How the figures are gathered
Rather than a conservation-area boundary, this page uses a circle with a radius of 750 metres centred on Sidcup railway station, roughly 176.7 hectares of the London Borough of Bexley, because nothing at the centre of the town is designated as a conservation area. The circle is a study device only: it is not a planning boundary, and no control follows its edge.
Bexley's conservation areas are not loaded in the national dataset used elsewhere on this site, so the council's own appraisals are linked instead. Neighbouring areas are grouped in the South East London guide.
Around the station: the records
Every statement below links to the public record it comes from; sources were re-checked on .
Conservation areas and Article 4
Nothing is designated at the centre of the circle, and because Bexley's conservation areas are absent from the national conservation-area records on planning.data.gov.uk, their boundaries cannot be measured here from national data.
Bexley publishes appraisals for the Christ Church conservation area and The Green conservation area, and the council's conservation and heritage page is the place to confirm whether a given address falls inside either.
No Article 4 direction within the circle appears in the national Article 4 dataset, but given the gaps in Bexley's national data the council's conservation and heritage page is checked before permitted development rights are assumed.
Listing and Lamorbey Park
Six entries are returned for the 750-metre circle by the NHLE listed-building data, every one at Grade II, when queried on 1 November 2026.
Lamorbey Park, registered at Grade II as a park and garden, takes in about 24.61 hectares of the circle, roughly 14% of it.
A registered landscape is protected through planning policy rather than a consent of its own, so for a house beside the park the Historic England entry for Lamorbey Park informs how a visible extension or outbuilding might be judged.
With six entries spread over about 177 hectares, very few addresses are affected by listing, and the NHLE entry for the building is what decides whether listed building consent applies.
Harwich Formation sand and gravel
All five sample points sit on Harwich Formation sand and gravel bedrock on BGS mapping at 1:50,000, and no superficial deposit is recorded over any of them.
Sand and gravel do not shrink and swell with the seasons as clay does, but leaking drains and soakaways can carry fine material away, so the BGS mapping directs attention to drainage condition, trees close to shallow foundations and any localised settlement.
Made ground and small-scale variation are not shown at 1:50,000, so the BGS viewer sets expectations for an inspection without describing the ground under any one house.
Flood zones
Flood Zone 3 covers 0.1% of the circle and Flood Zone 2 under 0.1%, both from rivers, on the Flood Map for Planning published by the Environment Agency.
Planning flood zones leave out defences, surface water and the details of a building, so each address is also looked up with the check for long-term flood risk.
With so little river flooding mapped, surface water is the more useful thing to check, and the long-term flood risk service reports it for each address.
Housing in four LSOAs
Four LSOAs, E01000462, E01000424, E01000458 and E01000457, give about 3,540 dwellings in the VOA's 2025 stock of properties tables, with VOA rounding each count to the nearest 10.
Their build-period breakdown is 25.7% from 1945-1972, 23.4% from 1973-1999, 17.8% from 1919-1939, 15.3% from before 1900, 14.7% from 2000 onwards and 3.4% from 1900-1918.
Flats or maisonettes make up 54.2% of the dwellings on the VOA type counts, with 17.5% semi-detached, 14.7% terraced, 12.7% detached and 0.8% bungalows.
Bands F to H hold 18.4% in the VOA band table, while band C alone holds 41.5%.
With nearly half the stock built between 1945 and 1999 and more than half of it flats on these VOA figures, many purchases here involve a lease and a shared structure as well as the flat itself.
Sidcup guides for each instruction
Choose the local guide closest to what you need, then use the practice page next to it if you want the wider explanation of that service.
Other guides nearby
Neighbouring guides on this site include Chislehurst, Eltham, Abbey Wood, Orpington and Woolwich, all grouped in the South East London guide.
Questions about the station circle
Why are the figures counted around the station?
With nothing designated at the centre to serve as a boundary, and Bexley's conservation areas missing from the national planning dataset, a fixed circle gives a consistent basis for comparison. Figures here are counted within 750 metres of Sidcup railway station, but the circle itself carries no planning weight.
Is my address in one of Bexley's conservation areas?
Check with Bexley. The council publishes appraisals for the Christ Church and The Green conservation areas, and its conservation and heritage page is the place to confirm boundaries, since the national dataset does not hold them.
What is the registered park inside the study circle?
Lamorbey Park, registered at Grade II, covers about 24.61 hectares of the circle. Registration works through planning policy, so homes beside it may face questions about its setting when a visible extension or outbuilding is proposed.
Are many buildings listed around the railway station?
Very few: 6 list entries, all Grade II, fall within the 750-metre circle on the NHLE data. For most homes, the planning questions concern permitted development and any conservation-area status rather than listed building consent.
Does the sand and gravel ground cause problems?
Harwich Formation sand and gravel is mapped at all five sample points with no cover recorded above it. It drains freely and avoids clay shrinkage, but leaks can wash out fine material and tree roots can still affect shallow footings, so cracks are traced to a cause on site.
What paperwork is useful before an inspection?
For a flat, the lease, recent service charge statements and any notice of major works; for a house, planning and building control records for extensions and any history of drainage or crack repairs. With more than half the nearby stock being flats, the lease is often the first document worth sending.
How we work on an instruction
Hampstead Chartered Surveyors is a RICS-regulated firm (RICS Regulated Firm No. 923064) working from its registered Hampstead NW3 office. The firm does not claim premises, staff or completed instructions in an individual locality, and it does not treat a neighbourhood name as evidence about a particular building.
An instruction starts with the full address, the decision the client faces and the documents already available, such as leases, drawings, notices or earlier reports. The scope, fee and inspection date are confirmed in writing only after that review, and access to roofs, lofts, basements or common parts is agreed before the visit.
Reports include RICS Level 2 and Level 3 home surveys, building and defect investigations, party wall appointments, reinstatement cost assessments, contract administration and schedules of condition. Each report records what was inspected, what could not be seen and what further investigation the evidence supports.
Public datasets such as the conservation-area register, the National Heritage List for England, British Geological Survey mapping, the Environment Agency flood map and Valuation Office Agency housing statistics describe areas rather than individual properties. They frame questions before an inspection; they never replace it.
Reviewed by Savas Bulduk BSc (Hons) MRICS, Director & Chartered Building Surveyor at Hampstead Chartered Surveyors & Building Consultancy. Last reviewed: . Our people · RICS firm record