- Companies
- Civil engineering
- Southampton
- SLH Contractors Ltd
SLH Contractors Ltd
- Company number
- 06089824
- Incorporated
- 7 Feb 200719 years trading
- Registered office
- 84 Lodge Road, Southampton, SO14 6RG
- Nature of business
- Construction of other civil engineering projects n.e.c.
SLH Contractors Ltd is a 19-year-old private limited company registered in Southampton, company number 06089824, one of 114 civil engineering contractors in Southampton. Its next accounts are due at Companies House on 31 December 2026, and the CT600 for the period to 31 March 2026 is due at HMRC on 31 March 2027.
Key dates
Worked out from the year end and filing history on the Companies House register.
Is this your company?
File the accounts to Companies House and the CT600 to HMRC yourself with A.X.E.L Filing. One set of questions, both filings, £49 flat. No accountant, no subscription.
File for SLH Contractors LtdOr get a reminder before each deadline
Free. We email you 60, 30, 14, 7 and 1 days before the accounts, CT600 and confirmation statement are due. Unsubscribe in one click.
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 £2,289 (-5.4%) on the year before, to £40K.
- Net assets rose in 4 of 9 year-on-year comparisons on record.
- Current assets of £72K against £31K owed within a year: 2.3 times cover.
- 1 employee on average during the year.
- 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 Mar 2025 | £40K | £72K | £31K | 1 | |
| 31 Mar 2024 | £42K | £128K | £80K | 1 | |
| 31 Mar 2023 | -£1,612 | £62K | 2 | ||
| 31 Mar 2022 | -£9,065 | £65K | 2 | ||
| 31 Mar 2021 | -£15K | £69K | 2 | ||
| 31 Mar 2020 | -£2,417 | £87K | 2 | ||
| 31 Mar 2019 | -£1,099 | £97K | |||
| 31 Mar 2018 | -£355 | £104K | |||
| 31 Mar 2017 | -£41K | £71K | £123K | ||
| 31 Mar 2016 | -£11K | £20K | £94K |
Where SLH Contractors Ltd is registered
The registered office is in Southampton (SO14), in the Southampton local authority area, South East. Show SO14 6RG on a map.
Other trade companies in SO14
- Cat Garage LtdMechanics and garages
- Sonix LtdBuilders
- Vanie & Dick LtdBuilders
- 33 Motors LtdMotor traders
- Pure Light Cleaning LtdCleaning companies
- Cccjr Trading LimitedMotor traders
- Otess LtdFloor and wall tilers
- Bevertex LimitedElectricians
Shared registered office
26 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 SLH Contractors 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 December 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jan 2027 to 31 Jan 2027 | £150 |
| 1 to 3 months late | 1 Feb 2027 to 31 Mar 2027 | £375 |
| 3 to 6 months late | 1 Apr 2027 to 30 Jun 2027 | £750 |
| More than 6 months late | From 1 Jul 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Apr 2027 | £200 |
| 3 months late | 30 Jun 2027 | another £200 |
| 6 months late | 30 Sep 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Mar 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
- 06089824
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 7 February 2007 (19 years ago)
- Registered office
- 84 Lodge Road, Southampton, SO14 6RG
- Nature of business
- Construction of other civil engineering projects n.e.c. (SIC 42990)
- Year end
- 31 March (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 March 2025
- Last confirmation statement
- 7 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 Southampton
Other active civil engineering contractors registered in Southampton.
- SLS Construction (Southern) Ltd2008
- Solent Contracting Limited2015
- Solent Streetworks Consultants Limited2017
- Sonridge Building Group Ltd2026
- Southampton Pier Limited2011
- Strandhill Property Development Limited2006
- Strandhill, Civil Engineering Limited1994
- Temporary Solutions Traffic Management Ltd2021
All civil engineering contractors in Southampton · All trades in Southampton · Civil engineering across the UK
Frequently asked questions
When are SLH Contractors Ltd's accounts due?
SLH Contractors Ltd's next accounts are due at Companies House by 31 December 2026 (in 79 days), covering the period to 31 March 2026.
When is SLH Contractors Ltd's CT600 due?
The CT600 for the period to 31 March 2026 is due at HMRC by 31 March 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 January 2027.
Is SLH Contractors Ltd still trading?
SLH Contractors 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 SLH Contractors Ltd do?
SLH Contractors Ltd is registered under Construction of other civil engineering projects n.e.c. (SIC 42990).
How old is SLH Contractors Ltd?
SLH Contractors Ltd was incorporated on 7 February 2007, 19 years ago.
What is the penalty if SLH Contractors 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 SLH Contractors 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.