- Companies
- Plumbers and heating engineers
- Swanage
- Surface Sos Ltd
Surface Sos Ltd
- Company number
- 13290114
- Incorporated
- 24 Mar 20215 years trading
- Registered office
- Unit 1 the Ajm Centre, Prospect Business Park, Swanage, Dorset, BH19 1FE
- Nature of business
- Plumbing, heat and air-conditioning installation; Other building completion and finishing
Surface Sos Ltd is a 5-year-old private limited company registered in Swanage, company number 13290114, one of 16 plumbing and heating companies in Swanage. Its next accounts are due at Companies House on 31 December 2026, and the CT600 for the period to 31 March 2026 is due at HMRC on 31 March 2027.
Key dates
Worked out from the year end and filing history on the Companies House register.
Is this your company?
File the accounts to Companies House and the CT600 to HMRC yourself with A.X.E.L Filing. One set of questions, both filings, £49 flat. No accountant, no subscription.
File for Surface Sos LtdOr get a reminder before each deadline
Free. We email you 60, 30, 14, 7 and 1 days before the accounts, CT600 and confirmation statement are due. Unsubscribe in one click.
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 £17K (-70.9%) on the year before, to £7,158.
- Net assets rose in 0 of 3 year-on-year comparisons on record.
- Current assets of £23K against £15K owed within a year: 1.5 times cover.
- 1 employee on average during the year.
- Balance sheets on record for 4 years, 2022 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Mar 2025 | £7,158 | £3,628 | £23K | £15K | 1 |
| 31 Mar 2024 | £25K | £35K | £216 | 1 | |
| 31 Mar 2023 | £29K | £68K | £31K | 1 | |
| 31 Mar 2022 | £39K | £58K | £18K | 1 |
Where Surface Sos Ltd is registered
The registered office is in Swanage (BH19), in the Dorset local authority area, South West. Show BH19 1FE on a map.
Other trade companies in BH19
- Stella Leisure LimitedSpecialist contractors
- Meteau Properties LimitedBuilders
- SF Construction (Dorset) LtdInstallers
- Kick Car Care LtdMechanics and garages
- L Parker Building Services LtdPlumbers and heating engineers
- Marston Property (Dorset) LtdBuilders
- Egan Customs LtdMechanics and garages
- Cleanbeee Services LtdCleaning companies
Shared registered office
67 companies on our pages use this registered office address. An address shared this widely is usually an accountant's office or a company formation agent's service address, not where the business trades from.
What happens if Surface Sos 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 December 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jan 2027 to 31 Jan 2027 | £150 |
| 1 to 3 months late | 1 Feb 2027 to 31 Mar 2027 | £375 |
| 3 to 6 months late | 1 Apr 2027 to 30 Jun 2027 | £750 |
| More than 6 months late | From 1 Jul 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Apr 2027 | £200 |
| 3 months late | 30 Jun 2027 | another £200 |
| 6 months late | 30 Sep 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Mar 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
- 13290114
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 24 March 2021 (5 years ago)
- Registered office
- Unit 1 the Ajm Centre, Prospect Business Park, Swanage, Dorset, BH19 1FE
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
Other building completion and finishing (SIC 43390) - Year end
- 31 March (accounting reference date)
- Accounts type
- Unaudited abridged
- Last accounts made up to
- 31 March 2025
- Last confirmation statement
- 23 March 2026
Filing notes for plumbing and heating companies
Plumbing and heating companies frequently work under CIS for main contractors and also directly for homeowners, so turnover can mix CIS and non-CIS income.
Similar companies in Swanage
Other active plumbing and heating companies registered in Swanage.
- A S Hobbs Ltd2018
- Alan Harris Plumbing & Heating Ltd2013
- Bathman Services Ltd2002
- Birch Oil & Plumbing Ltd2008
- Butler Plumbing & Heating Limited2005
- Dorset Heat Ltd2013
- Greenheat Plumbing & Heating Ltd2012
- Hillcrest Heating & Plumbing Ltd2024
All plumbing and heating companies in Swanage · All trades in Swanage · Plumbers and heating engineers across the UK
Frequently asked questions
When are Surface Sos Ltd's accounts due?
Surface Sos Ltd's next accounts are due at Companies House by 31 December 2026 (in 80 days), covering the period to 31 March 2026.
When is Surface Sos Ltd's CT600 due?
The CT600 for the period to 31 March 2026 is due at HMRC by 31 March 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 January 2027.
Is Surface Sos Ltd still trading?
Surface Sos 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 Surface Sos Ltd do?
Surface Sos Ltd is registered under Plumbing, heat and air-conditioning installation (SIC 43220); Other building completion and finishing (SIC 43390).
How old is Surface Sos Ltd?
Surface Sos Ltd was incorporated on 24 March 2021, 5 years ago.
What is the penalty if Surface Sos 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 Surface Sos 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.