- Company number
- 15461599
- Incorporated
- 2 Feb 20242 years trading
- Registered office
- Salatin House, 19 Cedar Road, Sutton, SM2 5DA
- Nature of business
- Construction of commercial buildings; Activities of construction holding companies
STM London Limited is a 2-year-old private limited company registered in Sutton, company number 15461599, one of 236 building contractors in Sutton. Its next accounts are due at Companies House on 28 February 2027, and the CT600 for the period to 31 May 2026 is due at HMRC on 31 May 2027.
Key dates
Worked out from the year end and filing history on the Companies House register.
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Financial snapshot, 2025
From the balance sheet at 31 May 2025, as filed at Companies House. Negative net assets mean the company owed more than it owned at that date.
Where STM London Limited is registered
The registered office is in Sutton (SM2), in the Sutton local authority area, London. Show SM2 5DA on a map.
Other trade companies in SM2
- Stent Projects London LtdBuilders
- Ry Rigging Services LtdInstallers
- JP Plumbing, Heating & Drainage Solutions LtdPlumbers and heating engineers
- MR & Sons Roofing & Building LtdBuilders
- Velora Facilities LimitedCleaning companies
- Sparkle Shark LtdCleaning companies
- GL Building Solutions LtdBuilders
- Bespoke Air Design and Installation LimitedPlumbers and heating engineers
Also registered at this address
15 other companies use the same registered office as STM London Limited.
- B.G.I. (Electrical) LimitedElectricians
- B.H. Basements LimitedBuilders
- G & J Building & Construction LtdFinishing trades
- GB Autos Volvo Specialist LimitedMechanics and garages
- Holmes CR Electrics LimitedMachinery repair and installation
- Making Rooms LimitedSpecialist contractors
- Plot 10 LimitedProperty developers
- Professional Property Services LtdProperty developers
- PSP Services LimitedProperty developers
- Puket Builders LimitedProperty developers
- Ransom Wey Construction LimitedCivil engineering
- Riverlight LimitedLandscapers and gardeners
- Service Crew LtdRepair services
- Soho Consulting LimitedMachinery repair and installation
- STM Contractors LimitedBuilders
What happens if STM London 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 28 February 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Mar 2027 to 31 Mar 2027 | £150 |
| 1 to 3 months late | 1 Apr 2027 to 31 May 2027 | £375 |
| 3 to 6 months late | 1 Jun 2027 to 31 Aug 2027 | £750 |
| More than 6 months late | From 1 Sep 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jun 2027 | £200 |
| 3 months late | 31 Aug 2027 | another £200 |
| 6 months late | 30 Nov 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 May 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
- 15461599
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 2 February 2024 (2 years ago)
- Registered office
- Salatin House, 19 Cedar Road, Sutton, SM2 5DA
- Nature of business
- Construction of commercial buildings (SIC 41201)
Activities of construction holding companies (SIC 64203) - Year end
- 31 May (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 May 2025
- Last confirmation statement
- 26 March 2026
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 Sutton
Other active building contractors registered in Sutton.
- STS Building Limited2006
- Sutton Builders Ltd2021
- SV&LV Ltd2010
- Svelte Group Limited2025
- SW Decorating Ltd2015
- T&J Ottewill Roofing & Construction Ltd2026
- Talbot Park Developments Ltd2024
- Teixeira Refurbishment (Sutton) Ltd2011
All building contractors in Sutton · All trades in Sutton · Builders across the UK
Frequently asked questions
When are STM London Limited's accounts due?
STM London Limited's next accounts are due at Companies House by 28 February 2027 (in 138 days), covering the period to 31 May 2026.
When is STM London Limited's CT600 due?
The CT600 for the period to 31 May 2026 is due at HMRC by 31 May 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 March 2027.
Is STM London Limited still trading?
STM London 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 STM London Limited do?
STM London Limited is registered under Construction of commercial buildings (SIC 41201); Activities of construction holding companies (SIC 64203).
How old is STM London Limited?
STM London Limited was incorporated on 2 February 2024, 2 years ago.
What is the penalty if STM London 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 STM London Limited 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.