- Companies
- Installers
- London
- R&D Construction Solutions Limited
R&D Construction Solutions Limited
- Company number
- 11334888
- Incorporated
- 28 Apr 20188 years trading
- Registered office
- 126 Dover House Road, London, SW15 5AS
- Nature of business
- Other construction installation; Engineering related scientific and technical consulting activities
R&D Construction Solutions Limited is a 8-year-old private limited company registered in London, company number 11334888, one of 2,278 installation companies (insulation, lifts, shutters and similar) in London. Its next accounts are due at Companies House on 31 January 2028, and the CT600 for the period to 30 April 2027 is due at HMRC on 30 April 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 £1,956 (-29.5%) on the year before, to £4,683.
- Net assets rose in 2 of 7 year-on-year comparisons on record.
- Current assets of £8,370 against £5,541 owed within a year: 1.5 times cover.
- 1 employee on average during the year.
- Balance sheets on record for 8 years, 2019 to 2026.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 30 Apr 2026 | £4,683 | £8,370 | £5,541 | 1 | |
| 30 Apr 2025 | £6,639 | £7,591 | £3,892 | 1 | |
| 30 Apr 2024 | £16K | £31K | £19K | 1 | |
| 30 Apr 2023 | £18K | £50K | £36K | 1 | |
| 30 Apr 2022 | £1,613 | £20K | £22K | 1 | |
| 30 Apr 2021 | £15K | £37K | £26K | 1 | |
| 30 Apr 2020 | £9,812 | £27K | £18K | 1 | |
| 30 Apr 2019 | £13K | £44K | £32K |
Where R&D Construction Solutions Limited is registered
The registered office is in London (SW15), in the Wandsworth local authority area, London. Show SW15 5AS on a map.
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What happens if R&D Construction Solutions 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 January 2028.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Feb 2028 to 29 Feb 2028 | £150 |
| 1 to 3 months late | 1 Mar 2028 to 30 Apr 2028 | £375 |
| 3 to 6 months late | 1 May 2028 to 31 Jul 2028 | £750 |
| More than 6 months late | From 1 Aug 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 May 2028 | £200 |
| 3 months late | 30 Jul 2028 | another £200 |
| 6 months late | 30 Oct 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Apr 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
- 11334888
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 28 April 2018 (8 years ago)
- Registered office
- 126 Dover House Road, London, SW15 5AS
- Nature of business
- Other construction installation (SIC 43290)
Engineering related scientific and technical consulting activities (SIC 71122) - Year end
- 30 April (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 30 April 2026
- Last confirmation statement
- 3 February 2026
Filing notes for installation companies (insulation, lifts, shutters and similar)
Installation companies (insulation, lifts, shutters, solar and similar) often buy stock and equipment up front, so stock at the year end and capital allowances both affect the tax bill.
Similar companies in London
Other active installation companies (insulation, lifts, shutters and similar) registered in London.
- R&D Quickcall Ltd2025
- R&P Building Ltd2020
- R.M.W Windows Ltd2016
- Ra Riggers Ltd2019
- Ragnarok Limited2021
- Railcom Connect Ltd2020
- Railway Safety Solutions Limited2024
- Rainbow Property Serviced Accommodation Limited2020
All installation companies (insulation, lifts, shutters and similar) in London · All trades in London · Installers across the UK
Frequently asked questions
When are R&D Construction Solutions Limited's accounts due?
R&D Construction Solutions Limited's next accounts are due at Companies House by 31 January 2028 (in 475 days), covering the period to 30 April 2027.
When is R&D Construction Solutions Limited's CT600 due?
The CT600 for the period to 30 April 2027 is due at HMRC by 30 April 2028, 12 months after the period end. The corporation tax itself is payable earlier, by 1 February 2028.
Is R&D Construction Solutions Limited still trading?
R&D Construction Solutions 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 R&D Construction Solutions Limited do?
R&D Construction Solutions Limited is registered under Other construction installation (SIC 43290); Engineering related scientific and technical consulting activities (SIC 71122).
How old is R&D Construction Solutions Limited?
R&D Construction Solutions Limited was incorporated on 28 April 2018, 8 years ago.
What is the penalty if R&D Construction Solutions 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 R&D Construction Solutions 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.