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- Riverside Windows Ltd
Company profile · Specialist contractors
Riverside Windows Ltd
Riverside Windows Ltd is a 1-year-old private limited company registered in Sunbury-on-Thames, company number 16409893, one of 18 specialist construction companies in Sunbury-on-Thames. Its next accounts are due at Companies House on 25 January 2027, and its first CT600 is due at HMRC on 24 April 2027.
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 Riverside Windows Ltd is registered
The registered office is in Sunbury-on-Thames (TW16), in the Spelthorne local authority area, South East. Show TW16 5LX on a map.
Other trade companies in TW16
- Top Lodge LtdProperty developers
- Sajaha Properties LimitedProperty developers
- Cineco Holdings LimitedSpecialist contractors
- Keyturn Clean LtdCleaning companies
- VM Conservatory Transformation LtdBuilders
- Nova Property Solutions LtdPainters and decorators
- Lee’S Home Improvements LtdBuilders
- Rapid Home Srvices LtdFinishing trades
Also registered at this address
11 other companies use the same registered office as Riverside Windows Ltd.
- Barrass Electrical Services LtdElectricians
- Caterply LimitedFinishing trades
- Electrical Cable Installation LimitedElectricians
- Gas Fix 2.0 LtdPlumbers and heating engineers
- JC'S Quality Consulting LtdPlumbers and heating engineers
- MK3 Services LtdFinishing trades
- Onyx Electrical Installations LtdElectricians
- SJC Plumbing & Heating LimitedPlumbers and heating engineers
- Sparks Eletrical LimitedElectricians
- Spence Heating LimitedPlumbers and heating engineers
- TR Building Contractors LtdFinishing trades
What happens if Riverside Windows 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 25 January 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 26 Jan 2027 to 25 Feb 2027 | £150 |
| 1 to 3 months late | 26 Feb 2027 to 25 Apr 2027 | £375 |
| 3 to 6 months late | 26 Apr 2027 to 25 Jul 2027 | £750 |
| More than 6 months late | From 26 Jul 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 May 2027 | £200 |
| 3 months late | 30 Jul 2027 | another £200 |
| 6 months late | 30 Oct 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Apr 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
- 16409893
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 25 April 2025 (1 year ago)
- Registered office
- 25 Claremont Avenue, Sunbury-on-Thames, TW16 5LX
- Nature of business
- Other specialised construction activities n.e.c. (SIC 43999)
- Year end
- 30 April (accounting reference date)
- Accounts type
- No accounts filed yet
- Last confirmation statement
- 24 April 2026
Filing notes for specialist construction companies
Specialist contractors often work under CIS for main contractors. Retentions held back by the customer still count towards turnover once the work is done.
Similar companies in Sunbury-on-Thames
Other active specialist construction companies registered in Sunbury-on-Thames.
- S D H Services Limited1997
- Steven Butson Estimating (Sbe) Limited2012
- Syla Damproofing Ltd2026
- A.R.M Tiling Ltd2024
- All the Resources (London) Limited2021
- Argoprojects Ltd2023
- Cineco Holdings Limited2026
- Cineco Ltd2008
All specialist construction companies in Sunbury-on-Thames · All trades in Sunbury-on-Thames · Specialist contractors across the UK
Frequently asked questions
When are Riverside Windows Ltd's accounts due?
Riverside Windows Ltd's next accounts are due at Companies House by 25 January 2027 (in 105 days), covering the period to 30 April 2026.
When is Riverside Windows 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 24 April 2026, due by 24 April 2027, and one for the period to 30 April 2026, due by 30 April 2027. Corporation tax is payable 9 months and 1 day after the end of each.
Is Riverside Windows Ltd still trading?
Riverside Windows 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 Riverside Windows Ltd do?
Riverside Windows Ltd is registered under Other specialised construction activities n.e.c. (SIC 43999).
How old is Riverside Windows Ltd?
Riverside Windows Ltd was incorporated on 25 April 2025, 1 year ago.
What is the penalty if Riverside Windows 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 Riverside Windows 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.