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- Carter Windows Ltd
Company profile · Cleaning companies
Carter Windows Ltd
Carter Windows Ltd is a 5-year-old private limited company registered in Pinner, company number 13421586, one of 30 cleaning companies in Pinner. Its next accounts are due at Companies House on 31 May 2027, and the CT600 for the period to 31 August 2026 is due at HMRC on 31 August 2027.
Key dates
Worked out from the year end and filing history on the Companies House register.
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Financial snapshot, 2025
From the balance sheet at 31 August 2025, as filed at Companies House.
Carter Windows Ltd over the years
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 £11K on the year before, to £11K.
- Net assets rose in 2 of 3 year-on-year comparisons on record.
- 2 employees on average, up from -2 the year before.
- Balance sheets on record for 4 years, 2022 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Aug 2025 | £11K | £49K | 2 | ||
| 31 Aug 2024 | £2 | £3,934 | £4,754 | £7,317 | -2 |
| 31 May 2023 | £14K | £2,007 | £2,761 | £5,787 | -2 |
| 31 May 2022 | £6,300 | £1,711 | £1,278 | -2 |
Where Carter Windows Ltd is registered
The registered office is in Pinner (HA5), in the Harrow local authority area, London. Show HA5 5JU on a map.
Other trade companies in HA5
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- Kite Property Management LtdBuilders
- Olivares and Hayter LtdSpecialist contractors
- Shallons Electrical LtdElectricians
- Executive Maintenance LtdFinishing trades
- Truspan LtdBuilders
- Mak Electrical Services LtdBuilders
- Bori Scaffolding LtdScaffolders
What happens if Carter 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 31 May 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jun 2027 to 30 Jun 2027 | £150 |
| 1 to 3 months late | 1 Jul 2027 to 31 Aug 2027 | £375 |
| 3 to 6 months late | 1 Sep 2027 to 30 Nov 2027 | £750 |
| More than 6 months late | From 1 Dec 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Sep 2027 | £200 |
| 3 months late | 30 Nov 2027 | another £200 |
| 6 months late | 29 Feb 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Aug 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
- 13421586
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 26 May 2021 (5 years ago)
- Registered office
- 81 Whittington Way, Pinner, HA5 5JU
- Nature of business
- Window cleaning services (SIC 81221)
- Year end
- 31 August (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 August 2025
- Last confirmation statement
- 6 May 2026
Filing notes for cleaning companies
Cleaning companies are often staff-heavy, so wages, pension contributions and the employment allowance all show up in the accounts.
Similar companies in Pinner
Other active cleaning companies registered in Pinner.
- Clean Beale Services Ltd2015
- Cleanny Property Services Ltd2023
- Crystal Local Window Cleaning Limited2025
- Dedicatedcleaners Limited2018
- Eliteclean Ltd2022
- Evm Property Services Limited2001
- Jak Specialists Ltd2023
- Keepmegreen Ltd2018
All cleaning companies in Pinner · All trades in Pinner · Cleaning companies across the UK
Frequently asked questions
When are Carter Windows Ltd's accounts due?
Carter Windows Ltd's next accounts are due at Companies House by 31 May 2027 (in 231 days), covering the period to 31 August 2026.
When is Carter Windows Ltd's CT600 due?
The CT600 for the period to 31 August 2026 is due at HMRC by 31 August 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 June 2027.
Is Carter Windows Ltd still trading?
Carter 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 Carter Windows Ltd do?
Carter Windows Ltd is registered under Window cleaning services (SIC 81221).
How old is Carter Windows Ltd?
Carter Windows Ltd was incorporated on 26 May 2021, 5 years ago.
What is the penalty if Carter 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 Carter 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.