- Companies
- Installers
- Polegate
- Sureline Windows Limited
Sureline Windows Limited
- Company number
- 13895109
- Incorporated
- 4 Feb 20224 years trading
- Registered office
- 24 Southfield, Polegate, BN26 5LX
- Nature of business
- Other construction installation; Joinery installation
Sureline Windows Limited is a 4-year-old private limited company registered in Polegate, company number 13895109, one of 10 installation companies (insulation, lifts, shutters and similar) in Polegate. Its next accounts are due at Companies House on 30 November 2026, and the CT600 for the period to 28 February 2026 is due at HMRC on 28 February 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 £3,357 (-31.8%) on the year before, to £7,189.
- Current assets of £21K against £18K owed within a year: 1.1 times cover.
- 3 employees on average during the year.
- Balance sheets on record for 3 years, 2023 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 28 Feb 2025 | £7,189 | £7,203 | £21K | £18K | 3 |
| 29 Feb 2024 | £11K | £16K | £22K | £18K | 3 |
| 28 Feb 2023 | £6,963 | £14K | £34K | £33K | 3 |
Where Sureline Windows Limited is registered
The registered office is in Polegate (BN26), in the Wealden local authority area, South East. Show BN26 5LX 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
Also registered at this address
3 other companies use the same registered office as Sureline Windows Limited.
- Dibble Brothers LimitedLandscapers and gardeners
- Future Management & Construction (FMC) LimitedProperty developers
- Trade Frame Warehouse LimitedPainters and decorators
What happens if Sureline 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 30 November 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Dec 2026 to 31 Dec 2026 | £150 |
| 1 to 3 months late | 1 Jan 2027 to 28 Feb 2027 | £375 |
| 3 to 6 months late | 1 Mar 2027 to 31 May 2027 | £750 |
| More than 6 months late | From 1 Jun 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Mar 2027 | £200 |
| 3 months late | 28 May 2027 | another £200 |
| 6 months late | 28 Aug 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 28 Feb 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
- 13895109
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 4 February 2022 (4 years ago)
- Registered office
- 24 Southfield, Polegate, BN26 5LX
- Nature of business
- Other construction installation (SIC 43290)
Joinery installation (SIC 43320) - Year end
- 28 February (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 28 February 2025
- Last confirmation statement
- 3 February 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 Polegate
Other active installation companies (insulation, lifts, shutters and similar) registered in Polegate.
- Total Steelwork Limited2025
- Drewek.Com Ltd2009
- Gibbons Windows South East Limited2020
- Hawk Builders and Shopfitters Limited2005
- Heatcatcher Ltd2009
- Kingsrock Construction Ltd2021
- McFhp Heating and Plumbing Ltd2026
- Prim & Proper Home Services Limited2023
All installation companies (insulation, lifts, shutters and similar) in Polegate · All trades in Polegate · Installers across the UK
Frequently asked questions
When are Sureline Windows Limited's accounts due?
Sureline Windows Limited's next accounts are due at Companies House by 30 November 2026 (in 48 days), covering the period to 28 February 2026.
When is Sureline Windows Limited's CT600 due?
The CT600 for the period to 28 February 2026 is due at HMRC by 28 February 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 December 2026.
Is Sureline Windows Limited still trading?
Sureline 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 Sureline Windows Limited do?
Sureline Windows Limited is registered under Other construction installation (SIC 43290); Joinery installation (SIC 43320).
How old is Sureline Windows Limited?
Sureline Windows Limited was incorporated on 4 February 2022, 4 years ago.
What is the penalty if Sureline 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 Sureline 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.