- Companies
- Property developers
- Longfield
- SD Lee Ltd
Company profile · Property developers
SD Lee Ltd
SD Lee Ltd is a 3-year-old private limited company registered in Longfield, company number 15164665, one of 29 property development companies in Longfield. 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.
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 SD Lee LtdOr 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.
Financial snapshot, 2025
From the balance sheet at 30 September 2025, as filed at Companies House.
SD Lee Ltd over the years
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 up £1,221 (+109%) on the year before, to £101.
- Current assets of £2,258 against £5,382 owed within a year: 0.4 times cover.
- 1 employee on average during the year.
- Balance sheets on record for 2 years, 2024 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 30 Sep 2025 | £101 | £413 | £2,258 | £5,382 | 1 |
| 30 Sep 2024 | -£1,120 | £16 | £1,136 | 1 |
Public contracts won
SD Lee Ltd has one public sector contract award on record (2026). Source: Contracts Finder and Find a Tender award notices.
| Buyer | Contract | Value | Awarded |
|---|---|---|---|
| West Kent Housing Association | Resurfacing and Repairs to the Carpark at 101 London Road | 26 Aug 2026 |
Where SD Lee Ltd is registered
The registered office is in Longfield (DA3), in the Sevenoaks local authority area, South East. Show DA3 8NX on a map.
Other trade companies in DA3
- Heat Exchangers LtdPlumbers and heating engineers
- Ohq Management LimitedFinishing trades
- J Roe Scaffolding LimitedScaffolders
- A T Installations (2026) LimitedPlumbers and heating engineers
- Interlock Plumbing & Heating LimitedPlumbers and heating engineers
- Window Medic Kent LimitedJoiners and carpenters
- BMDZ Group LtdCleaning companies
- Thain Air Conditioning Services LtdPlumbers and heating engineers
What happens if SD Lee 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
- 15164665
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 26 September 2023 (3 years ago)
- Registered office
- Fairhavens Mussenden Lane, Fawkham, Longfield, DA3 8NX
- Nature of business
- Development of building projects (SIC 41100)
- Year end
- 30 September (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 30 September 2025
- Last confirmation statement
- 25 September 2025
- Previous names
- SD Lee Contractors Ltd (until 22 Mar 2024)
Filing notes for property development companies
Many property development companies are single-project vehicles. Stock of land and buildings sits on the balance sheet as work in progress until sale, and a company that has finished its project may become dormant rather than close.
Similar companies in Longfield
Other active property development companies registered in Longfield.
- Spinney Capital Limited2021
- Sunbirth (Otford) Limited2021
- The Art of Living (Hamble) Limited2005
- TSB Capital Ltd2022
- A H SPV Ltd2021
- Aitken Electrical Limited2025
- Altermore Builders Ltd2019
- Cargan Estates Limited2019
All property development companies in Longfield · All trades in Longfield · Property developers across the UK
Frequently asked questions
When are SD Lee Ltd's accounts due?
SD Lee 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 SD Lee 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 SD Lee Ltd still trading?
SD Lee 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 SD Lee Ltd do?
SD Lee Ltd is registered under Development of building projects (SIC 41100).
How old is SD Lee Ltd?
SD Lee Ltd was incorporated on 26 September 2023, 3 years ago.
Has SD Lee Ltd won public sector contracts?
Yes. SD Lee Ltd has one contract award from public bodies on Contracts Finder and Find a Tender, most recently from West Kent Housing Association.
What is the penalty if SD Lee 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 SD Lee 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.