Clean Stitch LtdRepair services
- Watt Rite LtdElectricians
- Did-Fit LimitedPlasterers
- Arvin Cleaning Ltd LtdCleaning companies
- North London Building Control LimitedSpecialist contractors
What happens if SD Constructclean 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 6 October 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 7 Oct 2027 to 6 Nov 2027 | £150 |
| 1 to 3 months late | 7 Nov 2027 to 6 Jan 2028 | £375 |
| 3 to 6 months late | 7 Jan 2028 to 6 Apr 2028 | £750 |
| More than 6 months late | From 7 Apr 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Feb 2028 | £200 |
| 3 months late | 30 Apr 2028 | another £200 |
| 6 months late | 31 Jul 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Jan 2029 | 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
- 16946591
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 6 January 2026
- Registered office
- 113 Glenwood Road, 113 Glenwood Road, London, N15 3JS
- Nature of business
- Other building completion and finishing (SIC 43390)
Other building and industrial cleaning activities (SIC 81229)
Other cleaning services (SIC 81299) - Year end
- 31 January (accounting reference date)
- Accounts type
- No accounts filed yet
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 London
Other active building finishing companies registered in London.
- SDS Building Consultancy Ltd2026
- Sdu Limited2006
- Seabreeze Building Solutions Ltd2026
- Seaclass Limited2012
- Sealine Roofing Ltd2025
- Seamless Finishes Limited2015
- Seamless Line Limited2025
- Seba Services Inc Limited2015
All building finishing companies in London · All trades in London · Finishing trades across the UK
Frequently asked questions
When are SD Constructclean Ltd's accounts due?
SD Constructclean Ltd's next accounts are due at Companies House by 6 October 2027 (in 359 days), covering the period to 31 January 2027.
When is SD Constructclean Ltd's CT600 due?
The first accounts cover more than 12 months, so there are two Company Tax Returns: one for the 12 months to 5 January 2027, due by 5 January 2028, and one for the period to 31 January 2027, due by 31 January 2028. Corporation tax is payable 9 months and 1 day after the end of each.
Is SD Constructclean Ltd still trading?
SD Constructclean 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 SD Constructclean Ltd do?
SD Constructclean Ltd is registered under Other building completion and finishing (SIC 43390); Other building and industrial cleaning activities (SIC 81229); Other cleaning services (SIC 81299).
How old is SD Constructclean Ltd?
SD Constructclean Ltd was incorporated on 6 January 2026, less than a year ago.
What is the penalty if SD Constructclean 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 SD Constructclean 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.