The two designations behind this guide
Two conservation areas in the London Borough of Tower Hamlets, Fournier Street and Elder Street, form the study area used here, together about 38.5 hectares. The council's appraisal gives the larger one a longer name, the Brick Lane and Fournier Street Conservation Area, and calls it one of the most important historic areas in London. Inside the combined line the national list records 118 entries, while the statistical areas around it show a housing stock in which 90.6% of homes are flats and the largest age group dates from 2000 onwards.
That mix of listed early buildings and a large share of recent flats is why the age and listing of the specific building are pinned down before anything else. Records for the rest of the borough are gathered in the Tower Hamlets guide.
What the council and national records say
Every statement below links to the public record it comes from; sources were re-checked on .
Names, references and appraisals
On planning.data.gov.uk the study area consists of the Fournier Street conservation area, reference TH-05-FRS and about 35.0 hectares, and the Elder Street conservation area, reference TH-04-ESC and about 3.6 hectares.
For Fournier Street the record's start date is 1 October 2008, a field that moves when a boundary is revised; the Elder Street entry carries no date.
Tower Hamlets' character appraisal and management guidelines, adopted by Cabinet on 4 November 2009, use the name Brick Lane and Fournier Street Conservation Area and say the area was designated in July 1969 as Fournier Street.
That appraisal singles out an exceptional group of 18th century houses around Fournier Street, which it calls the most important early Georgian quarter in England.
The Elder Street appraisal, adopted by Cabinet on 7 March 2007, also gives July 1969 as its designation and says Elder Street was begun around 1722 as a row of houses originally only one room deep, which now form the core of that area.
A house that began one room deep may since have been extended, so the appraisal's account prompts a check on when each rear addition was made and whether it had consent.
List entries and the priory
Within the combined boundary the NHLE dataset returns 118 list entries, of which 1 is Grade I, 6 are Grade II* and 111 are Grade II.
The Grade I entry is Christ Church (Including Gatepiers and Gates to Vergers Yard), which the Brick Lane and Fournier Street appraisal attributes to Nicholas Hawksmoor.
At Grade II* the list names the Church of St Matthew, Brick Lane Jamme Masjid (Former Neuve Eglise), Christchurch Rectory, 2 Fournier Street and Area Railings, The Directors' House, Truman Brewery, 19 Princelet Street and the Church of St Anne (Roman Catholic).
Listing extends to interiors, so the entry for the building is read, along with that of any adjoining listed house, before repairs to panelling, stairs, windows or shopfronts are specified.
The scheduled monument Priory and Hospital of St Mary Spital intersects the study area, and the Brick Lane and Fournier Street appraisal traces the district's name to that priory.
Disturbing a scheduled monument needs scheduled monument consent, separate from planning, so excavation near the scheduled site is raised with Historic England early.
Article 4 and the neighbourhood plan
Polygons from the planning.data.gov.uk Article 4 layer overlap parts of the study area, but none is named as a conservation-area direction, so any removal of householder rights is confirmed with Tower Hamlets via its conservation areas page.
On 5 October 2022, according to the council's neighbourhood planning page, a meeting of Full Council decided to reject the Spitalfields Neighbourhood Plan.
That decision followed two referendums held on 11 November 2021, one for residents and one for businesses, so a planning case here is argued from the borough's own policies and the appraisals rather than from a plan that the same page shows was not adopted.
Silt, clay and flood zones
Every one of the five sample points sits on London Clay Formation bedrock in BGS 1:50,000 mapping; at four of five the map shows Langley Silt Member clay and silt above it, and at the fifth, Taplow Gravel Member sand and gravel.
Clay and silt near the surface respond to moisture, so where the BGS viewer shows Langley Silt, leaking drains, tree roots and any record of underpinning are part of the inspection.
Where the geology map shows Taplow Gravel instead, the ground is free-draining, though a leaking pipe can carry fine material out of it.
No part of the study area is mapped in Flood Zone 2 or 3 in the Flood Map for Planning kept by the Environment Agency.
The zones ignore defences, say nothing about a single property and leave out surface water, so cellars are also looked up on the government's long-term flood risk checker.
Homes in three statistical areas
Three LSOAs lying at least half within the boundary, E01004306, E01004307 and E01035668, approximate it and hold about 3,940 dwellings according to the Valuation Office Agency's 2025 stock tables, which round each count to the nearest 10.
By age, those VOA tables put 37.6% of dwellings in 2000 or later, 24.6% before 1900, 21.6% in 1973-1999, 9.4% in 1945-1972, 4.8% in 1919-1939 and 2.0% in 1900-1918, with 0.5% unknown.
Of the counted stock, 90.6% is flats and maisonettes and 8.6% terraced houses, so how each lease divides repair duties is a question for most purchases.
Bands F to H hold 16.0% of these dwellings in the band counts, and band B, at 25.9%, is the largest single band.
Local guides published for the district
These pages each take a single kind of instruction and explain how it applies to homes within and beside the two conservation areas; the practice-wide pages give the general scope.
Guides for the surrounding districts
For neighbouring districts, see Whitechapel, Shoreditch and the City of London, each with its own conservation and housing records, and Clerkenwell, further west, has its own guide too; borough-wide material sits in the Tower Hamlets guide.
Questions about property in the two conservation areas
Why does the council appraisal give the conservation area a longer name?
Tower Hamlets' appraisal is titled Brick Lane and Fournier Street and says the area was designated in July 1969 as Fournier Street. The national record still uses Fournier Street, so both names lead to the same designation in council and national sources.
Which entries here are graded above Grade II?
Seven of the 118 entries in the NHLE data: Christ Church at Grade I, and six at Grade II*, among them 19 Princelet Street. The remaining 111 are Grade II, which still requires consent for works that affect a building's character.
Did the neighbourhood plan come into force?
It did not. Tower Hamlets' neighbourhood planning page records that Full Council decided on 5 October 2022 to reject it, after referendums for residents and businesses on 11 November 2021. Planning questions are therefore answered from the borough's own policies and the conservation-area appraisals.
What does mapped silt mean for the older houses?
BGS 1:50,000 mapping shows Langley Silt clay and silt over London Clay at four of five sample points. Fine-grained ground of this sort reacts to moisture, so drainage leaks and nearby trees are looked at when cracks are found, without assuming the mapped layer is present at every address.
Are the conservation areas affected by mapped flood zones?
Flood mapping for planning from the Environment Agency places no part of them in Flood Zone 2 or 3. Those planning zones ignore defences and leave out surface water, so a cellar or basement is also checked on the long-term flood risk service.
What should I gather before asking about an early Georgian house?
Any listed building consents and their drawings, the dates of rear additions or roof changes, the lease if the house is divided into flats, and photographs of panelling, stairs or shopfronts that have been repaired. Together these let the inspection separate original fabric from later work.
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