- Companies
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- Wallington
- Stelmac Design & Build Ltd
Stelmac Design & Build Ltd
- Company number
- 17386287
- Incorporated
- 6 Aug 2026
- Registered office
- Flat 5, 7 Brambledown Road, Wallington, SM6 0TG
- Nature of business
- Construction of domestic buildings
Stelmac Design & Build Ltd is a newly incorporated private limited company registered in Wallington, company number 17386287, one of 81 building contractors in Wallington. Its next accounts are due at Companies House on 6 May 2028, and its first CT600 is due at HMRC on 5 August 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 Stelmac Design & Build Ltd is registered
The registered office is in Wallington (SM6), in the Sutton local authority area, London. Show SM6 0TG on a map.
Other trade companies in SM6
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- Hqa Renovation and Solutions LtdInstallers
- Averion Homes & Developments LtdProperty developers
- A&S Property Developer (London) LtdProperty developers
- Goready Mobile Tyres LtdMechanics and garages
- Burden Developments LimitedProperty developers
- Foxcontrolsolutions LtdElectricians
- South East Decorators & Restoration LtdPainters and decorators
What happens if Stelmac Design & Build 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 May 2028.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 7 May 2028 to 6 Jun 2028 | £150 |
| 1 to 3 months late | 7 Jun 2028 to 6 Aug 2028 | £375 |
| 3 to 6 months late | 7 Aug 2028 to 6 Nov 2028 | £750 |
| More than 6 months late | From 7 Nov 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Sep 2028 | £200 |
| 3 months late | 30 Nov 2028 | another £200 |
| 6 months late | 28 Feb 2029 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Aug 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
- 17386287
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 6 August 2026
- Registered office
- Flat 5, 7 Brambledown Road, Wallington, SM6 0TG
- Nature of business
- Construction of domestic buildings (SIC 41202)
- Year end
- 31 August (accounting reference date)
- Accounts type
- No accounts filed yet
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.
Similar companies in Wallington
Other active building contractors registered in Wallington.
- Subam Constructions Ltd2020
- Truecurrent Ltd2025
- Tudor Oak Developments Limited2017
- Twinoakley the Building Company Ltd2026
- WBS London Ltd2025
- WH Brickwork Contractors Limited1998
- Yamali-Bushi Ltd2008
- Zia Builders Limited2016
All building contractors in Wallington · All trades in Wallington · Builders across the UK
Frequently asked questions
When are Stelmac Design & Build Ltd's accounts due?
Stelmac Design & Build Ltd's next accounts are due at Companies House by 6 May 2028 (in 571 days), covering the period to 31 August 2027.
When is Stelmac Design & Build 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 August 2027, due by 5 August 2028, and one for the period to 31 August 2027, due by 31 August 2028. Corporation tax is payable 9 months and 1 day after the end of each.
Is Stelmac Design & Build Ltd still trading?
Stelmac Design & Build 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 Stelmac Design & Build Ltd do?
Stelmac Design & Build Ltd is registered under Construction of domestic buildings (SIC 41202).
How old is Stelmac Design & Build Ltd?
Stelmac Design & Build Ltd was incorporated on 6 August 2026, less than a year ago.
What is the penalty if Stelmac Design & Build 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 Stelmac Design & Build 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.