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- SWM Construction Ltd
Company profile · Installers
SWM Construction Ltd
SWM Construction Ltd is a newly incorporated private limited company registered in London, company number 17072677, one of 2,278 installation companies (insulation, lifts, shutters and similar) in London. Its next accounts are due at Companies House on 5 December 2027, and its first CT600 is due at HMRC on 4 March 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.
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Where SWM Construction Ltd is registered
The registered office is in London (WC1V), in the Camden local authority area, London. Show WC1V 6AA on a map.
Other trade companies in WC1V
- LHS Property Holdings LtdProperty developers
- Fouretta LimitedProperty developers
- Ditus Group LtdBuilders
- Naseby One LimitedCivil engineering
- Oceana Developments LimitedProperty developers
- Dengie Marshes Wind Farm LimitedCivil engineering
- Welford Wind Farm LimitedCivil engineering
- Green Stay Services LtdCleaning companies
Also registered at this address
5 other companies use the same registered office as SWM Construction Ltd.
- Csky Services LimitedBuilders
- Escrillon Properties LimitedProperty developers
- Invel Investment LimitedProperty developers
- London & Berkshire Estates LimitedProperty developers
- Summerthorne Estates LimitedProperty developers
What happens if SWM 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 5 December 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 6 Dec 2027 to 5 Jan 2028 | £150 |
| 1 to 3 months late | 6 Jan 2028 to 5 Mar 2028 | £375 |
| 3 to 6 months late | 6 Mar 2028 to 5 Jun 2028 | £750 |
| More than 6 months late | From 6 Jun 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Apr 2028 | £200 |
| 3 months late | 30 Jun 2028 | another £200 |
| 6 months late | 30 Sep 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Mar 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
- 17072677
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 5 March 2026
- Registered office
- 5TH Floor, 37 High Holborn, London, WC1V 6AA
- Nature of business
- Other construction installation (SIC 43290)
- Year end
- 31 March (accounting reference date)
- Accounts type
- No accounts filed yet
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 in London
Other active installation companies (insulation, lifts, shutters and similar) registered in London.
- Sy Bathroom Solutions Ltd2026
- Sydenham Double Glazing Ltd2012
- Synergy Sphere Solutions Limited2025
- T&D House and Home Ltd2022
- T&K Building and Decorating Ltd2019
- T&O Interior Limited2024
- T.M&B.Z Limited2024
- T2 Mep Ltd2023
All installation companies (insulation, lifts, shutters and similar) in London · All trades in London · Installers across the UK
Frequently asked questions
When are SWM Construction Ltd's accounts due?
SWM Construction Ltd's next accounts are due at Companies House by 5 December 2027 (in 419 days), covering the period to 31 March 2027.
When is SWM Construction 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 4 March 2027, due by 4 March 2028, and one for the period to 31 March 2027, due by 31 March 2028. Corporation tax is payable 9 months and 1 day after the end of each.
Is SWM Construction Ltd still trading?
SWM 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 SWM Construction Ltd do?
SWM Construction Ltd is registered under Other construction installation (SIC 43290).
How old is SWM Construction Ltd?
SWM Construction Ltd was incorporated on 5 March 2026, less than a year ago.
What is the penalty if SWM 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 SWM 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.