Premises record · Barnet
Arden House.
121 Marsh Lane, London, NW7 4LG
This premises has 12 confidently linked planning records. The most recent is 25/2896/192, received 10 Jul 2025.
ApprovedRefusedOther
At a glance · this premisesBarnet profile →
12
Applications
5 approved of 12 decided
1
Recorded sales
latest 13 Mar 2023
D
Current EPC
potential C
17
Constraints
mapped and council records
0
Companies
exact address connections
0
Intent signals
none recorded
Address and planning records attached to UPRN 200079726. Land boundaries are context only; no parcel ownership or occupation is asserted.
Property
What is it?
This premises has 12 confidently linked planning records. The most recent is 25/2896/192, received 10 Jul 2025.
Sales history
£3,300,00013 Mar 2023 · Price Paid Data
Companies and owners
No company connection matched to this exact UPRN.
Energy record
EPC DPotential C · 260 m² · inspected 11 Feb 2022
OS AddressBase PremiumSource ID 200079726 · builtaddress · confidence 100%
Planning
What happened?
Timeline · 11 applications · 1 sales · EPC
1996200120062011201620212026
● application (green approved, red refused, grey other) · £ sale · ■ EPC · ▲ building control — hover for details, click to open
12 applications confidently linked to this premises (0 by UPRN, 12 by exact address), 5 approved of 12 decided. Oldest Not recorded, latest 10 Jul 2025.
Reference
Proposal
Type
Outcome
Date
Single storey rear extension following the demolition of existing raised planter
Proposed Lawful Development Certificate
Approved
2025-07-10
Single storey rear extension to upper ground floor linking to existing house. New Garage doors.
Householder Application
Approved
2025-04-25
Single storey rear extension with a depth of 8.00 metres, maximum height of 3.87 metres and eaves height of 2.95 metres. Following demolition of existing raised planter.
Prior Notification (Householder)
Not required
2025-04-25
Single storey rear extension with a proposed depth of 8.00 metres, maximum height of 3.87 metres and eaves height of 2.81 metres.
Prior Notification (Householder)
Refused
2025-04-22
Erection of a single storey pool house following demolition of the existing pool and green house
Proposed Lawful Development Certificate
Approved
2025-04-01
Additional storey at first floor level
Prior Notification (Upward Ex house)
Refused
2025-03-26
2no. single storey side/rear extensions with a depth of 8m, maximum height of 2.99m and eaves height of 2.99m, and depth of 8m, maximum height of 2.65m and eaves height of 2.5m respectively
Prior Notification (Householder)
Refused
2025-03-26
Single storey rear extension linking to the existing house with pitched roof to match existing over new extension and existing garage. New garage door
Householder Application
Refused
2025-01-30
2 x Oak, 1 x Sycamore (T1, T2, and T3 Applicants Plan) - Prune Roots Encroaching under Drive of 119 Marsh Lane in accordance with OMC Associates Arboricultural Report for Insurance Purpose dated 15 August 2012. Standing in Group G14 of Tree Preservation Order
Works to TPO trees
Approved
2012-08-28
Oak & Sycamore - remove overhanging branches to a height of 10m, G14 of TPO.
—
Refused
1998-03-24
Single storey rear extension following the demolition of existing raised planter
Approved
2025-07-10
More
Proposed Lawful Development Certificate
Single storey rear extension to upper ground floor linking to existing house. New Garage doors.
Approved
2025-04-25
More
Householder Application
Single storey rear extension with a depth of 8.00 metres, maximum height of 3.87 metres and eaves height of 2.95 metres. Following demolition of existing raised planter.
Not required
2025-04-25
More
Prior Notification (Householder)
Show all 10 rows
Single storey rear extension with a proposed depth of 8.00 metres, maximum height of 3.87 metres and eaves height of 2.81 metres.
