- Company number
- 03213720
- Incorporated
- 18 Jun 199630 years trading
- Registered office
- Unit A6 Chaucer Business Park, Dittons Road, Polegate, East Sussex, BN26 6QH
- Nature of business
- Glazing; Other specialised construction activities n.e.c.
Coldshield Window Systems Limited is a 30-year-old private limited company registered in Polegate, company number 03213720, one of the UK's glazing companies. Its next accounts are due at Companies House on 31 March 2028, and the CT600 for the period to 30 June 2027 is due at HMRC on 30 June 2028.
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 £84K (+18.8%) on the year before, to £531K.
- Net assets rose in 7 of 9 year-on-year comparisons on record.
- Current assets of £623K against £139K owed within a year: 4.5 times cover.
- 3 employees on average during the year.
- Balance sheets on record for 10 years, 2017 to 2026.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 30 Jun 2026 | £531K | £572K | £623K | £139K | 3 |
| 30 Jun 2025 | £447K | £484K | £541K | £152K | 3 |
| 30 Jun 2024 | £378K | £415K | £518K | £190K | 4 |
| 30 Jun 2023 | £305K | £199K | £260K | £191K | 4 |
| 30 Jun 2022 | £235K | £172K | £273K | £254K | 5 |
| 30 Jun 2021 | £195K | £208K | £214K | £227K | 5 |
| 30 Jun 2020 | £171K | £111K | £128K | £139K | 5 |
| 30 Jun 2019 | £154K | £156K | £167K | £157K | 5 |
| 30 Jun 2018 | £187K | £138K | £153K | £107K | 5 |
| 30 Jun 2017 | £204K | £226K | £238K | £172K | 5 |
Where Coldshield Window Systems Limited is registered
The registered office is in Polegate (BN26), in the Wealden local authority area, South East. Show BN26 6QH on a map.
Other trade companies in BN26
- Blackford Builders & Renovations LtdSpecialist contractors
- Polegate Motor Services LtdMechanics and garages
- William Fleet LtdCivil engineering
- SL Roofing & Home Improvements LimitedRoofers
- Karma Property Development LtdFinishing trades
- Duo Clean Services LtdCleaning companies
- Sussex Tarmac LtdCivil engineering
- South Coast Control Systems LtdElectricians
Shared registered office
121 companies on our pages use this registered office address. An address shared this widely is usually an accountant's office or a company formation agent's service address, not where the business trades from.
What happens if Coldshield Window Systems 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 March 2028.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Apr 2028 to 30 Apr 2028 | £150 |
| 1 to 3 months late | 1 May 2028 to 30 Jun 2028 | £375 |
| 3 to 6 months late | 1 Jul 2028 to 30 Sep 2028 | £750 |
| More than 6 months late | From 1 Oct 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jul 2028 | £200 |
| 3 months late | 30 Sep 2028 | another £200 |
| 6 months late | 30 Dec 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Jun 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
- 03213720
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 18 June 1996 (30 years ago)
- Registered office
- Unit A6 Chaucer Business Park, Dittons Road, Polegate, East Sussex, BN26 6QH
- Nature of business
- Glazing (SIC 43342)
Other specialised construction activities n.e.c. (SIC 43999) - Year end
- 30 June (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 30 June 2026
- Last confirmation statement
- 2 June 2026
Filing notes for glazing companies
Glazing companies often take deposits before work starts. Deposits held at the year end are a liability, not income, until the job is done.
Similar companies in Polegate
Other active glazing companies registered in Polegate.
All glazing companies in Polegate · All trades in Polegate · Glaziers across the UK
Frequently asked questions
When are Coldshield Window Systems Limited's accounts due?
Coldshield Window Systems Limited's next accounts are due at Companies House by 31 March 2028 (in 535 days), covering the period to 30 June 2027.
When is Coldshield Window Systems Limited's CT600 due?
The CT600 for the period to 30 June 2027 is due at HMRC by 30 June 2028, 12 months after the period end. The corporation tax itself is payable earlier, by 1 April 2028.
Is Coldshield Window Systems Limited still trading?
Coldshield Window Systems 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 Coldshield Window Systems Limited do?
Coldshield Window Systems Limited is registered under Glazing (SIC 43342); Other specialised construction activities n.e.c. (SIC 43999).
How old is Coldshield Window Systems Limited?
Coldshield Window Systems Limited was incorporated on 18 June 1996, 30 years ago.
What is the penalty if Coldshield Window Systems 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 Coldshield Window Systems 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.