- Companies
- Cleaning companies
- London
- Chalcot House Services Limited
Chalcot House Services Limited
- Company number
- 02363581
- Incorporated
- 21 Mar 198937 years trading
- Registered office
- 17 Hanover Square, London, W1S 1BN
- Nature of business
- Other cleaning services; Other service activities n.e.c.
Chalcot House Services Limited is a 37-year-old private limited company registered in London, company number 02363581, one of 5,627 cleaning companies in London. 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 £13K (+460.8%) on the year before, to £16K.
- Net assets rose in 6 of 9 year-on-year comparisons on record.
- Current assets of £118K against £100K owed within a year: 1.2 times cover.
- 27 employees on average, up from 25 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 |
|---|---|---|---|---|---|
| 31 Mar 2025 | £16K | £7 | £118K | £100K | 27 |
| 31 Mar 2024 | £2,791 | £8 | £105K | £90K | 25 |
| 31 Mar 2023 | -£23K | £7 | £93K | £95K | 29 |
| 31 Mar 2022 | £8,254 | £59K | £146K | £106K | 34 |
| 31 Mar 2021 | -£52K | £81 | £104K | £118K | 29 |
| 31 Mar 2020 | -£53K | £0 | £123K | £99K | 30 |
| 31 Mar 2019 | -£79K | £6 | £145K | £125K | 34 |
| 31 Mar 2018 | -£51K | £7 | £117K | £160K | 34 |
| 31 Mar 2017 | -£74K | £128 | £82K | £129K | 36 |
| 31 Mar 2016 | -£72K | £903 | £84K | £114K |
Where Chalcot House Services Limited is registered
The registered office is in London (W1S), in the Westminster local authority area, London. Show W1S 1BN on a map.
Other trade companies in W1S
- Alderborne LimitedSpecialist contractors
- Gtstore LtdMotor traders
- Imperial Roofcraft LtdRoofers
- Service Robots Group LtdFacilities management
- Bluerock Infrastructure LtdBuilders
- Kaivaro Projects LtdBuilders
- Solar Property 45 LtdProperty developers
- Crown Crest Roofing and Building Solutions LtdRoofers
Also registered at this address
11 other companies use the same registered office as Chalcot House Services Limited.
- Acim Coleford LtdProperty developers
- Acim Holdings LtdProperty developers
- Acim International LtdProperty developers
- Acim M12025 LtdProperty developers
- Crown Crest Roofing and Building Solutions LtdRoofers
- Ignas LtdPainters and decorators
- London Construction Corporation LtdBuilders
- Nasibb Facility Services LtdFacilities management
- Ovoms LtdInstallers
- Reinstatement Cost Assessment LtdProperty developers
- Sleek Direct London LimitedProperty developers
What happens if Chalcot House Services 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 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
- 02363581
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 21 March 1989 (37 years ago)
- Registered office
- 17 Hanover Square, London, W1S 1BN
- Nature of business
- Other cleaning services (SIC 81299)
Other service activities n.e.c. (SIC 96090) - Year end
- 31 March (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 March 2025
- Last confirmation statement
- 21 March 2026
- Charges (mortgages)
- 2 outstanding of 2 registered
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 London
Other active cleaning companies registered in London.
- Chalkhill Cleaning Services Limited2026
- Chalkland Solutions Ltd2025
- Chandani Cleaning Services Ltd2026
- Chaque DÉTail Limited2026
- Charlie Valentin Ltd2026
- Charlie Valeting Ltd2021
- Chase Spotless Spaces Ltd2024
- Cheap Deep Clean Ltd2018
All cleaning companies in London · All trades in London · Cleaning companies across the UK
Frequently asked questions
When are Chalcot House Services Limited's accounts due?
Chalcot House Services Limited's next accounts are due at Companies House by 31 December 2026 (in 80 days), covering the period to 31 March 2026.
When is Chalcot House Services Limited'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 Chalcot House Services Limited still trading?
Chalcot House Services 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 Chalcot House Services Limited do?
Chalcot House Services Limited is registered under Other cleaning services (SIC 81299); Other service activities n.e.c. (SIC 96090).
How old is Chalcot House Services Limited?
Chalcot House Services Limited was incorporated on 21 March 1989, 37 years ago.
What is the penalty if Chalcot House Services 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 Chalcot House Services 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.