- Companies
- Specialist contractors
- Southampton
- Coastline Facilities Support Services Limited
Coastline Facilities Support Services Limited
- Company number
- 11231267
- Incorporated
- 1 Mar 20188 years trading
- Registered office
- Barwell House Coal Park Lane, Swanwick, Southampton, SO31 7GW
- Nature of business
- Other specialised construction activities n.e.c.; Other service activities n.e.c.
Coastline Facilities Support Services Limited is a 8-year-old private limited company registered in Southampton, company number 11231267, one of 202 specialist construction companies in Southampton. 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.
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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 £94K (-24.9%) on the year before, to £282K.
- Net assets rose in 2 of 3 year-on-year comparisons on record.
- Current assets of £279K against £71K owed within a year: 3.9 times cover.
- 14 employees on average, up from 13 the year before.
- 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 | £282K | £67K | £279K | £71K | 14 |
| 31 Mar 2024 | £376K | £84K | £407K | £89K | 13 |
| 31 Mar 2023 | £290K | £79K | £405K | £161K | 9 |
| 31 Mar 2022 | £213K | £49K | £324K | £130K | 8 |
Where Coastline Facilities Support Services Limited is registered
The registered office is in Southampton (SO31), in the Fareham local authority area, South East. Show SO31 7GW on a map.
Other trade companies in SO31
- MNC Cleaning LtdCleaning companies
- Mars Eng. LtdMachinery repair and installation
- Amc Plumbing and Heating LtdPlumbers and heating engineers
- Pride & Bloom LtdLandscapers and gardeners
- Hampshire Heating and Cooling LtdPlumbers and heating engineers
- Kelpie Landscape & Build LtdFinishing trades
- FSC Facilities Services LtdInstallers
- Fitton & Redding Services LimitedMechanics and garages
Also registered at this address
1 other company uses the same registered office as Coastline Facilities Support Services Limited.
- Hamble Propellers LimitedMachinery repair and installation
What happens if Coastline Facilities Support Services 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 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
- 11231267
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 1 March 2018 (8 years ago)
- Registered office
- Barwell House Coal Park Lane, Swanwick, Southampton, SO31 7GW
- Nature of business
- Other specialised construction activities n.e.c. (SIC 43999)
Other service activities n.e.c. (SIC 96090) - Year end
- 31 March (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 March 2025
- Last confirmation statement
- 28 February 2026
- Charges (mortgages)
- 1 outstanding of 1 registered
Filing notes for specialist construction companies
Specialist contractors often work under CIS for main contractors. Retentions held back by the customer still count towards turnover once the work is done.
Similar companies in Southampton
Other active specialist construction companies registered in Southampton.
- Conson Projects Ltd2021
- Constructii Denis Ltd2022
- Cosgrove Painting Contractors Limited2016
- County Driveways and Drop Kerbs Ltd2026
- Court Property Services Ltd2007
- CPB Building Contractors Ltd2023
- Cre8Ive-Constructo Limited2013
- Crisp JNR Ltd2023
All specialist construction companies in Southampton · All trades in Southampton · Specialist contractors across the UK
Frequently asked questions
When are Coastline Facilities Support Services Limited's accounts due?
Coastline Facilities Support Services Limited's next accounts are due at Companies House by 31 December 2026 (in 79 days), covering the period to 31 March 2026.
When is Coastline Facilities Support Services Limited'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 Coastline Facilities Support Services Limited still trading?
Coastline Facilities Support Services 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 Coastline Facilities Support Services Limited do?
Coastline Facilities Support Services Limited is registered under Other specialised construction activities n.e.c. (SIC 43999); Other service activities n.e.c. (SIC 96090).
How old is Coastline Facilities Support Services Limited?
Coastline Facilities Support Services Limited was incorporated on 1 March 2018, 8 years ago.
What is the penalty if Coastline Facilities Support Services 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 Coastline Facilities Support Services 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.