- Companies
- Specialist contractors
- Swansea
- Sunplants Limited
Sunplants Limited
- Company number
- 02319601
- Incorporated
- 21 Nov 198837 years trading
- Registered office
- 4 High Street, Pontardawe, Swansea, SA8 4HU
- Nature of business
- Other specialised construction activities n.e.c.
Sunplants Limited is a 37-year-old private limited company registered in Swansea, company number 02319601, one of 99 specialist construction companies in Swansea. Its next accounts are due at Companies House on 31 October 2026, and the CT600 for the period to 31 January 2026 is due at HMRC on 31 January 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 £673 (-15.9%) on the year before, to £3,567.
- Net assets rose in 2 of 9 year-on-year comparisons on record.
- Current assets of £29K against £25K owed within a year: 1.1 times cover.
- 2 employees on average, up from 1 the year before.
- 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 Jan 2025 | £3,567 | £29K | £25K | 2 | |
| 31 Jan 2024 | £4,240 | £27K | £19K | 1 | |
| 31 Jan 2023 | £4,541 | £18K | £12K | 1 | |
| 31 Jan 2022 | -£10K | £6,887 | £9,375 | 1 | |
| 31 Jan 2021 | -£73K | £642 | £360 | 1 | |
| 31 Jan 2020 | -£72K | £769 | £540 | 0 | |
| 31 Jan 2019 | -£70K | £66 | £465 | £71K | 1 |
| 31 Jan 2018 | -£69K | £1 | £210 | £69K | 1 |
| 31 Jan 2017 | -£67K | £68K | 1 | ||
| 31 Jan 2016 | -£66K | £66K |
Where Sunplants Limited is registered
The registered office is in Swansea (SA8), in the Neath Port Talbot local authority area, Wales. Show SA8 4HU on a map.
Other trade companies in SA8
- Pontardawe Hand Car Wash LtdCleaning companies
- BM Carpentry Solutions LimitedJoiners and carpenters
- MS Julian Building Services LimitedProperty developers
- 2MR Property LtdProperty developers
- Davies Groundworks and Construction LtdBuilders
- NJH Car Sales LimitedMotor traders
- The Cleaning Signature LimitedCleaning companies
- Olitill Property Development LtdProperty developers
Shared registered office
32 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 Sunplants 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 October 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Nov 2026 to 30 Nov 2026 | £150 |
| 1 to 3 months late | 1 Dec 2026 to 31 Jan 2027 | £375 |
| 3 to 6 months late | 1 Feb 2027 to 30 Apr 2027 | £750 |
| More than 6 months late | From 1 May 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Feb 2027 | £200 |
| 3 months late | 30 Apr 2027 | another £200 |
| 6 months late | 31 Jul 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Jan 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
- 02319601
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 21 November 1988 (37 years ago)
- Registered office
- 4 High Street, Pontardawe, Swansea, SA8 4HU
- Nature of business
- Other specialised construction activities n.e.c. (SIC 43999)
- Year end
- 31 January (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 January 2025
- Last confirmation statement
- 5 February 2026
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 Swansea
Other active specialist construction companies registered in Swansea.
- Swansea Decorating Services Limited2011
- Swansea Surveys Ltd2011
- T & K Precision Scaffolding Ltd2019
- TG Carpentry and Construction Ltd2021
- Tudor Davies & Sons Limited2017
- Ty Hapus Cymru Limited2015
- Unity Power Ltd2023
- Wagman Windows Limited1991
All specialist construction companies in Swansea · All trades in Swansea · Specialist contractors across the UK
Frequently asked questions
When are Sunplants Limited's accounts due?
Sunplants Limited's next accounts are due at Companies House by 31 October 2026 (in 19 days), covering the period to 31 January 2026.
When is Sunplants Limited's CT600 due?
The CT600 for the period to 31 January 2026 is due at HMRC by 31 January 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 November 2026.
Is Sunplants Limited still trading?
Sunplants 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 Sunplants Limited do?
Sunplants Limited is registered under Other specialised construction activities n.e.c. (SIC 43999).
How old is Sunplants Limited?
Sunplants Limited was incorporated on 21 November 1988, 37 years ago.
What is the penalty if Sunplants 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 Sunplants 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.