- Companies
- Finishing trades
- Lowestoft
- Zenith Windows Limited
Zenith Windows Limited
- Company number
- 13266658
- Incorporated
- 15 Mar 20215 years trading
- Registered office
- 3 Sanctuary Close, Kessingland, Lowestoft, NR33 7SX
- Nature of business
- Other building completion and finishing
Zenith Windows Limited is a 5-year-old private limited company registered in Lowestoft, company number 13266658, one of 39 building finishing companies in Lowestoft. 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.
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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 up £11K (+116.9%) on the year before, to £21K.
- Net assets rose in 2 of 3 year-on-year comparisons on record.
- Current assets of £56K against £35K owed within a year: 1.6 times cover.
- 1 employee on average during the year.
- Balance sheets on record for 4 years, 2022 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Mar 2025 | £21K | £56K | £35K | 1 | |
| 31 Mar 2024 | £9,662 | £67K | £58K | 1 | |
| 31 Mar 2023 | £736 | £14K | £13K | 1 | |
| 31 Mar 2022 | £796 | £5,263 | £4,467 | 1 |
Where Zenith Windows Limited is registered
The registered office is in Lowestoft (NR33), in the East Suffolk local authority area, East of England. Show NR33 7SX on a map.
Other trade companies in NR33
- SH24 Properties LimitedProperty developers
- Hasa24 Properties LimitedProperty developers
- R Willis Building Services LtdBuilders
- East Anglia Campers LtdMotor traders
- JB Brickwork Ea LtdBuilders
- TCM Consultants LtdBuilders
- Blackbelt Diagnostics LtdMechanics and garages
- Stellan Group LtdBuilders
Also registered at this address
22 other companies use the same registered office as Zenith Windows Limited.
- A1 Property Preservation (E.A.) LimitedFinishing trades
- A2Z Dampproofing LtdFinishing trades
- A2Zdampcontrol LimitedSpecialist contractors
- Damp(UK) LtdSpecialist contractors
- Grosvenor Grass and Flooring LimitedLandscapers and gardeners
- Home Energy Consultants LimitedFinishing trades
- Homechoice Improvements LtdGlaziers
- Homechoice Installations LimitedSpecialist contractors
- Joe McBride Plumbing & Heating LimitedPlumbers and heating engineers
- Mend A Main South LimitedMachinery repair and installation
- National Renewable Electrical Services LimitedPlumbers and heating engineers
- NH Paving & Civil Engineering LimitedCivil engineering
- Niki D Plumbing & Heating LimitedPlumbers and heating engineers
- Pearce Tiling LimitedFloor and wall tilers
- R K J Plumbing & Heating LimitedPlumbers and heating engineers
- S B Watson Services LimitedPlumbers and heating engineers
- Sam Doy Carpentry and Construction LimitedJoiners and carpenters
- SN Groundcare LimitedLandscapers and gardeners
- Toby Yeaman Electrical LimitedElectricians
- Zenith Buildings LimitedSpecialist contractors
- Zenith Renewables LimitedSpecialist contractors
- Zenith Trade Windows LimitedGlaziers
What happens if Zenith Windows 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
- 13266658
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 15 March 2021 (5 years ago)
- Registered office
- 3 Sanctuary Close, Kessingland, Lowestoft, NR33 7SX
- Nature of business
- Other building completion and finishing (SIC 43390)
- Year end
- 31 March (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 March 2025
- Last confirmation statement
- 3 September 2026
- Previous names
- Apex Home Improvements (Essex) Limited (until 5 Oct 2022)
Filing notes for building finishing companies
Finishing trade companies cover a wide range of work. Most are micro-entities with simple accounts and a straightforward CT600.
Similar companies in Lowestoft
Other active building finishing companies registered in Lowestoft.
- A1 Property Preservation (E.A.) Limited1998
- A2Z Dampproofing Ltd2020
- Anglian Installations Limited2018
- Aspect Home & Garden Limited2021
- Bagshaw Builders Limited2003
- Bane Building Services Ltd2020
- Bec (East Anglia) Limited2018
- CJS Builders East Anglia Ltd2025
All building finishing companies in Lowestoft · All trades in Lowestoft · Finishing trades across the UK
Frequently asked questions
When are Zenith Windows Limited's accounts due?
Zenith Windows Limited's next accounts are due at Companies House by 31 December 2026 (in 80 days), covering the period to 31 March 2026.
When is Zenith Windows 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 Zenith Windows Limited still trading?
Zenith Windows 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 Zenith Windows Limited do?
Zenith Windows Limited is registered under Other building completion and finishing (SIC 43390).
How old is Zenith Windows Limited?
Zenith Windows Limited was incorporated on 15 March 2021, 5 years ago.
What is the penalty if Zenith Windows 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 Zenith Windows 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.