Company profile · Plumbers and heating engineers
Zewi Ltd
Zewi Ltd is a 16-year-old private limited company registered in Harrow, company number 07337713, one of 154 plumbing and heating companies in Harrow. Its next accounts are due at Companies House on 31 December 2027, and the CT600 for the period to 31 March 2027 is due at HMRC on 31 March 2028.
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 Zewi LtdOr 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.
Financial snapshot, 2026
From the balance sheet at 31 March 2026, as filed at Companies House.
Zewi Ltd over the years
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 up £84K (+215.3%) on the year before, to £123K.
- Net assets rose in 4 of 9 year-on-year comparisons on record.
- Current assets of £188K against £59K owed within a year: 3.2 times cover.
- 3 employees on average during the year.
- Balance sheets on record for 10 years, 2017 to 2026.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Mar 2026 | £123K | £188K | £59K | 3 | |
| 31 Mar 2025 | £39K | £130K | £89K | 3 | |
| 31 Mar 2024 | £41K | £139K | £97K | 4 | |
| 31 Mar 2023 | £22K | £176K | £152K | 4 | |
| 31 Mar 2022 | £5,984 | £142K | £134K | 3 | |
| 31 Mar 2021 | £30K | £152K | £122K | 3 | |
| 31 Mar 2020 | £6,940 | £111K | £105K | 3 | |
| 31 Mar 2019 | £24K | £136K | £112K | 3 | |
| 31 Mar 2018 | £65K | £162K | £176K | £111K | 3 |
| 31 Mar 2017 | £99K | £168K | £181K | £83K | 2 |
Where Zewi Ltd is registered
The registered office is in Harrow (HA1), in the Harrow local authority area, London. Show HA1 1BQ on a map.
Other trade companies in HA1
- Cabos Electrical LimitedElectricians
- Mia Maria Services LtdCleaning companies
- Ac Operations LtdScaffolders
- Verde Masters LtdLandscapers and gardeners
- Omega Works Group LtdLandscapers and gardeners
- Call 'Em LimitedPlumbers and heating engineers
- Swan Roofing Services LimitedRoofers
- DRV Property Solutions LtdPainters and decorators
Also registered at this address
9 other companies use the same registered office as Zewi Ltd.
- 30 - 36 Vittoria Street Management LimitedProperty developers
- A Developers LimitedSpecialist contractors
- Bournemouth Building and Construction LtdProperty developers
- Floors & Decks UK LtdJoiners and carpenters
- KS Projects London LtdProperty developers
- Salient Fidelity Real Estate LtdProperty developers
- Starway London LimitedBuilders
- Supercars N Coffee LtdMotor traders
- Vesington LtdProperty developers
What happens if Zewi 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 31 December 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jan 2028 to 31 Jan 2028 | £150 |
| 1 to 3 months late | 1 Feb 2028 to 31 Mar 2028 | £375 |
| 3 to 6 months late | 1 Apr 2028 to 30 Jun 2028 | £750 |
| More than 6 months late | From 1 Jul 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Apr 2028 | £200 |
| 3 months late | 30 Jun 2028 | another £200 |
| 6 months late | 30 Sep 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Mar 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
- 07337713
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 5 August 2010 (16 years ago)
- Registered office
- 4TH Floor Metroline House, 118 -122 College Road, Harrow, HA1 1BQ
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
- Year end
- 31 March (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 March 2026
- Last confirmation statement
- 5 August 2025
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 Harrow
Other active plumbing and heating companies registered in Harrow.
- Zoom 247 Limited2017
- 21 Degrees Heating Limited2004
- 24/7 Amber Plumbing & Heating Limited2005
- 24H Abc Plumbing & Drainage Limited2026
- A & D Plumbing & Heating Limited2020
- Aam Heating and Plumbing Ltd2026
- Ach Plumbing and Heating Limited2026
- Advance Heating & Electricals Ltd2011
All plumbing and heating companies in Harrow · All trades in Harrow · Plumbers and heating engineers across the UK
Frequently asked questions
When are Zewi Ltd's accounts due?
Zewi Ltd's next accounts are due at Companies House by 31 December 2027 (in 445 days), covering the period to 31 March 2027.
When is Zewi Ltd's CT600 due?
The CT600 for the period to 31 March 2027 is due at HMRC by 31 March 2028, 12 months after the period end. The corporation tax itself is payable earlier, by 1 January 2028.
Is Zewi Ltd still trading?
Zewi Ltd is listed as active on the Companies House register (checked 12 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 Zewi Ltd do?
Zewi Ltd is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is Zewi Ltd?
Zewi Ltd was incorporated on 5 August 2010, 16 years ago.
What is the penalty if Zewi 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 Zewi Ltd on Companies House for filed documents, officers and the full history.
Based on the Companies House register (snapshot 1 Oct 2026, rechecked 12 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.