- Companies
- Civil engineering
- Romsey
- Retroplan Ltd
Retroplan Ltd
- Company number
- 02714956
- Incorporated
- 15 May 199234 years trading
- Registered office
- 71 the Hundred, Romsey, Hampshire, SO51 8BZ
- Nature of business
- Construction of other civil engineering projects n.e.c.
Retroplan Ltd is a 34-year-old private limited company registered in Romsey, company number 02714956, one of 12 civil engineering contractors in Romsey. Its next accounts are due at Companies House on 1 May 2027, and the CT600 for the period to 1 August 2026 is due at HMRC on 1 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 £24 (-0.7%) on the year before, to £3,270.
- Net assets rose in 2 of 9 year-on-year comparisons on record.
- 2 employees 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 |
|---|---|---|---|---|---|
| 1 Aug 2025 | £3,270 | £5,934 | 2 | ||
| 1 Aug 2024 | £3,294 | £0 | £7,534 | 2 | |
| 1 Aug 2023 | £10K | £530 | £2,965 | 2 | |
| 1 Aug 2022 | £11K | £48 | £3,902 | 2 | |
| 1 Aug 2021 | £17K | £1,724 | £2,616 | 2 | |
| 1 Aug 2020 | £18K | £3,434 | £5,952 | 2 | |
| 1 Aug 2019 | £20K | £0 | £4,382 | ||
| 1 Aug 2018 | £21K | £6,446 | £4,599 | ||
| 1 Aug 2017 | £13K | £1,069 | £8,927 | ||
| 1 Aug 2016 | £8,057 | £0 | £16K |
Where Retroplan Ltd is registered
The registered office is in Romsey (SO51), in the Test Valley local authority area, South East. Show SO51 8BZ on a map.
Other trade companies in SO51
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- SB Maintenance LimitedFacilities management
- Oscar Landscaping and Building LimitedBuilders
- Haime Construction LimitedProperty developers
- Black Lake Operations LtdRoofers
Shared registered office
34 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 Retroplan 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 1 May 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 2 May 2027 to 1 Jun 2027 | £150 |
| 1 to 3 months late | 2 Jun 2027 to 1 Aug 2027 | £375 |
| 3 to 6 months late | 2 Aug 2027 to 1 Nov 2027 | £750 |
| More than 6 months late | From 2 Nov 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 2 Aug 2027 | £200 |
| 3 months late | 1 Nov 2027 | another £200 |
| 6 months late | 1 Feb 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 1 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
- 02714956
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 15 May 1992 (34 years ago)
- Registered office
- 71 the Hundred, Romsey, Hampshire, SO51 8BZ
- Nature of business
- Construction of other civil engineering projects n.e.c. (SIC 42990)
- Year end
- 1 August (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 1 August 2025
- Last confirmation statement
- 15 May 2026
- Previous names
- Gainstreet Limited (until 17 Jun 2008)
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 Romsey
Other active civil engineering contractors registered in Romsey.
- Wyatt Luxury Homes Limited1996
- Blue Steel Power Limited2016
- Connect Construction Services Ltd2005
- Eis Services Group Limited2005
- Groundshield Limited2002
- Kojak Constructions Limited2022
- McNamara Contractors Limited1972
- Mitchease Limited2026
All civil engineering contractors in Romsey · All trades in Romsey · Civil engineering across the UK
Frequently asked questions
When are Retroplan Ltd's accounts due?
Retroplan Ltd's next accounts are due at Companies House by 1 May 2027 (in 201 days), covering the period to 1 August 2026.
When is Retroplan Ltd's CT600 due?
The CT600 for the period to 1 August 2026 is due at HMRC by 1 August 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 2 May 2027.
Is Retroplan Ltd still trading?
Retroplan 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 Retroplan Ltd do?
Retroplan Ltd is registered under Construction of other civil engineering projects n.e.c. (SIC 42990).
How old is Retroplan Ltd?
Retroplan Ltd was incorporated on 15 May 1992, 34 years ago.
What is the penalty if Retroplan 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 Retroplan 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.