- Companies
- Civil engineering
- Southampton
- Graham Installations Ltd
Graham Installations Ltd
- Company number
- 14199838
- Incorporated
- 28 Jun 20224 years trading
- Registered office
- 39 Ashmead Road, Southampton, SO16 5DJ
- Nature of business
- Construction of utility projects for electricity and telecommunications; Other construction installation
Graham Installations Ltd is a 4-year-old private limited company registered in Southampton, company number 14199838, one of 114 civil engineering contractors in Southampton. Its next accounts are due at Companies House on 31 March 2028, and the CT600 for the period to 30 June 2027 is due at HMRC on 30 June 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 £13K (-6.4%) on the year before, to £189K.
- Net assets rose in 2 of 3 year-on-year comparisons on record.
- Current assets of £86K against £78K owed within a year: 1.1 times cover.
- 1 employee on average, up from 0 the year before.
- Balance sheets on record for 4 years, 2023 to 2026.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 30 Jun 2026 | £189K | £86K | £78K | 1 | |
| 30 Jun 2025 | £202K | £70K | £127K | 0 | |
| 30 Jun 2024 | £127K | £44K | £65K | -1 | |
| 30 Jun 2023 | £60K | £62K | -2 |
Where Graham Installations Ltd is registered
The registered office is in Southampton (SO16), in the Southampton local authority area, South East. Show SO16 5DJ on a map.
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What happens if Graham Installations 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 March 2028.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Apr 2028 to 30 Apr 2028 | £150 |
| 1 to 3 months late | 1 May 2028 to 30 Jun 2028 | £375 |
| 3 to 6 months late | 1 Jul 2028 to 30 Sep 2028 | £750 |
| More than 6 months late | From 1 Oct 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jul 2028 | £200 |
| 3 months late | 30 Sep 2028 | another £200 |
| 6 months late | 30 Dec 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Jun 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
- 14199838
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 28 June 2022 (4 years ago)
- Registered office
- 39 Ashmead Road, Southampton, SO16 5DJ
- Nature of business
- Construction of utility projects for electricity and telecommunications (SIC 42220)
Other construction installation (SIC 43290) - Year end
- 30 June (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 30 June 2026
- Last confirmation statement
- 14 June 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.
- Hariharan Constructions Ltd2025
- HB Groundworks Limited2016
- Horton Barns Limited2003
- Hus Corporation Ltd2016
- I&P Construction Ltd2025
- I.M.Currie Formwork Ltd2015
- Iga Signalling Limited2011
- Imperial Traffic Management Ltd2021
All civil engineering contractors in Southampton · All trades in Southampton · Civil engineering across the UK
Frequently asked questions
When are Graham Installations Ltd's accounts due?
Graham Installations Ltd's next accounts are due at Companies House by 31 March 2028 (in 536 days), covering the period to 30 June 2027.
When is Graham Installations Ltd's CT600 due?
The CT600 for the period to 30 June 2027 is due at HMRC by 30 June 2028, 12 months after the period end. The corporation tax itself is payable earlier, by 1 April 2028.
Is Graham Installations Ltd still trading?
Graham Installations 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 Graham Installations Ltd do?
Graham Installations Ltd is registered under Construction of utility projects for electricity and telecommunications (SIC 42220); Other construction installation (SIC 43290).
How old is Graham Installations Ltd?
Graham Installations Ltd was incorporated on 28 June 2022, 4 years ago.
What is the penalty if Graham Installations 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 Graham Installations 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.