- Companies
- Installers
- Seaford
- Adept Sussex Limited
Adept Sussex Limited
- Company number
- 13039053
- Incorporated
- 24 Nov 20205 years trading
- Registered office
- 25 Clinton Place, Seaford, BN25 1NP
- Nature of business
- Other construction installation
Adept Sussex Limited is a 5-year-old private limited company registered in Seaford, company number 13039053, one of 6 installation companies (insulation, lifts, shutters and similar) in Seaford. Its next accounts are due at Companies House on 30 September 2027, and the CT600 for the period to 31 December 2026 is due at HMRC on 31 December 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 £47K (-11.9%) on the year before, to £346K.
- Net assets rose in 3 of 4 year-on-year comparisons on record.
- Current assets of £641K against £389K owed within a year: 1.6 times cover.
- 27 employees on average, up from 21 the year before.
- Balance sheets on record for 5 years, 2021 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Dec 2025 | £346K | £641K | £389K | 27 | |
| 31 Dec 2024 | £392K | £513K | £269K | 21 | |
| 31 Dec 2023 | £279K | £350K | £200K | 15 | |
| 31 Dec 2022 | £163K | £213K | £122K | 9 | |
| 31 Dec 2021 | £31K | £106K | £75K | 0 |
Where Adept Sussex Limited is registered
The registered office is in Seaford (BN25), in the Lewes local authority area, South East. Show BN25 1NP on a map.
Other trade companies in BN25
- Sussex Exterior Cleaning Specialists LtdCleaning companies
- Misato Auto LtdMechanics and garages
- Tom Hall Electrical LtdElectricians
- Cherrypicker Roofing & Access Hire Southern LtdRoofers
- Torque&Gloss LtdCleaning companies
- Curl Carpentry LtdProperty developers
- Paul Gasson Building LimitedProperty developers
- Auto & Valeting Centre LtdMechanics and garages
Also registered at this address
21 other companies use the same registered office as Adept Sussex Limited.
- 24 Hour Electrical LtdElectricians
- 555 Cleaning LimitedCleaning companies
- Akoya Investments LtdProperty developers
- Grime Army LimitedCleaning companies
- J H General Building LimitedSpecialist contractors
- Kent Classic Spares LimitedMotor traders
- Marcos Heritage LimitedMechanics and garages
- Mendall Auto Services LimitedMechanics and garages
- MTM Building Contractors LtdFinishing trades
- Paul Gasson Building LimitedProperty developers
- Rutherford Electrical Services LimitedElectricians
- Sanders Electrical Contractors LtdElectricians
- Seaford Electrical LimitedElectricians
- Si Homes LtdProperty developers
- Simply Spotless LimitedCleaning companies
- Steve Hodges Leadwork LtdRoofers
- Sussex Exterior Cleaning Specialists LtdCleaning companies
- Sussex Heat Pumps LimitedPlumbers and heating engineers
- Swift Brothers LimitedBuilders
- Sycamore Renovations Brighton LtdProperty developers
- Wish Hill Gardening LtdLandscapers and gardeners
What happens if Adept Sussex 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 30 September 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Oct 2027 to 31 Oct 2027 | £150 |
| 1 to 3 months late | 1 Nov 2027 to 31 Dec 2027 | £375 |
| 3 to 6 months late | 1 Jan 2028 to 31 Mar 2028 | £750 |
| More than 6 months late | From 1 Apr 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jan 2028 | £200 |
| 3 months late | 31 Mar 2028 | another £200 |
| 6 months late | 30 Jun 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Dec 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
- 13039053
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 24 November 2020 (5 years ago)
- Registered office
- 25 Clinton Place, Seaford, BN25 1NP
- Nature of business
- Other construction installation (SIC 43290)
- Year end
- 31 December (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 December 2025
- Last confirmation statement
- 23 November 2025
- Previous names
- Adept Adaptations Ltd (until 15 Sep 2022)
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 Seaford
Other active installation companies (insulation, lifts, shutters and similar) registered in Seaford.
- Sa Properties (London) Ltd2022
- Sportorium Ltd2024
- Teo Consultancy Ltd2025
- WP Offshore Ltd2022
- Wynnes & Seaford Fencing Limited2023
All installation companies (insulation, lifts, shutters and similar) in Seaford · All trades in Seaford · Installers across the UK
Frequently asked questions
When are Adept Sussex Limited's accounts due?
Adept Sussex Limited's next accounts are due at Companies House by 30 September 2027 (in 352 days), covering the period to 31 December 2026.
When is Adept Sussex Limited's CT600 due?
The CT600 for the period to 31 December 2026 is due at HMRC by 31 December 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 October 2027.
Is Adept Sussex Limited still trading?
Adept Sussex 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 Adept Sussex Limited do?
Adept Sussex Limited is registered under Other construction installation (SIC 43290).
How old is Adept Sussex Limited?
Adept Sussex Limited was incorporated on 24 November 2020, 5 years ago.
What is the penalty if Adept Sussex 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 Adept Sussex 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.