- Companies
- Finishing trades
- Gateshead
- Weatherproof Windows Ltd
Weatherproof Windows Ltd
- Company number
- 05836421
- Incorporated
- 5 Jun 200620 years trading
- Registered office
- c/o Flannagans Accountants, 7 Bankside, The Watermark, Gateshead, NE11 9SY
- Nature of business
- Other building completion and finishing
Weatherproof Windows Ltd is a 20-year-old private limited company registered in Gateshead, company number 05836421, one of 59 building finishing companies in Gateshead. Its next accounts are due at Companies House on 27 February 2027, and the CT600 for the period to 27 May 2026 is due at HMRC on 27 May 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 up £13K (+126.9%) on the year before, to £23K.
- Net assets rose in 3 of 9 year-on-year comparisons on record.
- Current assets of £129K against £105K owed within a year: 1.2 times cover.
- 3 employees on average, up from 2 the year before.
- 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 |
|---|---|---|---|---|---|
| 27 May 2025 | £23K | £129K | £105K | 3 | |
| 27 May 2024 | £9,938 | £175K | £154K | 2 | |
| 27 May 2023 | £16K | £122K | £84K | 7 | |
| 27 May 2022 | £19K | £178K | £130K | 12 | |
| 31 May 2021 | £1,939 | £233K | £190K | 11 | |
| 31 May 2020 | £24K | £157K | £89K | 10 | |
| 31 May 2019 | £71K | £203K | £141K | 0 | |
| 31 May 2018 | £72K | £197K | £132K | ||
| 31 May 2017 | £34K | £31K | £183K | £143K | 10 |
| 31 May 2016 | £39K | £32K | £176K | £140K |
Where Weatherproof Windows Ltd is registered
The registered office is in Gateshead (NE11), in the Gateshead local authority area, North East. Show NE11 9SY on a map.
Other trade companies in NE11
- KB Pointing LtdSpecialist contractors
- MCM Property Solutions LtdBuilders
- Memco Engineering Group LtdCivil engineering
- McHale Landscaping & Building LtdInstallers
- Longstone Lettings LtdProperty developers
- Illyrian Build LtdBuilders
- Dunnington One LimitedElectricians
- Advanced Roofing & Home Improvements LtdRoofers
Shared registered office
30 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 Weatherproof 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 27 February 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 28 Feb 2027 to 27 Mar 2027 | £150 |
| 1 to 3 months late | 28 Mar 2027 to 27 May 2027 | £375 |
| 3 to 6 months late | 28 May 2027 to 27 Aug 2027 | £750 |
| More than 6 months late | From 28 Aug 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 28 May 2027 | £200 |
| 3 months late | 27 Aug 2027 | another £200 |
| 6 months late | 27 Nov 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 27 May 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
- 05836421
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 5 June 2006 (20 years ago)
- Registered office
- c/o Flannagans Accountants, 7 Bankside, The Watermark, Gateshead, NE11 9SY
- Nature of business
- Other building completion and finishing (SIC 43390)
- Year end
- 27 May (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 27 May 2025
- Last confirmation statement
- 17 May 2026
- Charges (mortgages)
- 1 outstanding of 1 registered
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 Gateshead
Other active building finishing companies registered in Gateshead.
- Whites Paving & Brickwork's Ltd2026
- Willmore Construction Ltd2020
- Woodside Property Services (Ne) Limited2011
- Abr Alterations, Building & Roofing Ltd2006
- Apollonia Construction Limited2021
- Aston Construction (Ne) Ltd2019
- Aston Developments Ne Ltd2025
- Astrofade Limited1983
All building finishing companies in Gateshead · All trades in Gateshead · Finishing trades across the UK
Frequently asked questions
When are Weatherproof Windows Ltd's accounts due?
Weatherproof Windows Ltd's next accounts are due at Companies House by 27 February 2027 (in 138 days), covering the period to 27 May 2026.
When is Weatherproof Windows Ltd's CT600 due?
The CT600 for the period to 27 May 2026 is due at HMRC by 27 May 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 28 February 2027.
Is Weatherproof Windows Ltd still trading?
Weatherproof 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 Weatherproof Windows Ltd do?
Weatherproof Windows Ltd is registered under Other building completion and finishing (SIC 43390).
How old is Weatherproof Windows Ltd?
Weatherproof Windows Ltd was incorporated on 5 June 2006, 20 years ago.
What is the penalty if Weatherproof 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 Weatherproof 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.