- Company number
- 11278532
- Incorporated
- 27 Mar 20188 years trading
- Registered office
- 16 Hennals Avenue, Redditch, B97 5RX
- Nature of business
- Glazing
Blackwell Windows & Doors Ltd is a 8-year-old private limited company registered in Redditch, company number 11278532, one of 12 glazing companies in Redditch. 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 up £3,818 (+22.2%) on the year before, to £21K.
- Net assets rose in 3 of 6 year-on-year comparisons on record.
- Current assets of £52K against £51K owed within a year: 1.0 times cover.
- 2 employees on average during the year.
- Balance sheets on record for 7 years, 2019 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Mar 2025 | £21K | £32K | £52K | £51K | 2 |
| 31 Mar 2024 | £17K | £37K | £62K | £69K | 2 |
| 31 Mar 2023 | £45K | £28K | £14K | 2 | |
| 31 Mar 2022 | £49K | £33K | £74K | £27K | 1 |
| 31 Mar 2021 | £7,471 | £20K | £11K | 1 | |
| 31 Mar 2020 | £9,783 | £15K | £5,911 | 1 | |
| 31 Mar 2019 | £2,782 | £8,381 | £5,599 |
Where Blackwell Windows & Doors Ltd is registered
The registered office is in Redditch (B97), in the Redditch local authority area, West Midlands. Show B97 5RX on a map.
Other trade companies in B97
- PJT Assets LtdPainters and decorators
- Mulvale Motors LtdMechanics and garages
- Proudley Gardens LimitedLandscapers and gardeners
- Prestige Valet Redditch LtdMechanics and garages
- Cerrone Construction LtdBuilders
- Reddi Auto Service LtdMechanics and garages
- Secontor Group LtdMotor traders
- ST Precast Flooring LtdInstallers
Shared registered office
28 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 Blackwell Windows & Doors 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 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
- 11278532
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 27 March 2018 (8 years ago)
- Registered office
- 16 Hennals Avenue, Redditch, B97 5RX
- Nature of business
- Glazing (SIC 43342)
- Year end
- 31 March (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 March 2025
- Last confirmation statement
- 26 March 2026
- Previous names
- Haynes Windows & Doors Ltd (until 27 Jun 2019)
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 Redditch
Other active glazing companies registered in Redditch.
- Forde Hall Supplies Limited2015
- Fox Glazing Solutions Limited2022
- Heart Home Improvements Limited2020
- Immac Limited2007
- J C Glazing & Repairs Limited2012
- Simply Doors and Windows Ltd2020
- Solar Sentry Window Films Limited2019
- Warm Tech Windows Ltd2016
All glazing companies in Redditch · All trades in Redditch · Glaziers across the UK
Frequently asked questions
When are Blackwell Windows & Doors Ltd's accounts due?
Blackwell Windows & Doors Ltd's next accounts are due at Companies House by 31 December 2026 (in 79 days), covering the period to 31 March 2026.
When is Blackwell Windows & Doors Ltd'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 Blackwell Windows & Doors Ltd still trading?
Blackwell Windows & Doors 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 Blackwell Windows & Doors Ltd do?
Blackwell Windows & Doors Ltd is registered under Glazing (SIC 43342).
How old is Blackwell Windows & Doors Ltd?
Blackwell Windows & Doors Ltd was incorporated on 27 March 2018, 8 years ago.
What is the penalty if Blackwell Windows & Doors 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 Blackwell Windows & Doors 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.