- Companies
- Installers
- Crowborough
- Composite Interiors (South East) Co. Limited
Composite Interiors (South East) Co. Limited
- Company number
- 03953131
- Incorporated
- 21 Mar 200026 years trading
- Registered office
- Composite House, 9 Sybron Way Composite House, 9 Sybron Way, Crowborough, East Sussex, TN6 3DZ
- Nature of business
- Other construction installation
Composite Interiors (South East) Co. Limited is a 26-year-old private limited company registered in Crowborough, company number 03953131, one of 11 installation companies (insulation, lifts, shutters and similar) in Crowborough. 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.
Is this your company?
File the accounts to Companies House and the CT600 to HMRC yourself with A.X.E.L Filing. One set of questions, both filings, £49 flat. No accountant, no subscription.
File for Composite Interiors (South East) Co. LimitedOr get a reminder before each deadline
Free. We email you 60, 30, 14, 7 and 1 days before the accounts, CT600 and confirmation statement are due. Unsubscribe in one click.
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 £43K (-27.1%) on the year before, to £115K.
- Net assets rose in 4 of 9 year-on-year comparisons on record.
- Current assets of £170K against £60K owed within a year: 2.8 times cover.
- 3 employees on average, down from 4 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 | £115K | £170K | £60K | 3 | |
| 31 Mar 2024 | £157K | £287K | £135K | 4 | |
| 31 Mar 2023 | £158K | £202K | £51K | 4 | |
| 31 Mar 2022 | £162K | £215K | £67K | 4 | |
| 31 Mar 2021 | £176K | £319K | £117K | 5 | |
| 31 Mar 2020 | £167K | £85K | £207K | £65K | 5 |
| 31 Mar 2019 | £414K | £312K | £562K | £179K | 5 |
| 31 Mar 2018 | £278K | £73K | £169K | £154K | 0 |
| 31 Mar 2017 | £218K | £81K | £143K | £162K | 5 |
| 31 Mar 2016 | £215K | £38K | £67K | £65K |
Where Composite Interiors (South East) Co. Limited is registered
The registered office is in Crowborough (TN6), in the Wealden local authority area, South East. Show TN6 3DZ on a map.
Other trade companies in TN6
- Mastwood LimitedProperty developers
- Swiftwood LimitedBuilders
- NPC Groundworks LtdCivil engineering
- Twspapropertyservices LtdFinishing trades
- Cross Stone Regeneration (Fulbeck) LimitedProperty developers
- Bluecore Mep LtdBuilders
- Paint Repair Company LtdMechanics and garages
- J.Jordan's Heating LimitedPlumbers and heating engineers
What happens if Composite Interiors (South East) Co. 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
- 03953131
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 21 March 2000 (26 years ago)
- Registered office
- Composite House, 9 Sybron Way Composite House, 9 Sybron Way, Crowborough, East Sussex, TN6 3DZ
- Nature of business
- Other construction installation (SIC 43290)
- Year end
- 31 March (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 March 2025
- Last confirmation statement
- 31 March 2026
- Charges (mortgages)
- 2 outstanding of 2 registered
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 Crowborough
Other active installation companies (insulation, lifts, shutters and similar) registered in Crowborough.
- Hodge Landscapes Limited2006
- Inflatable Aardvark Ltd2025
- Just Right Solar Solutions Limited2010
- Pcfi Ltd2006
- Richards Fencing Ltd2017
- Rigden-Gray Chimney Services Ltd2023
- TS Window Films Ltd2020
- Adp Builders Limited2015
All installation companies (insulation, lifts, shutters and similar) in Crowborough · All trades in Crowborough · Installers across the UK
Frequently asked questions
When are Composite Interiors (South East) Co. Limited's accounts due?
Composite Interiors (South East) Co. Limited's next accounts are due at Companies House by 31 December 2026 (in 79 days), covering the period to 31 March 2026.
When is Composite Interiors (South East) Co. 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 Composite Interiors (South East) Co. Limited still trading?
Composite Interiors (South East) Co. 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 Composite Interiors (South East) Co. Limited do?
Composite Interiors (South East) Co. Limited is registered under Other construction installation (SIC 43290).
How old is Composite Interiors (South East) Co. Limited?
Composite Interiors (South East) Co. Limited was incorporated on 21 March 2000, 26 years ago.
What is the penalty if Composite Interiors (South East) Co. 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 Composite Interiors (South East) Co. 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.