- Companies
- Finishing trades
- Felixstowe
- Coastside Windows Limited
Coastside Windows Limited
- Company number
- 08400883
- Incorporated
- 13 Feb 201313 years trading
- Registered office
- 12 Wentworth Drive, Felixstowe, IP11 9LD
- Nature of business
- Other building completion and finishing
Coastside Windows Limited is a 13-year-old private limited company registered in Felixstowe, company number 08400883, one of 8 building finishing companies in Felixstowe. 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 down £979 (-22.8%) on the year before, to £3,322.
- Net assets rose in 5 of 9 year-on-year comparisons on record.
- Current assets of £60K against £47K owed within a year: 1.3 times cover.
- 1 employee on average during the year.
- Balance sheets on record for 10 years, 2016 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Mar 2025 | £3,322 | £60K | £47K | 1 | |
| 31 Mar 2024 | £4,301 | £60K | £56K | 1 | |
| 31 Mar 2023 | £162 | £55K | £52K | 1 | |
| 31 Mar 2022 | £432 | £0 | £60K | £56K | 1 |
| 31 Mar 2021 | -£1,488 | £66K | £52K | 1 | |
| 31 Mar 2020 | £5,374 | £0 | £42K | £37K | 1 |
| 31 Mar 2019 | £4,651 | £880 | £36K | £31K | |
| 31 Mar 2018 | £4,334 | £8,383 | £18K | £14K | 2 |
| 31 Mar 2017 | £2,022 | £3,881 | £17K | £16K | 2 |
| 31 Mar 2016 | £2,527 | £825 | £9,219 | £7,205 |
Who runs and owns Coastside Windows Limited
From the Companies House register. Individuals are shown by initials only; the full register is on Companies House.
Officer
| Name | Role | Appointed |
|---|---|---|
| N*** W*** | Director | Feb 2013 |
2 former officers
| Name | Role | Appointed | Left |
|---|---|---|---|
| E*** S*** | Director | Feb 2013 | Feb 2013 |
| M*** W*** | Director | Feb 2013 | Feb 2025 |
People with significant control (2)
Where Coastside Windows Limited is registered
The registered office is in Felixstowe (IP11), in the East Suffolk local authority area, East of England. Show IP11 9LD on a map.
Other trade companies in IP11
- CW JV Motors LtdMotor traders
- Danmarevm LtdSpecialist contractors
- Cooks Workshop LtdMachinery repair and installation
- Refcool Solutions LtdMachinery repair and installation
- Felixstowe Clutch Centre LtdMechanics and garages
- Felixstowe MOT Centre LimitedMechanics and garages
- Felixstowe Tyre & Alignment Centre LtdMechanics and garages
- Felixstowe Tyres LimitedMechanics and garages
What happens if Coastside 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
- 08400883
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 13 February 2013 (13 years ago)
- Registered office
- 12 Wentworth Drive, Felixstowe, IP11 9LD
- 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
- 13 February 2026
- Previous names
- N J Woodley Limited (until 16 Jan 2017)
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 Felixstowe
Other active building finishing companies registered in Felixstowe.
- Kingsfleet Property Limited2024
- Last Hire & Renovations Ltd2019
- Mabbott Group Construction & Renovations Ltd2026
- Munro Property Renovation Services Limited2009
- Premier Loft Ladders Limited2003
- A.P. Laflin Builders Limited2003
- Alston Homes Ltd2006
All building finishing companies in Felixstowe · All trades in Felixstowe · Finishing trades across the UK
Frequently asked questions
When are Coastside Windows Limited's accounts due?
Coastside Windows Limited's next accounts are due at Companies House by 31 December 2026 (in 79 days), covering the period to 31 March 2026.
When is Coastside 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 Coastside Windows Limited still trading?
Coastside 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 Coastside Windows Limited do?
Coastside Windows Limited is registered under Other building completion and finishing (SIC 43390).
How old is Coastside Windows Limited?
Coastside Windows Limited was incorporated on 13 February 2013, 13 years ago.
Who runs Coastside Windows Limited?
Coastside Windows Limited has 1 active director, the longest-serving appointed in Feb 2013. Their names and service addresses are on the Companies House register.
Who owns Coastside Windows Limited?
2 people or companies have significant control of Coastside Windows Limited: an individual (owns 75% or more of the shares); an individual (owns 75% or more of the shares).
What is the penalty if Coastside 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 Coastside 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.