- Companies
- Specialist contractors
- Whitstable
- Adderley Technical Consulting Limited
Adderley Technical Consulting Limited
- Company number
- 15102515
- Incorporated
- 29 Aug 20233 years trading
- Registered office
- Unit 123 Harvey Drive, Chestfield, Whitstable, CT5 3QY
- Nature of business
- Other specialised construction activities n.e.c.
Adderley Technical Consulting Limited is a 3-year-old private limited company registered in Whitstable, company number 15102515, one of 32 specialist construction companies in Whitstable. Companies House shows its accounts as overdue: they were due on 31 August 2026.
Key dates
Worked out from the year end and filing history on the Companies House register.
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Where Adderley Technical Consulting Limited is registered
The registered office is in Whitstable (CT5), in the Canterbury local authority area, South East. Show CT5 3QY on a map.
Other trade companies in CT5
- Ba Cars Whitstable LtdMotor traders
- J & S Property Development Kent LtdProperty developers
- Whitstable and Thanet Roofing LimitedRoofers
- Kentfloorsanding LtdFloor and wall tilers
- KMD Safety Solutions LtdSpecialist contractors
- RBS Climate and Build LtdPlumbers and heating engineers
- CRK Commercial LtdRoofers
- Storm General Builders LtdBuilders
Shared registered office
42 companies on our pages use this registered office address. An address shared this widely is usually an accountant's office or a company formation agent's service address, not where the business trades from.
What happens if Adderley Technical Consulting Limited files late
If the accounts reach Companies House today, the late filing penalty is £375 (£750 if last year's accounts were also late). It rises at each step below.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Sep 2026 to 30 Sep 2026 | £150 |
| 1 to 3 months late | 1 Oct 2026 to 30 Nov 2026 | £375 |
| 3 to 6 months late | 1 Dec 2026 to 28 Feb 2027 | £750 |
| More than 6 months late | From 1 Mar 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Dec 2026 | £200 |
| 3 months late | 28 Feb 2027 | another £200 |
| 6 months late | 30 May 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Nov 2027 | 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
- 15102515
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 29 August 2023 (3 years ago)
- Registered office
- Unit 123 Harvey Drive, Chestfield, Whitstable, CT5 3QY
- Nature of business
- Other specialised construction activities n.e.c. (SIC 43999)
- Year end
- 31 August (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 August 2024
- Last confirmation statement
- 28 August 2025
Filing notes for specialist construction companies
Specialist contractors often work under CIS for main contractors. Retentions held back by the customer still count towards turnover once the work is done.
Similar companies in Whitstable
Other active specialist construction companies registered in Whitstable.
- Ar Home Solutions Ltd2026
- Buchan Contracts Limited2024
- Bulldog Ground Screws Ltd2026
- C & A W Engineering Limited2002
- C.A. Construct Limited2026
- C.A. Drillers Ltd2000
- Ca Drillers Holdings Limited2019
- Ca Fire Protection Ltd2020
All specialist construction companies in Whitstable · All trades in Whitstable · Specialist contractors across the UK
Frequently asked questions
When are Adderley Technical Consulting Limited's accounts due?
Adderley Technical Consulting Limited's accounts were due at Companies House on 31 August 2026 and the register shows them as overdue.
When is Adderley Technical Consulting Limited's CT600 due?
The first accounts cover more than 12 months, so there are two Company Tax Returns: one for the 12 months to 31 August 2025, due by 31 August 2026, and one for the period to 30 November 2025, due by 30 November 2026. Corporation tax is payable 9 months and 1 day after the end of each.
Is Adderley Technical Consulting Limited still trading?
Adderley Technical Consulting Limited 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 Adderley Technical Consulting Limited do?
Adderley Technical Consulting Limited is registered under Other specialised construction activities n.e.c. (SIC 43999).
How old is Adderley Technical Consulting Limited?
Adderley Technical Consulting Limited was incorporated on 29 August 2023, 3 years ago.
What is the penalty if Adderley Technical Consulting 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 Adderley Technical Consulting Limited 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.