- Company number
- 12337296
- Incorporated
- 27 Nov 20196 years trading
- Registered office
- 104 Highland Road, Southsea, PO4 9NQ
- Nature of business
- Construction of domestic buildings
Stef Building Construction Ltd is a 6-year-old private limited company registered in Southsea, company number 12337296, one of 53 building contractors in Southsea. Its next accounts are due at Companies House on 31 August 2027, and the CT600 for the period to 30 November 2026 is due at HMRC on 30 November 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 up £14K (+17.7%) on the year before, to £90K.
- Net assets rose in 5 of 5 year-on-year comparisons on record.
- Current assets of £152K against £42K owed within a year: 3.6 times cover.
- 3 employees on average during the year.
- Balance sheets on record for 6 years, 2020 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 30 Nov 2025 | £90K | £80K | £152K | £42K | 3 |
| 30 Nov 2024 | £77K | £115K | £145K | £47K | 3 |
| 30 Nov 2023 | £59K | £106K | £115K | £34K | 3 |
| 30 Nov 2022 | £47K | £77K | £98K | £27K | 2 |
| 30 Nov 2021 | £45K | £72K | £92K | £17K | 1 |
| 30 Nov 2020 | -£1,799 | £4 | £245 | £2,044 | 1 |
Where Stef Building Construction Ltd is registered
The registered office is in Southsea (PO4), in the Portsmouth local authority area, South East. Show PO4 9NQ on a map.
Other trade companies in PO4
- Prestiige LtdMechanics and garages
- Portsea Homes LimitedProperty developers
- Elite Building Services (Portsmouth) LtdBuilders
- G Form Drylining LimitedPlasterers
- Solent Sales Haulage & Storage LtdMotor traders
- Koko Construction LtdBuilders
- Chase RCS LtdCivil engineering
- Proper Job Handyman LtdFinishing trades
What happens if Stef Building 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 31 August 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Sep 2027 to 30 Sep 2027 | £150 |
| 1 to 3 months late | 1 Oct 2027 to 30 Nov 2027 | £375 |
| 3 to 6 months late | 1 Dec 2027 to 29 Feb 2028 | £750 |
| More than 6 months late | From 1 Mar 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Dec 2027 | £200 |
| 3 months late | 29 Feb 2028 | another £200 |
| 6 months late | 30 May 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Nov 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
- 12337296
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 27 November 2019 (6 years ago)
- Registered office
- 104 Highland Road, Southsea, PO4 9NQ
- Nature of business
- Construction of domestic buildings (SIC 41202)
- Year end
- 30 November (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 30 November 2025
- Last confirmation statement
- 11 February 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 Southsea
Other active building contractors registered in Southsea.
- Teiu M Contractors Ltd2024
- Titi Brickwork Ltd2025
- TJS Brickwork & Construction Limited2025
- W & L Construction Limited2020
- Wake Construction Ltd2010
- Aiga Construction Ltd2015
- Aj Plumbing&Building Services Limited2023
- Am Property Construction Ltd2024
All building contractors in Southsea · All trades in Southsea · Builders across the UK
Frequently asked questions
When are Stef Building Construction Ltd's accounts due?
Stef Building Construction Ltd's next accounts are due at Companies House by 31 August 2027 (in 323 days), covering the period to 30 November 2026.
When is Stef Building Construction Ltd's CT600 due?
The CT600 for the period to 30 November 2026 is due at HMRC by 30 November 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 September 2027.
Is Stef Building Construction Ltd still trading?
Stef Building 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 Stef Building Construction Ltd do?
Stef Building Construction Ltd is registered under Construction of domestic buildings (SIC 41202).
How old is Stef Building Construction Ltd?
Stef Building Construction Ltd was incorporated on 27 November 2019, 6 years ago.
What is the penalty if Stef Building 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 Stef Building 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.