- Companies
- Installers
- London
- DLJ Pump Room Specialist Ltd
DLJ Pump Room Specialist Ltd
- Company number
- 17227678
- Incorporated
- 18 May 2026
- Registered office
- 23 Beaconsfield Road, London, E16 4HS
- Nature of business
- Other construction installation
DLJ Pump Room Specialist Ltd is a newly incorporated private limited company registered in London, company number 17227678, one of 2,278 installation companies (insulation, lifts, shutters and similar) in London. Its next accounts are due at Companies House on 18 February 2028, and its first CT600 is due at HMRC on 17 May 2028.
Key dates
This company has not filed accounts yet. First accounts are due 21 months after incorporation, and the first period can run longer than a year.
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Where DLJ Pump Room Specialist Ltd is registered
The registered office is in London (E16), in the Newham local authority area, London. Show E16 4HS on a map.
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What happens if DLJ Pump Room Specialist 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 18 February 2028.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 19 Feb 2028 to 18 Mar 2028 | £150 |
| 1 to 3 months late | 19 Mar 2028 to 18 May 2028 | £375 |
| 3 to 6 months late | 19 May 2028 to 18 Aug 2028 | £750 |
| More than 6 months late | From 19 Aug 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jun 2028 | £200 |
| 3 months late | 31 Aug 2028 | another £200 |
| 6 months late | 30 Nov 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 May 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
- 17227678
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 18 May 2026
- Registered office
- 23 Beaconsfield Road, London, E16 4HS
- Nature of business
- Other construction installation (SIC 43290)
- Year end
- 31 May (accounting reference date)
- Accounts type
- No accounts filed yet
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.
- DM&Ev Constructions Ltd2023
- Dmacalin Ltd2020
- DMC Walling Limited2008
- DMD Investment Solutions Ltd2025
- Dne Installation Limited2024
- DNT - BG Ltd2010
- Doce Lar Renovation Ltd2023
- Docrat Projects Ltd2026
All installation companies (insulation, lifts, shutters and similar) in London · All trades in London · Installers across the UK
Frequently asked questions
When are DLJ Pump Room Specialist Ltd's accounts due?
DLJ Pump Room Specialist Ltd's next accounts are due at Companies House by 18 February 2028 (in 493 days), covering the period to 31 May 2027.
When is DLJ Pump Room Specialist Ltd's CT600 due?
The first accounts cover more than 12 months, so there are two Company Tax Returns: one for the 12 months to 17 May 2027, due by 17 May 2028, and one for the period to 31 May 2027, due by 31 May 2028. Corporation tax is payable 9 months and 1 day after the end of each.
Is DLJ Pump Room Specialist Ltd still trading?
DLJ Pump Room Specialist 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 DLJ Pump Room Specialist Ltd do?
DLJ Pump Room Specialist Ltd is registered under Other construction installation (SIC 43290).
How old is DLJ Pump Room Specialist Ltd?
DLJ Pump Room Specialist Ltd was incorporated on 18 May 2026, less than a year ago.
What is the penalty if DLJ Pump Room Specialist 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 DLJ Pump Room Specialist 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.