- Companies
- Civil engineering
- Newport
- South Wales Building and Construction Limited
South Wales Building and Construction Limited
- Company number
- 07319979
- Incorporated
- 20 Jul 201016 years trading
- Registered office
- Unit 1A Darren Drive Prince of Wales Industrial Estate, Abercarn, Newport, Gwent, NP11 5AR
- Nature of business
- Construction of other civil engineering projects n.e.c.
South Wales Building and Construction Limited is a 16-year-old private limited company registered in Newport, company number 07319979, one of 80 civil engineering contractors in Newport. Its next accounts are due at Companies House on 25 April 2027, and the CT600 for the period to 25 July 2026 is due at HMRC on 25 July 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 up £112K (+21.5%) on the year before, to £634K.
- Net assets rose in 9 of 9 year-on-year comparisons on record.
- Current assets of £906K against £337K owed within a year: 2.7 times cover.
- 24 employees on average, up from 22 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 Jul 2025 | £634K | £503K | £906K | £337K | 24 |
| 31 Jul 2024 | £521K | £356K | £672K | £227K | 22 |
| 31 Jul 2023 | £472K | £488K | £746K | £336K | 21 |
| 31 Jul 2022 | £290K | £464K | £212K | 22 | |
| 31 Jul 2021 | £217K | £201K | £521K | £332K | 22 |
| 31 Jul 2020 | £183K | £188K | £421K | £252K | 25 |
| 31 Jul 2019 | £167K | £88K | £407K | £248K | 24 |
| 31 Jul 2018 | £153K | £158K | £468K | £323K | 27 |
| 31 Jul 2017 | £133K | £104K | £436K | £321K | 27 |
| 31 Jul 2016 | £113K | £68K | £523K |
Where South Wales Building and Construction Limited is registered
The registered office is in Newport (NP11), in the Caerphilly local authority area, Wales. Show NP11 5AR on a map.
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What happens if South Wales Building and 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 25 April 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 26 Apr 2027 to 25 May 2027 | £150 |
| 1 to 3 months late | 26 May 2027 to 25 Jul 2027 | £375 |
| 3 to 6 months late | 26 Jul 2027 to 25 Oct 2027 | £750 |
| More than 6 months late | From 26 Oct 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 26 Jul 2027 | £200 |
| 3 months late | 25 Oct 2027 | another £200 |
| 6 months late | 25 Jan 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 25 Jul 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
- 07319979
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 20 July 2010 (16 years ago)
- Registered office
- Unit 1A Darren Drive Prince of Wales Industrial Estate, Abercarn, Newport, Gwent, NP11 5AR
- Nature of business
- Construction of other civil engineering projects n.e.c. (SIC 42990)
- Year end
- 25 July (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 July 2025
- Last confirmation statement
- 12 August 2026
Filing notes for civil engineering contractors
Civil engineering contractors usually carry plant and machinery, so capital allowances (the annual investment allowance and the main pool) do much of the work in the corporation tax computation.
Similar companies in Newport
Other active civil engineering contractors registered in Newport.
- South Wales Utility Mapping Limited2017
- South West Pipelines Limited2010
- South Western Tubes Limited1981
- T J Morris Plant Hire Ltd2005
- Tankology Services Ltd2023
- Taylor Civil Engineering & Plant Sales Ltd2026
- Tekton Civil Engineering Ltd2024
- Tillott Renewable Contracting Ltd2017
All civil engineering contractors in Newport · All trades in Newport · Civil engineering across the UK
Frequently asked questions
When are South Wales Building and Construction Limited's accounts due?
South Wales Building and Construction Limited's next accounts are due at Companies House by 25 April 2027 (in 194 days), covering the period to 25 July 2026.
When is South Wales Building and Construction Limited's CT600 due?
The CT600 for the period to 25 July 2026 is due at HMRC by 25 July 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 26 April 2027.
Is South Wales Building and Construction Limited still trading?
South Wales Building and 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 Wales Building and Construction Limited do?
South Wales Building and Construction Limited is registered under Construction of other civil engineering projects n.e.c. (SIC 42990).
How old is South Wales Building and Construction Limited?
South Wales Building and Construction Limited was incorporated on 20 July 2010, 16 years ago.
What is the penalty if South Wales Building and 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 Wales Building and 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.