- Companies
- Plumbers and heating engineers
- London
- Drainsmart Limited
Drainsmart Limited
- Company number
- 05095132
- Incorporated
- 5 Apr 200422 years trading
- Registered office
- C/O Rpgcc, 40 Gracechurch Street, London, EC3V 0BT
- Nature of business
- Plumbing, heat and air-conditioning installation
Drainsmart Limited is a 22-year-old private limited company registered in London, company number 05095132, one of 2,972 plumbing and heating companies in London. Its next accounts are due at Companies House on 31 December 2026, and the CT600 for the period to 31 March 2026 is due at HMRC on 31 March 2027.
Key dates
Worked out from the year end and filing history on the Companies House register.
Is this your company?
File the accounts to Companies House and the CT600 to HMRC yourself with A.X.E.L Filing. One set of questions, both filings, £49 flat. No accountant, no subscription.
File for Drainsmart LimitedOr get a reminder before each deadline
Free. We email you 60, 30, 14, 7 and 1 days before the accounts, CT600 and confirmation statement are due. Unsubscribe in one click.
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 £182K (-95.7%) on the year before, to £8,253.
- Net assets rose in 2 of 3 year-on-year comparisons on record.
- Current assets of £138K against £402K owed within a year: 0.3 times cover.
- 18 employees on average during the year.
- Balance sheets on record for 4 years, 2014 to 2017.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Mar 2017 | £8,253 | £63 | £138K | £402K | 18 |
| 31 Mar 2016 | £190K | £2,876 | £132K | £304K | |
| 31 Mar 2015 | £171K | £81K | £267K | £246K | |
| 31 Mar 2014 | £47K | £38K | £279K | £284K |
Public contracts won
Drainsmart Limited has one public sector contract award on record; the ones with their own published value total £47K (2022). Source: Contracts Finder and Find a Tender award notices. These were matched by the company's exact name because the notice gave no company number.
| Buyer | Contract | Value | Awarded |
|---|---|---|---|
| London Borough of Merton | Pelham Primary School below ground drainage repairs | £47K | 23 Jun 2022 |
Where Drainsmart Limited is registered
The registered office is in London (EC3V), in the City of London local authority area, London. Show EC3V 0BT on a map.
Other trade companies in EC3V
- Rekondition LtdRepair services
- Revora Cleaning & Hygiene Solutions LtdCleaning companies
- Kingston Leeds LimitedProperty developers
- Riverside Cleaning Group LtdCleaning companies
- Milman Services LtdInstallers
- F and F Electrical Services LtdElectricians
- Lilyame LimitedProperty developers
- Truewatt LtdElectricians
Also registered at this address
17 other companies use the same registered office as Drainsmart Limited.
- Coveva LimitedCleaning companies
- Danjagia LimitedProperty developers
- Foirfe Flooring UK LimitedInstallers
- Freehold Property LimitedProperty developers
- Gpoweruk LimitedCivil engineering
- Habitat 360 LimitedProperty developers
- JS Carpentry (Berkshire) LimitedProperty developers
- Lake Street Development LimitedProperty developers
- Matthews Rea Interiors LtdProperty developers
- Menco Holdings LtdProperty developers
- Mra Renovations LtdProperty developers
- Pkai Capital LimitedProperty developers
- Protech Design and Build LtdJoiners and carpenters
- Rolls Property Maintenance LimitedFacilities management
- T & L Construction (London) LimitedProperty developers
- Tony McFadden Design & Building Services LimitedProperty developers
- W11 Developments LtdProperty developers
What happens if Drainsmart 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 December 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jan 2027 to 31 Jan 2027 | £150 |
| 1 to 3 months late | 1 Feb 2027 to 31 Mar 2027 | £375 |
| 3 to 6 months late | 1 Apr 2027 to 30 Jun 2027 | £750 |
| More than 6 months late | From 1 Jul 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Apr 2027 | £200 |
| 3 months late | 30 Jun 2027 | another £200 |
| 6 months late | 30 Sep 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Mar 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
- 05095132
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 5 April 2004 (22 years ago)
- Registered office
- C/O Rpgcc, 40 Gracechurch Street, London, EC3V 0BT
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
- Year end
- 31 March (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 March 2025
- Last confirmation statement
- 5 April 2026
- Charges (mortgages)
- 3 outstanding of 4 registered
Filing notes for plumbing and heating companies
Plumbing and heating companies frequently work under CIS for main contractors and also directly for homeowners, so turnover can mix CIS and non-CIS income.
Similar companies in London
Other active plumbing and heating companies registered in London.
- Drey Services Ltd2020
- Drulux Bathrooms Ltd2025
- DS Gas London Limited2013
- DSB Heating Services Limited2011
- DSD Plumbing Ltd2018
- DSS Plumbing Ltd2020
- Duaa Technical Services UK Limited2023
- Duct Install UK Limited2017
All plumbing and heating companies in London · All trades in London · Plumbers and heating engineers across the UK
Frequently asked questions
When are Drainsmart Limited's accounts due?
Drainsmart Limited's next accounts are due at Companies House by 31 December 2026 (in 79 days), covering the period to 31 March 2026.
When is Drainsmart Limited's CT600 due?
The CT600 for the period to 31 March 2026 is due at HMRC by 31 March 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 January 2027.
Is Drainsmart Limited still trading?
Drainsmart 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 Drainsmart Limited do?
Drainsmart Limited is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is Drainsmart Limited?
Drainsmart Limited was incorporated on 5 April 2004, 22 years ago.
Has Drainsmart Limited won public sector contracts?
Yes. Drainsmart Limited has one contract award from public bodies on Contracts Finder and Find a Tender (those with their own published value total £47K), most recently from London Borough of Merton.
What is the penalty if Drainsmart 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 Drainsmart 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.