- Companies
- Finishing trades
- Southsea
- SK Southern Building Services Ltd
SK Southern Building Services Ltd
- Company number
- 16417133
- Incorporated
- 29 Apr 20251 year trading
- Registered office
- 66 Goodwood Road, Southsea, PO5 1NW
- Nature of business
- Other building completion and finishing
SK Southern Building Services Ltd is a 1-year-old private limited company registered in Southsea, company number 16417133, one of 30 building finishing companies in Southsea. Its next accounts are due at Companies House on 29 January 2027, and its first CT600 is due at HMRC on 28 April 2027.
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 SK Southern Building Services Ltd is registered
The registered office is in Southsea (PO5), in the Portsmouth local authority area, South East. Show PO5 1NW on a map.
Other trade companies in PO5
- Fixnova LtdRepair services
- Luxury Resin Floors and Media Walls LtdBuilders
- Pretty Unique Cleaning Services LtdCleaning companies
- Bay Bricks LtdProperty developers
- Blydan Holdings LimitedProperty developers
- Inside Out Developments Southampton LtdBuilders
- Hampshire Car Hire LtdMechanics and garages
- Baynes Wipers LtdMachinery repair and installation
What happens if SK Southern Building Services 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 29 January 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 30 Jan 2027 to 28 Feb 2027 | £150 |
| 1 to 3 months late | 1 Mar 2027 to 29 Apr 2027 | £375 |
| 3 to 6 months late | 30 Apr 2027 to 29 Jul 2027 | £750 |
| More than 6 months late | From 30 Jul 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 May 2027 | £200 |
| 3 months late | 30 Jul 2027 | another £200 |
| 6 months late | 30 Oct 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Apr 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
- 16417133
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 29 April 2025 (1 year ago)
- Registered office
- 66 Goodwood Road, Southsea, PO5 1NW
- Nature of business
- Other building completion and finishing (SIC 43390)
- Year end
- 30 April (accounting reference date)
- Accounts type
- No accounts filed yet
- Last confirmation statement
- 28 April 2026
Filing notes for building finishing companies
Finishing trade companies cover a wide range of work. Most are micro-entities with simple accounts and a straightforward CT600.
Similar companies in Southsea
Other active building finishing companies registered in Southsea.
- Steel Solutions (South) Ltd2018
- Suits U Painting and Decorating Ltd2021
- T&L Brickwork & Building Services Limited2018
- Taylor Design and Build South Ltd2026
- The Astute Building Company Ltd2025
- The Attentive Building Company Ltd2014
- The Ideal DIY Husband Limited2025
- Waldron Limited1980
All building finishing companies in Southsea · All trades in Southsea · Finishing trades across the UK
Frequently asked questions
When are SK Southern Building Services Ltd's accounts due?
SK Southern Building Services Ltd's next accounts are due at Companies House by 29 January 2027 (in 108 days), covering the period to 30 April 2026.
When is SK Southern Building Services 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 28 April 2026, due by 28 April 2027, and one for the period to 30 April 2026, due by 30 April 2027. Corporation tax is payable 9 months and 1 day after the end of each.
Is SK Southern Building Services Ltd still trading?
SK Southern Building Services 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 SK Southern Building Services Ltd do?
SK Southern Building Services Ltd is registered under Other building completion and finishing (SIC 43390).
How old is SK Southern Building Services Ltd?
SK Southern Building Services Ltd was incorporated on 29 April 2025, 1 year ago.
What is the penalty if SK Southern Building Services 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 SK Southern Building Services 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.