This document provides information on house numbering systems and practices. It discusses the history of house numbering dating back to the 15th century. It outlines various methods of numbering including numbering by street using clockwise or odd/even systems. It describes the odd/even system commonly used today in Europe. It also discusses numbering for property assessment purposes and different types of number assignments. The document outlines best practices for numbering schemes including flow, sequence, avoiding duplication or skipped numbers, and ensuring unique identification of properties.

1. NEWEL EXPERIENCE FOR...
REAL ESTATE PRACTICE
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2. OVERVIEW OF KEY ISSUES
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3. PURPOSE OF NUMBERING
 Administrative
 Simple Monitoring
 Counting &
Others
(Identifications, Planning, Scheduling, delivering etc..)
(Can be monitored from any dominant location)
(Whatever for needed purposes)
RATING
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4. HISTORY
A house numbering scheme was present in Pont Notre-Dame in Paris in
1512. However, the purpose of the numbering was generally to
determine the distribution of property ownership in the city, rather than
for the purpose of organization.
In the 18th century the first street numbering schemes were applied
across Europe, to aid in administrative tasks and the provision of
services such as mail delivery. The New View of London reported in
1708 that "at Prescott Street, Goodman's Fields, instead of signs, the
houses are distinguished by numbers". Parts of the Paris suburbs were
numbered in the 1720s;
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5. HISTORY CONTINUE…..
Regulations introducing house numbering in London date from 1762 and 1765; in
the 1768 published street directory, In 1766, the houses in the county are
numbered with the aim to address the real estate without being dependent on
using the changeable house name.
Anyway, after the Revolution a new system of house numbering is introduced in
Paris and other French cities to facilitate the collection of a land tax in 1790. The
corresponding order, dated with September 24th1801, requires the numbers
attached with black colour made out of bone coal and oil on a white rectangle
painted on the houses.
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6. METHODS OF NUMBERING
 1 …
 2 …
 THE NUMBERING BY STREET USING THE SO CALLED CLOCKWISE SCHEME
 THE NUMBERING BY STREET USING THE SYSTEM PAIR/IMPAIR OR
ODD/EVEN. THE HOUSES ON ONE SIDE OF THE STREET ARE NUMBERED
WITH ODD NUMBERS, THE HOUSES ON THE OTHER SIDE WITH EVEN
NUMBERS.
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7. ODD & EVEN SYSTEM
The house numbering system used in most cities of today’s Europe is
the odd/even system with odd numbers proceeding on one street side and
even numbers on the other side; sometimes it is called French system
because it was introduced in Paris in 1805 and during the nineteenth century
in many other cities
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8. NUMBERING FOR RATING PURPOSE
Hereditaments (are any kind of properties that can be inherited. Hereditaments are
divided into corporeal and incorporeal) numbering is the system of giving a
unique number to each building or retable property in a street or area
as well as any location to be assessed, with the intention of making it
easier to locate or identification a particular building or property.
House numbering schemes vary by location, and in many cases even
within cities as well as many remote areas
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9. NUMBER ASSIGNMENTS
 Cardinal Number
 Ordinal Number
 Nominal Number
(Where numbers identify as cardinality)
(Where numbers identify the rank of an element
in a certain sequence)
(Where numbers identify objects in a set)
No.100
No.100/10
No.1001/1
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10. MODUS OPERANDI OF NUMBERING
 Numbers should flow from one end to another end of array of road or
any hereditament
 Numbers should not mutation in a sequence
 Premises should not be skipped in a form
 Skip numbers should be allowed
 Void of duplication
 Existing peculiar patterns should be maintained
 Numbers should reflect true location /correct identification of retable
area
 Numbers will not be issued on a street where the access rights have
been abandoned or prohibited by governing body
 All mezzanines, attic floors and penthouse levels should be
numbered if applicable unless existing building whole floor
 Keep of Unique Numbers
 Area should be focalized
 Beware of impure numbers www.nkshome.wapka.m

