- Companies
- Finishing trades
- S Line Construction Ltd
S Line Construction Ltd
- Company number
- SC639567
- Incorporated
- 22 Aug 20197 years trading
- Registered office
- 15 Bruce Way, Calderwood, EH53 0TZ
- Nature of business
- Other building completion and finishing
S Line Construction Ltd is a 7-year-old private limited company registered in Calderwood, company number SC639567, one of the UK's building finishing companies. Its next accounts are due at Companies House on 31 May 2027, and the CT600 for the period to 31 August 2026 is due at HMRC on 31 August 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 £7,280 (-21.2%) on the year before, to £27K.
- Net assets rose in 3 of 5 year-on-year comparisons on record.
- Current assets of £46K against £23K owed within a year: 2.0 times cover.
- 2 employees on average, down from 3 the year before.
- Balance sheets on record for 6 years, 2020 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Aug 2025 | £27K | £46K | £23K | 2 | |
| 31 Aug 2024 | £34K | £95K | £45K | 3 | |
| 31 Aug 2023 | £30K | £163K | £115K | 3 | |
| 31 Aug 2022 | £12K | £123K | £97K | 3 | |
| 31 Aug 2021 | £9,960 | £96K | £68K | 3 | |
| 31 Aug 2020 | £17K | £136K | £96K | 3 |
Where S Line Construction Ltd is registered
The registered office is in Calderwood (EH53), in the West Lothian local authority area, Scotland. Show EH53 0TZ on a map.
Other trade companies in EH53
- Isso Gas and Plumbing LtdPlumbers and heating engineers
- Specialist Scaffolding LtdScaffolders
- Snagging Consultancy Scotland LtdFinishing trades
- Murieston Plumbing LtdPlumbers and heating engineers
- Next Generation Driveways LtdBuilders
- Antis Group LtdCleaning companies
- Klic Works LtdFinishing trades
- Hardscape LimitedLandscapers and gardeners
What happens if S Line Construction 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 31 May 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jun 2027 to 30 Jun 2027 | £150 |
| 1 to 3 months late | 1 Jul 2027 to 31 Aug 2027 | £375 |
| 3 to 6 months late | 1 Sep 2027 to 30 Nov 2027 | £750 |
| More than 6 months late | From 1 Dec 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Sep 2027 | £200 |
| 3 months late | 30 Nov 2027 | another £200 |
| 6 months late | 29 Feb 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Aug 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
- SC639567
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 22 August 2019 (7 years ago)
- Registered office
- 15 Bruce Way, Calderwood, EH53 0TZ
- Nature of business
- Other building completion and finishing (SIC 43390)
- Year end
- 31 August (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 August 2025
- Last confirmation statement
- 10 September 2025
Filing notes for building finishing companies
Finishing trade companies cover a wide range of work. Most are micro-entities with simple accounts and a straightforward CT600.
Similar companies
Other active building finishing companies.
Frequently asked questions
When are S Line Construction Ltd's accounts due?
S Line Construction Ltd's next accounts are due at Companies House by 31 May 2027 (in 230 days), covering the period to 31 August 2026.
When is S Line Construction Ltd's CT600 due?
The CT600 for the period to 31 August 2026 is due at HMRC by 31 August 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 June 2027.
Is S Line Construction Ltd still trading?
S Line Construction Ltd is listed as active on the Companies House register (checked 13 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 S Line Construction Ltd do?
S Line Construction Ltd is registered under Other building completion and finishing (SIC 43390).
How old is S Line Construction Ltd?
S Line Construction Ltd was incorporated on 22 August 2019, 7 years ago.
What is the penalty if S Line Construction 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 S Line Construction Ltd on Companies House for filed documents, officers and the full history.
Based on the Companies House register (snapshot 1 Oct 2026, rechecked 13 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.