- Companies
- Installers
- Norwich
- Traditional Rainwater Systems Ltd
Traditional Rainwater Systems Ltd
- Company number
- 11631872
- Incorporated
- 19 Oct 20187 years trading
- Registered office
- 17D Back Lane, Wymondham, Norwich, NR18 0QB
- Nature of business
- Other construction installation
Traditional Rainwater Systems Ltd is a 7-year-old private limited company registered in Norwich, company number 11631872, one of 114 installation companies (insulation, lifts, shutters and similar) in Norwich. Its next accounts are due at Companies House on 31 July 2027, and the CT600 for the period to 31 October 2026 is due at HMRC on 31 October 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 £9,138 (+22.9%) on the year before, to -£31K.
- Net assets rose in 4 of 6 year-on-year comparisons on record.
- Current assets of £75K against £16K owed within a year: 4.8 times cover.
- 2 employees on average during the year.
- Balance sheets on record for 7 years, 2019 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Oct 2025 | -£31K | £75K | £16K | 2 | |
| 31 Oct 2024 | -£40K | £37K | £3,119 | 2 | |
| 31 Oct 2023 | £13K | £33K | £33K | £6,085 | 1 |
| 31 Oct 2022 | £74 | £13K | £14K | £3,444 | 1 |
| 31 Oct 2021 | -£1,975 | £9,016 | £9,280 | £11K | 1 |
| 31 Oct 2020 | £100 | £100 | 1 | ||
| 31 Oct 2019 | -£100 | £100 | 0 |
Where Traditional Rainwater Systems Ltd is registered
The registered office is in Norwich (NR18), in the South Norfolk local authority area, East of England. Show NR18 0QB on a map.
Other trade companies in NR18
- MW Autocare Group LtdMechanics and garages
- Ecp Motorworks LtdMechanics and garages
- Chris Saunders Electrical LtdElectricians
- Wright Noyes LtdMechanics and garages
- As Maintenance LtdRoofers
- Drench Designs LtdPlumbers and heating engineers
- Tenergy LtdElectricians
- A. E. Smith Plumbing & Heating LtdPlumbers and heating engineers
Also registered at this address
17 other companies use the same registered office as Traditional Rainwater Systems Ltd.
- A Elfleet LimitedPainters and decorators
- Andy Durrant Builders LtdBuilders
- Big Sky Construction LtdFinishing trades
- CD Services (Norfolk) LtdInstallers
- Dunnybuild LtdProperty developers
- Flowline Plastics LtdInstallers
- Indie Ventures LtdLandscapers and gardeners
- Industrial Domestic Boiler Services LtdPlumbers and heating engineers
- Insphigher LtdSpecialist contractors
- KC Electrical Contracting LtdElectricians
- Macrow Heating LtdInstallers
- Mals Cars Wymondham LimitedMotor traders
- Norwich Conservatory Roofs LtdRoofers
- RLG Scaffolding LtdScaffolders
- Sentinal Industries LtdBuilders
- Turn the Tides Ea LtdCleaning companies
- Wensum Building LimitedBuilders
What happens if Traditional Rainwater Systems 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 July 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Aug 2027 to 31 Aug 2027 | £150 |
| 1 to 3 months late | 1 Sep 2027 to 31 Oct 2027 | £375 |
| 3 to 6 months late | 1 Nov 2027 to 31 Jan 2028 | £750 |
| More than 6 months late | From 1 Feb 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Nov 2027 | £200 |
| 3 months late | 31 Jan 2028 | another £200 |
| 6 months late | 30 Apr 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Oct 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
- 11631872
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 19 October 2018 (7 years ago)
- Registered office
- 17D Back Lane, Wymondham, Norwich, NR18 0QB
- Nature of business
- Other construction installation (SIC 43290)
- Year end
- 31 October (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 October 2025
- Last confirmation statement
- 8 September 2026
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 Norwich
Other active installation companies (insulation, lifts, shutters and similar) registered in Norwich.
- Tsi Steel Services Ltd2025
- TWF Roller Garage Door Installations Ltd2020
- Virgo Civils and Construction Ltd2025
- Vulcan Interior and Fire Solutions Ltd2023
- Wald Collective Ltd2024
- Walker Design and Installation Limited2010
- Warren & Burrow Ltd2022
- Windows Plus (UK) Limited2003
All installation companies (insulation, lifts, shutters and similar) in Norwich · All trades in Norwich · Installers across the UK
Frequently asked questions
When are Traditional Rainwater Systems Ltd's accounts due?
Traditional Rainwater Systems Ltd's next accounts are due at Companies House by 31 July 2027 (in 291 days), covering the period to 31 October 2026.
When is Traditional Rainwater Systems Ltd's CT600 due?
The CT600 for the period to 31 October 2026 is due at HMRC by 31 October 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 August 2027.
Is Traditional Rainwater Systems Ltd still trading?
Traditional Rainwater Systems 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 Traditional Rainwater Systems Ltd do?
Traditional Rainwater Systems Ltd is registered under Other construction installation (SIC 43290).
How old is Traditional Rainwater Systems Ltd?
Traditional Rainwater Systems Ltd was incorporated on 19 October 2018, 7 years ago.
What is the penalty if Traditional Rainwater Systems 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 Traditional Rainwater Systems 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.