- Company number
- 15051797
- Incorporated
- 6 Aug 20233 years trading
- Registered office
- 83 Caledonian Road, London, N1 9BT
- Nature of business
- Construction of domestic buildings
Research and Dev Limited is a 3-year-old private limited company registered in London, company number 15051797, one of 12,075 building contractors in London. Its next accounts are due at Companies House on 31 May 2028, and the CT600 for the period to 31 August 2027 is due at HMRC on 31 August 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 £795 (-6.5%) on the year before, to £11K.
- 2 employees on average during the year.
- Balance sheets on record for 3 years, 2024 to 2026.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Aug 2026 | £11K | 2 | |||
| 31 Aug 2025 | £12K | 2 | |||
| 31 Aug 2024 | £11K | £1,620 | 2 |
Where Research and Dev Limited is registered
The registered office is in London (N1), in the Islington local authority area, London. Show N1 9BT on a map.
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- Kenneth Brady LtdElectricians
- UK Import Export LtdBuilders
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What happens if Research and Dev 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 May 2028.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jun 2028 to 30 Jun 2028 | £150 |
| 1 to 3 months late | 1 Jul 2028 to 31 Aug 2028 | £375 |
| 3 to 6 months late | 1 Sep 2028 to 30 Nov 2028 | £750 |
| More than 6 months late | From 1 Dec 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Sep 2028 | £200 |
| 3 months late | 30 Nov 2028 | another £200 |
| 6 months late | 28 Feb 2029 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Aug 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
- 15051797
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 6 August 2023 (3 years ago)
- Registered office
- 83 Caledonian Road, London, N1 9BT
- Nature of business
- Construction of domestic buildings (SIC 41202)
- Year end
- 31 August (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 August 2026
- Last confirmation statement
- 10 August 2026
Filing notes for building contractors
Building companies often run the Construction Industry Scheme as a contractor, a subcontractor or both. CIS deductions suffered during the year are set against the PAYE bill, and any unrecovered balance at the year end matters when the accounts are drawn up.
Similar companies in London
Other active building contractors registered in London.
- Reselet Ltd2023
- Residential Renovations Group Ltd2018
- Resmor Ltd2026
- Resourcefulbuildltd Ltd2016
- Respond Construction Ltd2020
- Restorafloor Ltd2025
- Restoration Fabrication Construction Ltd.1997
- Retail Support Service Ltd2020
All building contractors in London · All trades in London · Builders across the UK
Frequently asked questions
When are Research and Dev Limited's accounts due?
Research and Dev Limited's next accounts are due at Companies House by 31 May 2028 (in 597 days), covering the period to 31 August 2027.
When is Research and Dev Limited's CT600 due?
The CT600 for the period to 31 August 2027 is due at HMRC by 31 August 2028, 12 months after the period end. The corporation tax itself is payable earlier, by 1 June 2028.
Is Research and Dev Limited still trading?
Research and Dev 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 Research and Dev Limited do?
Research and Dev Limited is registered under Construction of domestic buildings (SIC 41202).
How old is Research and Dev Limited?
Research and Dev Limited was incorporated on 6 August 2023, 3 years ago.
What is the penalty if Research and Dev 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 Research and Dev 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.