- Companies
- Civil engineering
- Burnley
- L Smithson Limited
L Smithson Limited
- Company number
- 06431090
- Incorporated
- 19 Nov 200718 years trading
- Registered office
- Windle Barn, Halifax Road Briercliffe, Burnley, Lancs, BB10 3QX
- Nature of business
- Construction of other civil engineering projects n.e.c.
L Smithson Limited is a 18-year-old private limited company registered in Burnley, company number 06431090, one of 26 civil engineering contractors in Burnley. 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 £26K (-14.4%) on the year before, to £153K.
- Net assets rose in 4 of 7 year-on-year comparisons on record.
- Current assets of £156K against £3,419 owed within a year: more than 10 times cover.
- 2 employees on average during the year.
- Balance sheets on record for 9 years, 2014 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Jan 2025 | £153K | £156K | £3,419 | 2 | |
| 31 Jan 2024 | £179K | £182K | £3,267 | 2 | |
| 31 Jan 2021 | £311K | £188K | £338K | £27K | 2 |
| 31 Dec 2019 | £420K | £206K | £361K | £38K | 5 |
| 31 Dec 2018 | £405K | £192K | £426K | £107K | |
| 31 Dec 2017 | £262K | £75K | £217K | £40K | |
| 31 Dec 2016 | £221K | £184K | £42K | ||
| 31 Dec 2015 | £152K | £42K | £116K | £50K | |
| 31 Dec 2014 | £181K | £96K | £184K | £72K |
Where L Smithson Limited is registered
The registered office is in Burnley (BB10), in the Burnley local authority area, North West. Show BB10 3QX on a map.
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What happens if L Smithson 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
- 06431090
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 19 November 2007 (18 years ago)
- Registered office
- Windle Barn, Halifax Road Briercliffe, Burnley, Lancs, BB10 3QX
- Nature of business
- Construction of other civil engineering projects n.e.c. (SIC 42990)
- Year end
- 31 January (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 January 2025
- Last confirmation statement
- 21 February 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 Burnley
Other active civil engineering contractors registered in Burnley.
- MJ Fishwick Civils & Construction Ltd2017
- PCS Civils Ltd2011
- Peter Coleman Limited2010
- RWS Contractors Ltd2005
- Skynet Motor Sports Ltd2014
- Total Care and Support Limited2002
- A.J.H. Contracting Ltd2002
- Colin Braithwaite Excavators Limited2000
All civil engineering contractors in Burnley · All trades in Burnley · Civil engineering across the UK
Frequently asked questions
When are L Smithson Limited's accounts due?
L Smithson Limited's next accounts are due at Companies House by 31 October 2026 (in 18 days), covering the period to 31 January 2026.
When is L Smithson 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 L Smithson Limited still trading?
L Smithson 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 L Smithson Limited do?
L Smithson Limited is registered under Construction of other civil engineering projects n.e.c. (SIC 42990).
How old is L Smithson Limited?
L Smithson Limited was incorporated on 19 November 2007, 18 years ago.
What is the penalty if L Smithson 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 L Smithson 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.