- Companies
- Installers
- Sutton
- Comberbrown Ltd
Comberbrown Ltd
- Company number
- 13612141
- Incorporated
- 9 Sep 20215 years trading
- Registered office
- 450A London Road, Cheam, Sutton, Surrey, SM3 8JB
- Nature of business
- Other construction installation
Comberbrown Ltd is a 5-year-old private limited company registered in Sutton, company number 13612141, one of 49 installation companies (insulation, lifts, shutters and similar) in Sutton. Its next accounts are due at Companies House on 30 June 2027, and the CT600 for the period to 30 September 2026 is due at HMRC on 30 September 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 £62K (-510.1%) on the year before, to -£50K.
- Net assets rose in 1 of 3 year-on-year comparisons on record.
- Current assets of £7,924 against £60K owed within a year: 0.1 times cover.
- No employees reported for the latest year (directors are often not counted as employees).
- 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 |
|---|---|---|---|---|---|
| 30 Sep 2025 | -£50K | £7,924 | £60K | 0 | |
| 30 Sep 2024 | £12K | £331 | £8,669 | 2 | |
| 30 Sep 2023 | £334 | £1,465 | £5,979 | 2 | |
| 30 Sep 2022 | £49K | £8,017 | £34K | 2 |
Where Comberbrown Ltd is registered
The registered office is in Sutton (SM3), in the Sutton local authority area, London. Show SM3 8JB on a map.
Other trade companies in SM3
- Lutetia Construction LtdBuilders
- Bathroom Edit (Surrey) LtdSpecialist contractors
- Zhupnyk V&S Building LtdSpecialist contractors
- Cleaning National LtdCleaning companies
- Apex MP Construction LtdBuilders
- Ca Property Group LtdProperty developers
- Afonin Services LtdInstallers
- Salopon Services LtdInstallers
Also registered at this address
4 other companies use the same registered office as Comberbrown Ltd.
- Grand Designs Paving (Surrey) LtdFinishing trades
- Lutetia Construction LtdBuilders
- Rupert Oliver Renovations LtdProperty developers
- Sean Walter Scaffolding (Surrey) LtdScaffolders
What happens if Comberbrown 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 30 June 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jul 2027 to 31 Jul 2027 | £150 |
| 1 to 3 months late | 1 Aug 2027 to 30 Sep 2027 | £375 |
| 3 to 6 months late | 1 Oct 2027 to 31 Dec 2027 | £750 |
| More than 6 months late | From 1 Jan 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Oct 2027 | £200 |
| 3 months late | 30 Dec 2027 | another £200 |
| 6 months late | 30 Mar 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Sep 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
- 13612141
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 9 September 2021 (5 years ago)
- Registered office
- 450A London Road, Cheam, Sutton, Surrey, SM3 8JB
- Nature of business
- Other construction installation (SIC 43290)
- Year end
- 30 September (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 30 September 2025
- Last confirmation statement
- 8 September 2025
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 Sutton
Other active installation companies (insulation, lifts, shutters and similar) registered in Sutton.
- Egmont Builders Limited2026
- Elevtech Engineering Ltd2025
- GKN Constructions Ltd2010
- Hang Kee Ltd2022
- J R Morris Construction Ltd2025
- James Mullen Limited2014
- JDKW Solutions Ltd2014
- MD2Go Ltd2026
All installation companies (insulation, lifts, shutters and similar) in Sutton · All trades in Sutton · Installers across the UK
Frequently asked questions
When are Comberbrown Ltd's accounts due?
Comberbrown Ltd's next accounts are due at Companies House by 30 June 2027 (in 261 days), covering the period to 30 September 2026.
When is Comberbrown Ltd's CT600 due?
The CT600 for the period to 30 September 2026 is due at HMRC by 30 September 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 July 2027.
Is Comberbrown Ltd still trading?
Comberbrown Ltd is listed as active on the Companies House register (checked 12 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 Comberbrown Ltd do?
Comberbrown Ltd is registered under Other construction installation (SIC 43290).
How old is Comberbrown Ltd?
Comberbrown Ltd was incorporated on 9 September 2021, 5 years ago.
What is the penalty if Comberbrown 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 Comberbrown Ltd on Companies House for filed documents, officers and the full history.
Based on the Companies House register (snapshot 1 Oct 2026, rechecked 12 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.