- Company number
- 01958595
- Incorporated
- 13 Nov 198540 years trading
- Registered office
- Druslyn House, De La Beche Street, Swansea, SA1 3HJ
- Nature of business
- Construction of domestic buildings; Construction of other civil engineering projects n.e.c.
South Haven Construction Limited is a 40-year-old private limited company registered in Swansea, company number 01958595, one of 204 building contractors in Swansea. 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 £71K (-40.1%) on the year before, to £106K.
- Net assets rose in 0 of 9 year-on-year comparisons on record.
- Current assets of £119K against £13K owed within a year: 9.2 times cover.
- 2 employees on average during the year.
- Balance sheets on record for 10 years, 2016 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Mar 2025 | £106K | £11K | £119K | £13K | 2 |
| 31 Mar 2024 | £178K | £113K | £211K | £33K | 2 |
| 31 Mar 2023 | £261K | £8,442 | £87K | £27K | 2 |
| 31 Mar 2022 | £269K | £16K | £93K | £25K | 2 |
| 31 Mar 2021 | £273K | £17K | £97K | £24K | 2 |
| 31 Mar 2020 | £274K | £11K | £28K | £31K | 2 |
| 31 Mar 2019 | £276K | £11K | £19K | £21K | 2 |
| 31 Mar 2018 | £309K | £150 | £116K | £82K | |
| 31 Mar 2017 | £344K | £150 | £111K | £39K | |
| 31 Mar 2016 | £466K | £150 | £559K | £351K |
Where South Haven Construction Limited is registered
The registered office is in Swansea (SA1), in the Swansea local authority area, Wales. Show SA1 3HJ on a map.
Other trade companies in SA1
- JDS Ringside Customs LtdRepair services
- D & M Carpentry and Construction LimitedCivil engineering
- Westway Window Systems LimitedJoiners and carpenters
- International Classic Car Sales LtdMotor traders
- Edefec LtdBuilders
- Swansea Scaffolding Services LtdScaffolders
- Lou's Paint and Finish LimitedPainters and decorators
- Mesa Property Development LtdProperty developers
Also registered at this address
24 other companies use the same registered office as South Haven Construction Limited.
- A.Beynon Agri Envirocon LimitedInstallers
- Aber Landscapes LimitedLandscapers and gardeners
- Abergavenny Brake & Clutch LimitedMotor traders
- Artisan Flooring LimitedFloor and wall tilers
- Aspect Aluminium LimitedGlaziers
- Baywifi (UK) LimitedMachinery repair and installation
- Bespoke Solid Surface Worktops and Counters LimitedFinishing trades
- Buybuymotor.Com LimitedMotor traders
- Craig Las Group LimitedBuilders
- Damo's Garden Maintenance LtdLandscapers and gardeners
- Evercoat Home Improvements LimitedFloor and wall tilers
- Evolution Car and Commercial Body Repairs LimitedMechanics and garages
- Fire Check UK LtdMachinery repair and installation
- Guardian Property Services (Gpsuk) LimitedMachinery repair and installation
- Hamilton Developments (Wales) LtdProperty developers
- Interlaid Services LimitedFloor and wall tilers
- J. Homes LtdBuilders
- Liberty Home Design LimitedJoiners and carpenters
- Loc IT and Leave IT LimitedMachinery repair and installation
- P R Beynon (Contractors) LimitedBuilders
- Pro Spec Interiors LimitedInstallers
- S Charles Estates LtdProperty developers
- Skywash Drones (Wales-UK) LimitedCleaning companies
- Spritemast LimitedSpecialist contractors
What happens if South Haven Construction 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
- 01958595
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 13 November 1985 (40 years ago)
- Registered office
- Druslyn House, De La Beche Street, Swansea, SA1 3HJ
- Nature of business
- Construction of domestic buildings (SIC 41202)
Construction of other civil engineering projects n.e.c. (SIC 42990) - Year end
- 31 March (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 March 2025
- Last confirmation statement
- 10 July 2026
- Charges (mortgages)
- 10 outstanding of 11 registered
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 Swansea
Other active building contractors registered in Swansea.
- South Wales Construction & Shop Fitting Limited2016
- Stephen Pritchard Energy Assessor Ltd2024
- Streamline Development South Wales Limited2025
- Structures & Civils Limited2012
- Surefire Distribution Ltd2013
- Swansea Developments SPV 2 Ltd2020
- Swansea HD Brickwork Ltd2018
- Swansea Student Houses Limited2016
All building contractors in Swansea · All trades in Swansea · Builders across the UK
Frequently asked questions
When are South Haven Construction Limited's accounts due?
South Haven Construction 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 South Haven Construction 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 South Haven Construction Limited still trading?
South Haven Construction 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 South Haven Construction Limited do?
South Haven Construction Limited is registered under Construction of domestic buildings (SIC 41202); Construction of other civil engineering projects n.e.c. (SIC 42990).
How old is South Haven Construction Limited?
South Haven Construction Limited was incorporated on 13 November 1985, 40 years ago.
What is the penalty if South Haven Construction 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 South Haven Construction 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.