- Companies
- Installers
- Sidcup
- Whiting Windows Ltd
Whiting Windows Ltd
- Company number
- 17205233
- Incorporated
- 7 May 2026
- Registered office
- 21 Ferby Court, Main Road, Sidcup, DA14 6NL
- Nature of business
- Other construction installation
Whiting Windows Ltd is a newly incorporated private limited company registered in Sidcup, company number 17205233, one of 34 installation companies (insulation, lifts, shutters and similar) in Sidcup. Its next accounts are due at Companies House on 7 February 2028, and its first CT600 is due at HMRC on 6 May 2028.
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.
Is this your company?
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Where Whiting Windows Ltd is registered
The registered office is in Sidcup (DA14), in the Bexley local authority area, London. Show DA14 6NL on a map.
Other trade companies in DA14
- Evlor LtdElectricians
- Pfe Services LimitedElectricians
- CJM Property Services LimitedFinishing trades
- Top Local Trader LtdBuilders
- Bassett Electrical Group LimitedElectricians
- Flatline Flooring LtdFloor and wall tilers
- LDT Service's LimitedScaffolders
- Old Maidstone Road Hand Car Wash LtdMechanics and garages
What happens if Whiting 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 7 February 2028.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 8 Feb 2028 to 7 Mar 2028 | £150 |
| 1 to 3 months late | 8 Mar 2028 to 7 May 2028 | £375 |
| 3 to 6 months late | 8 May 2028 to 7 Aug 2028 | £750 |
| More than 6 months late | From 8 Aug 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jun 2028 | £200 |
| 3 months late | 31 Aug 2028 | another £200 |
| 6 months late | 30 Nov 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 May 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
- 17205233
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 7 May 2026
- Registered office
- 21 Ferby Court, Main Road, Sidcup, DA14 6NL
- Nature of business
- Other construction installation (SIC 43290)
- Year end
- 31 May (accounting reference date)
- Accounts type
- No accounts filed yet
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 Sidcup
Other active installation companies (insulation, lifts, shutters and similar) registered in Sidcup.
- Willbrooke Construction Services Limited2019
- Woodpecker Commercial Ventures (UK) Limited2021
- Acousticspace Ltd2026
- Anderson Roofing Services Limited2008
- Axx Interiors Ltd2018
- Balneo Build Ltd2024
- BMG Build Commercial Ltd2022
- BMG Build Ltd2020
All installation companies (insulation, lifts, shutters and similar) in Sidcup · All trades in Sidcup · Installers across the UK
Frequently asked questions
When are Whiting Windows Ltd's accounts due?
Whiting Windows Ltd's next accounts are due at Companies House by 7 February 2028 (in 482 days), covering the period to 31 May 2027.
When is Whiting 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 6 May 2027, due by 6 May 2028, and one for the period to 31 May 2027, due by 31 May 2028. Corporation tax is payable 9 months and 1 day after the end of each.
Is Whiting Windows Ltd still trading?
Whiting 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 Whiting Windows Ltd do?
Whiting Windows Ltd is registered under Other construction installation (SIC 43290).
How old is Whiting Windows Ltd?
Whiting Windows Ltd was incorporated on 7 May 2026, less than a year ago.
What is the penalty if Whiting 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 Whiting 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.