- Company number
- 14322355
- Incorporated
- 29 Aug 20224 years trading
- Registered office
- 238 Mill Road, Cambridge, CB1 3NF
- Nature of business
- Construction of domestic buildings; Agents involved in the sale of furniture, household goods, hardware and ironmongery; Wholesale of wood, construction materials and sanitary equipment; specialised design activities
Stemark Buildings Ltd is a 4-year-old private limited company registered in Cambridge, company number 14322355, one of 238 building contractors in Cambridge. Its next accounts are due at Companies House on 31 May 2027, and the CT600 for the period to 31 August 2026 is due at HMRC on 31 August 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 down £27K (-311.3%) on the year before, to -£18K.
- Current assets of £37K against £54K owed within a year: 0.7 times cover.
- 3 employees on average, up from 2 the year before.
- 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 |
|---|---|---|---|---|---|
| 31 Aug 2025 | -£18K | £37K | £54K | 3 | |
| 31 Aug 2024 | £8,713 | £36K | £26K | 2 | |
| 31 Aug 2023 | £100 | £100 |
Where Stemark Buildings Ltd is registered
The registered office is in Cambridge (CB1), in the Cambridge local authority area, East of England. Show CB1 3NF on a map.
Other trade companies in CB1
- Al Zoube LtdMotor traders
- Opalink Commerce LimitedMotor traders
- Pigeon (Gransden) LimitedProperty developers
- Forecast Roofing & Guttering LtdRoofers
- United Solutions Enterprise LtdFinishing trades
- White Construction LtdBuilders
- Residential Roofing & Guttering LtdRoofers
- Pigeon (H) LimitedProperty developers
What happens if Stemark Buildings 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 31 May 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jun 2027 to 30 Jun 2027 | £150 |
| 1 to 3 months late | 1 Jul 2027 to 31 Aug 2027 | £375 |
| 3 to 6 months late | 1 Sep 2027 to 30 Nov 2027 | £750 |
| More than 6 months late | From 1 Dec 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Sep 2027 | £200 |
| 3 months late | 30 Nov 2027 | another £200 |
| 6 months late | 29 Feb 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Aug 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
- 14322355
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 29 August 2022 (4 years ago)
- Registered office
- 238 Mill Road, Cambridge, CB1 3NF
- Nature of business
- Construction of domestic buildings (SIC 41202)
Agents involved in the sale of furniture, household goods, hardware and ironmongery (SIC 46150)
Wholesale of wood, construction materials and sanitary equipment (SIC 46730)
specialised design activities (SIC 74100) - Year end
- 31 August (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 August 2025
- Last confirmation statement
- 11 June 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 Cambridge
Other active building contractors registered in Cambridge.
- Strata Service Group Ltd2026
- Syb Home Partners Ltd2025
- Taronina Decorators Ltd2026
- Taylor Building Developments Ltd2014
- TBLS Property Services Ltd2025
- The Az Alim Group Ltd2023
- The Radiant Group Ltd2019
- Tivoli Estates Limited2020
All building contractors in Cambridge · All trades in Cambridge · Builders across the UK
Frequently asked questions
When are Stemark Buildings Ltd's accounts due?
Stemark Buildings Ltd's next accounts are due at Companies House by 31 May 2027 (in 231 days), covering the period to 31 August 2026.
When is Stemark Buildings Ltd's CT600 due?
The CT600 for the period to 31 August 2026 is due at HMRC by 31 August 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 June 2027.
Is Stemark Buildings Ltd still trading?
Stemark Buildings 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 Stemark Buildings Ltd do?
Stemark Buildings Ltd is registered under Construction of domestic buildings (SIC 41202); Agents involved in the sale of furniture, household goods, hardware and ironmongery (SIC 46150); Wholesale of wood, construction materials and sanitary equipment (SIC 46730); specialised design activities (SIC 74100).
How old is Stemark Buildings Ltd?
Stemark Buildings Ltd was incorporated on 29 August 2022, 4 years ago.
What is the penalty if Stemark Buildings 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 Stemark Buildings 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.