11.  FOCAL POINT / CENTER /HUB
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12. FLOW / ARRAY / SEQUENCE
Mahara PS
200
02
199
01
Gampaha PS
800
202
799
201
Gampaha MC
1000
802
199
01
Attanagalla PS
4000
1002
2999
01
Co
l
To
Kandy
A
1
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13. UNIQUE NUMBER
07
2010
07 1105
2020
07 11
2015
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14. FREE FROM MUTATION
1 3A 3 5 5D 7A 7 11 15A 15
1 3 3A 5 5D 7 7A 11 15 15A
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15. DEVOID OF SKIPPED
Noticeable properties should be considered to continuation of
numbering on a street or location
 Historical places….Ambalamas, Towers, charities & other bodies
etc..
(If ratable or not)
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16. SPARE NUMBERS
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17. NULL OF DUPLICATION
Beware of…
Upon numbering… …..
Upper level numbering … …..
Lower level numbering … ….
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18. PECULIAR PATTERNS
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19. TRUE LOCATION / CORRECT IDENTIFICATION
Asst.No.97, 97/1, 101 (LGF)
Asst.No.97M1, 971/1, 97M2, 972/1
Asst.No.97, 97/1, 97B, 97M,
101,
Asst.No.97B1/1, 97B2/1
Below Main Road & Leveled By
Road
Upper Level
Ground Level
Basement Level
Numbered premises should be reflected
their real characteristic according to
means of its location or identification …

20. PROHIBITED AREAS
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21. MEZZANINE / PENTHOUSE / ATTIC
A penthouse apartment or a penthouse is an apartment on the highest
floor of an apartment building or a hotel.Penthouses are typically
differentiated from other apartments by luxury features.
Penthouse apartment - Wikipedia
https://en.wikipedia.org/wiki/Penthouse_apartment
A "mezzanine floor" low storey between two others in a building,
typically between the ground and first floors.
An attic (sometimes referred to as a loft) is a space found directly
below the pitched roof of a house or other building; an attic may also
be called a sky parlor or a garret.
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22. IMPURE NUMBERS
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23. LET’S IMPROVE IN A PECULIAR WAY

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25. Recommendation Viewer
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35. SRI LANKAN PRACTICE – NUMBERING
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36. ACTS / REGULATIONS / DEPARTMENT ORDERS
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Municipal Council Ordinance No.00 of
1947
 Section 71  Naming / Changing of Street Denomination
Urban Council Ordinance No.61 of
1939
 Section 55 (3)  Numbering Houses / Buildings
 Adding / Changing of Building Numbering
 Section 55 (A)  Naming / Changing of Street Denomination
Pradeshiya Sabha Act No.15 of 1987
 Section 24 (1)
(B)
 Arranging List of Roads & Streets
 Section 32 (B)  Numbering Houses / Buildings
 Section 198  Naming / Changing of Street Denomination

37. ACTS / REGULATIONS / DEPARTMENT ORDERS
Departmental Order
86
 Item 33  ….. Or If a new number is assigned,
such new number entered against the obsolete
number and the name of the road written
against the entry if necessary
 Item 36  When an officer is working with the
Town Sheets,……, and the same labeled with
the new number or numbers in pencil in the
field,….
 Item 51  In the case of …..all the new numbers
in the case of a division, and all the obsolete
numbers against the new number in the case of
consolidation.

38. ACTS / REGULATIONS / DEPARTMENT ORDERS
 Item 54  In renumbering a town, when it
becomes necessary to identify and unnamed
road or lane, officers should refrain as far as
possible from recommending personal names
for any such road or lane
 Item 55  When a town is being renumbered,
the officer doing the preliminary survey should
see, that the peon chalks on the premises the
new number assigned to it
 Item 56  When a building is situated in an
extensive garden, the letting of which separate
from the building is possible, two numbers
should be assigned, one for the building and
another for the land,….
Departmental Order
86

39. ACTS / REGULATIONS / DEPARTMENT ORDERS
 Item 57  In the case of division of a property
where the several units of assessment are to
be numbered from more than one road or
street, the officer doing the preliminary survey
will in the first instance, be able to assign, only
such of the numbers, appertaining to the
road,….
Departmental Order
86

40.  Field work /
Numbering
1. In the case of numbering, “left hand rule” has to
be followed as much as possible. However, a
revision, an existing number should not be
changed without consent of the owner/occupier of
the properties
Departmental Order 305 –
15.10.2015
ACTS / REGULATIONS / DEPARTMENT ORDERS
2. Before issuing a number, keep in mind the
matters to be completed
3. When a building is situated in an extensive
garden, the letting of which separate from the
building is possible, two numbers could be
assigned, one for building and another for the
land, even when remission for non-tenancy is
granted in respect of the building
4. In the case of division/consolidation or
reconciliation of a property where the several units
of assessment are to be numbered from more
than one road or street,……

