- Companies
- Specialist contractors
- Southport
- In-Depth Building Consultants Ltd
In-Depth Building Consultants Ltd
- Company number
- 16229738
- Incorporated
- 4 Feb 20251 year trading
- Registered office
- 209 Liverpool Road, Birkdale, Southport, Merseyside, PR8 4PH
- Nature of business
- Other specialised construction activities n.e.c.; Engineering related scientific and technical consulting activities; Other engineering activities
In-Depth Building Consultants Ltd is a 1-year-old private limited company registered in Southport, company number 16229738, one of 57 specialist construction companies in Southport. Its next accounts are due at Companies House on 4 November 2026, and its first CT600 is due at HMRC on 3 February 2027.
Key dates
This company has not filed accounts yet. First accounts are due 21 months after incorporation, and the first period can run longer than a year.
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Where In-Depth Building Consultants Ltd is registered
The registered office is in Southport (PR8), in the Sefton local authority area, North West. Show PR8 4PH on a map.
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Also registered at this address
14 other companies use the same registered office as In-Depth Building Consultants Ltd.
- A&N Carpet and Upholstery Cleaning LtdCleaning companies
- A.F.S Liverpool Civils LimitedCivil engineering
- Amos Traffic Markings LtdCivil engineering
- Birch Contracting Services LimitedProperty developers
- Clarke's Heating & Plumbing (North West) LimitedPlumbers and heating engineers
- Crown Plumbing LimitedPlumbers and heating engineers
- Dreams Landscapes LimitedLandscapers and gardeners
- Ecs Southport LimitedElectricians
- Electrical Renewable Solutions LtdElectricians
- Fisher & Clarke Property Development LtdProperty developers
- Heritage Feeds LimitedProperty developers
- S. R. M. Panels LimitedMechanics and garages
- Stanley House Properties LimitedProperty developers
- TR Joinery (NW) LimitedInstallers
What happens if In-Depth Building Consultants 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 4 November 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 5 Nov 2026 to 4 Dec 2026 | £150 |
| 1 to 3 months late | 5 Dec 2026 to 4 Feb 2027 | £375 |
| 3 to 6 months late | 5 Feb 2027 to 4 May 2027 | £750 |
| More than 6 months late | From 5 May 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Mar 2027 | £200 |
| 3 months late | 28 May 2027 | another £200 |
| 6 months late | 28 Aug 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 28 Feb 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
- 16229738
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 4 February 2025 (1 year ago)
- Registered office
- 209 Liverpool Road, Birkdale, Southport, Merseyside, PR8 4PH
- Nature of business
- Other specialised construction activities n.e.c. (SIC 43999)
Engineering related scientific and technical consulting activities (SIC 71122)
Other engineering activities (SIC 71129) - Year end
- 28 February (accounting reference date)
- Accounts type
- No accounts filed yet
- Last confirmation statement
- 29 July 2026
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 Southport
Other active specialist construction companies registered in Southport.
- Industrial Abseilers Limited2024
- J&N Commercials Ltd2025
- J.P.L Construction & Maintenance NW Ltd2017
- Jbe Construction Ltd2025
- John H.Weatherby (Memorials) Limited1958
- Lexton Holdings Limited2016
- Mac Digitals Technology Limited2013
- Mullen Services Ltd2024
All specialist construction companies in Southport · All trades in Southport · Specialist contractors across the UK
Frequently asked questions
When are In-Depth Building Consultants Ltd's accounts due?
In-Depth Building Consultants Ltd's next accounts are due at Companies House by 4 November 2026 (in 22 days), covering the period to 28 February 2026.
When is In-Depth Building Consultants Ltd's CT600 due?
The first accounts cover more than 12 months, so there are two Company Tax Returns: one for the 12 months to 3 February 2026, due by 3 February 2027, and one for the period to 28 February 2026, due by 28 February 2027. Corporation tax is payable 9 months and 1 day after the end of each.
Is In-Depth Building Consultants Ltd still trading?
In-Depth Building Consultants Ltd 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 In-Depth Building Consultants Ltd do?
In-Depth Building Consultants Ltd is registered under Other specialised construction activities n.e.c. (SIC 43999); Engineering related scientific and technical consulting activities (SIC 71122); Other engineering activities (SIC 71129).
How old is In-Depth Building Consultants Ltd?
In-Depth Building Consultants Ltd was incorporated on 4 February 2025, 1 year ago.
What is the penalty if In-Depth Building Consultants 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 In-Depth Building Consultants Ltd 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.