- Companies
- Civil engineering
- Swindon
- Sure Plugs Ltd
Sure Plugs Ltd
- Company number
- 15845335
- Incorporated
- 18 Jul 20242 years trading
- Registered office
- 290 Homington Avenue, Coate, Swindon, SN3 6EP
- Nature of business
- Construction of railways and underground railways; Freight transport by road; Information technology consultancy activities; General cleaning of buildings
Sure Plugs Ltd is a 2-year-old private limited company registered in Swindon, company number 15845335, one of 67 civil engineering contractors in Swindon. Its next accounts are due at Companies House on 30 April 2028, and the CT600 for the period to 31 July 2027 is due at HMRC on 31 July 2028.
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 £3,140 (-608.5%) on the year before, to -£3,656.
- Current assets of -£10K against £300 owed within a year: -34.2 times cover.
- No employees reported for the latest year (directors are often not counted as employees).
- Balance sheets on record for 2 years, 2025 to 2026.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Jul 2026 | -£3,656 | -£10K | £300 | 0 | |
| 31 Jul 2025 | -£516 | -£8,287 | £869 | 0 |
Where Sure Plugs Ltd is registered
The registered office is in Swindon (SN3), in the Swindon local authority area, South West. Show SN3 6EP on a map.
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What happens if Sure Plugs 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 30 April 2028.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 May 2028 to 31 May 2028 | £150 |
| 1 to 3 months late | 1 Jun 2028 to 31 Jul 2028 | £375 |
| 3 to 6 months late | 1 Aug 2028 to 31 Oct 2028 | £750 |
| More than 6 months late | From 1 Nov 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Aug 2028 | £200 |
| 3 months late | 31 Oct 2028 | another £200 |
| 6 months late | 31 Jan 2029 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Jul 2029 | 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
- 15845335
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 18 July 2024 (2 years ago)
- Registered office
- 290 Homington Avenue, Coate, Swindon, SN3 6EP
- Nature of business
- Construction of railways and underground railways (SIC 42120)
Freight transport by road (SIC 49410)
Information technology consultancy activities (SIC 62020)
General cleaning of buildings (SIC 81210) - Year end
- 31 July (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 July 2026
- Last confirmation statement
- 17 July 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 Swindon
Other active civil engineering contractors registered in Swindon.
- Thornton Independent Ltd2024
- UK Groundwork Contractors Limited2017
- Unity Signalling Ltd2026
- Woodleaze Groundworks and Civil Engineering Ltd2019
- Woody's Water Utilities Ltd2026
- Wroughton Building Contractors Limited2001
- Yeokom Engineering Ltd2017
- Andrew Group Construct Ltd2024
All civil engineering contractors in Swindon · All trades in Swindon · Civil engineering across the UK
Frequently asked questions
When are Sure Plugs Ltd's accounts due?
Sure Plugs Ltd's next accounts are due at Companies House by 30 April 2028 (in 565 days), covering the period to 31 July 2027.
When is Sure Plugs Ltd's CT600 due?
The CT600 for the period to 31 July 2027 is due at HMRC by 31 July 2028, 12 months after the period end. The corporation tax itself is payable earlier, by 1 May 2028.
Is Sure Plugs Ltd still trading?
Sure Plugs 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 Sure Plugs Ltd do?
Sure Plugs Ltd is registered under Construction of railways and underground railways (SIC 42120); Freight transport by road (SIC 49410); Information technology consultancy activities (SIC 62020); General cleaning of buildings (SIC 81210).
How old is Sure Plugs Ltd?
Sure Plugs Ltd was incorporated on 18 July 2024, 2 years ago.
What is the penalty if Sure Plugs 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 Sure Plugs 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.