41. INSTRUCTION + REQUEST LETTER – YEAR 2001 (VR-5)

42. ROAD / WARD / AREA INSPECTION
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43. ROAD CLASSIFICATION
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Sri Lanka Road Classification
Feature Name
Implementation
Entity
Description Photo
Expressway(E)
Road Development
Authority (RDA)
A highway especially planned for high-
speed traffic, usually having few if any
intersections, limited points of access or
exit and A wide road (more than 30m
width or less than 30m width) for high
speed transportation.
Main Road(A)
Road Development
Authority (RDA)
The most important roads in a country's
system that aren't motorways. (Need not
necessarily be a divided highway). and
Inter-provincial trunk roads Connecting
major cities and ports and access to link
the province to province.
Main Road(B)
Road Development
Authority (RDA)
The next most important roads in a
country's system. (Often link larger
towns.)Intra-provincial arterial roads
connecting major urban areas.
Secondary/Minor
Road (C & D)
Provincial Road
Development Authority
(PRDA) of relevant
Provincial Council
The next most important roads in the
country's system. (Often link smaller
towns and villages.) and Minor feeder
roads connecting settlements with
markets and other activities places.
Jeep/Car Road
In-house Road
Maintenance Unit of
Municipal/Urban Council
or Local Authority
Local roads providing access to specific
location (Example: Roads access to
religion places, historical places etc...)
Jeep/Car Track
A roads providing access to plantation,
forest, irrigation, etc… Usually unpaved.
Footpath
For designated footpaths; i.e.,
mainly/exclusively for pedestrians. This
includes walking tracks and gravel paths.

44. BUILDINGS FORMA
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Basement
Ground Floor
First Floor
Second Floor
Penthouse
Lower
Ground
Floor

45. LEFT HAND RULE
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46. UNIQUE NUMBERS
Unique identifier. ... With reference to a
given (possibly implicit) set of objects, a
unique identifier (UID) is any identifier which is
guaranteed to be unique among all identifiers
used for those objects and for a specific purpose.
A unique identifier (UID) is a numeric or
alphanumeric string that is associated with a
single entity within a given system. UIDs make it
possible to address that entity, so that it can be
accessed and interacted with.
House numbering is the system of
giving a unique number to each building in
a street or area, with the intention of making it
easier to locate a particular building. The house
number is often part of a postal address. The term
describes the number of any building (residential
or not) with a mailbox, or even a vacant lot.

47. NUMBERING STANDARDS
97B2/1 101B1/1
101
97B1/1
97
971/1
972/1
97M1
97M2
101/01
Spare
101/05
101/10
101/11
GF
MZ
FF
SF
BS /
LGF
SBS/B
S
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48. UPON NUMBERING STYLES
Nos.23/1, 23/2….23/107... 23/150..
Nos.2/1, 2/2….2/65... 2/75....
Nos.77C/1, 77C/25….77C/65..
Nos.22/1, 22/1/1, 22/1/2, 22/1/3..
Nos.35/1, 35/1A, 35/1B, 35/1C…....

49. SERIES SHOULD BE MAINTAINED PROPERLY
21420
6
52
20
A A
B
 Free
Duplication
 Free Mutation
 Clear Organization
 Easy to decision
Asst.No.20/5, B
Road
Asst.No.20/5, A
Road
Should be upon
Nos. from Road B
Better applied
lane

50. PECULIAR PATTERNS SHOULD BE KEPT
No.300 No.280 No.250
No.300/1
No.300/2
Local Authority Area - AALocal Authority Area - BB

51. FREE OF MUTATION
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Gampaha MC - Gampaha Gampaha MC - Yakkala
Miriswatta
Gamapaha Town
Yakkala
Gampaha PS

52. NIL FOR NULL
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Obs.
No.
Nil
New No. XXX
Owner The Owner
Descriptio
n
Land

53. AVOID OF EXCESS AREA
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55. Test 01

56. Test 02

57. Final

58. EDIFICATION (CONCLUSION)
 Study …..
 Verify ……
 Satisfy ……
 Apply …..
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Nishantha
Senadheera