Refused
2025-04-22
More
Prior Notification (Householder)
Erection of a single storey pool house following demolition of the existing pool and green house
Approved
2025-04-01
More
Proposed Lawful Development Certificate
Additional storey at first floor level
Refused
2025-03-26
More
Prior Notification (Upward Ex house)
2no. single storey side/rear extensions with a depth of 8m, maximum height of 2.99m and eaves height of 2.99m, and depth of 8m, maximum height of 2.65m and eaves height of 2.5m respectively
Refused
2025-03-26
More
Prior Notification (Householder)
Single storey rear extension linking to the existing house with pitched roof to match existing over new extension and existing garage. New garage door
Refused
2025-01-30
More
Householder Application
2 x Oak, 1 x Sycamore (T1, T2, and T3 Applicants Plan) - Prune Roots Encroaching under Drive of 119 Marsh Lane in accordance with OMC Associates Arboricultural Report for Insurance Purpose dated 15 August 2012. Standing in Group G14 of Tree Preservation Order
Approved
2012-08-28
More
Works to TPO trees
Oak & Sycamore - remove overhanging branches to a height of 10m, G14 of TPO.
Refused
1998-03-24
More
—
Building control
Building-control records are not yet collected for Barnet — the register is being gathered borough by borough (held so far: Lambeth, Brent, Ealing, Westminster, City and others).
Place
What affects it?
Designation
What it means here
Article 4 Direction Area
Article 4 Small Houses in Multiple Occupation (HMO) Area 1 · reference A4D14A1 · mapped at this premises location. Some normally permitted changes may require planning permission.
Special Advert Control: ADVERT_00003
Recorded against a planning application confidently linked to this UPRN; its effect depends on the proposed works.
Green Belt: GREEN_00001
Recorded against a planning application confidently linked to this UPRN; its effect depends on the proposed works.
Smoke Control Zone: Not Available
Recorded against a planning application confidently linked to this UPRN; its effect depends on the proposed works.
Article 4 Directions: A4D14A1 - Article 4 Small Houses In Multiple Occupation HMO
Recorded against a planning application confidently linked to this UPRN; its effect depends on the proposed works.
TPO Area: TPO Case Ref: TRE/HE/42.1 Area Number: 14
Recorded against a planning application confidently linked to this UPRN; its effect depends on the proposed works.
TPO Area: TPO Case Ref: TRE/HE/42.1 Area Number: 15
Recorded against a planning application confidently linked to this UPRN; its effect depends on the proposed works.
TPO Area: TPO Case Ref: TRE/HE/42.1 Area Number: 16
Recorded against a planning application confidently linked to this UPRN; its effect depends on the proposed works.
TPO Area: TPO Case Ref: TRE/HE/49 Area Number: 9
Recorded against a planning application confidently linked to this UPRN; its effect depends on the proposed works.
TPO Area: TPO Case Ref: TRE/HE/3 Area Number: 6
Recorded against a planning application confidently linked to this UPRN; its effect depends on the proposed works.
Article 4 Direction Area
Article 4 Small Houses in Multiple Occupation (HMO) Area 1 · reference A4D14A1 · mapped at this premises location. Some normally permitted changes may require planning permission.
Special Advert Control: ADVERT_00003
Recorded against a planning application confidently linked to this UPRN; its effect depends on the proposed works.
Green Belt: GREEN_00001
Recorded against a planning application confidently linked to this UPRN; its effect depends on the proposed works.
Show all 10 rows
Smoke Control Zone: Not Available
Recorded against a planning application confidently linked to this UPRN; its effect depends on the proposed works.
Article 4 Directions: A4D14A1 - Article 4 Small Houses In Multiple Occupation HMO
Recorded against a planning application confidently linked to this UPRN; its effect depends on the proposed works.
TPO Area: TPO Case Ref: TRE/HE/42.1 Area Number: 14
Recorded against a planning application confidently linked to this UPRN; its effect depends on the proposed works.
TPO Area: TPO Case Ref: TRE/HE/42.1 Area Number: 15
Recorded against a planning application confidently linked to this UPRN; its effect depends on the proposed works.
TPO Area: TPO Case Ref: TRE/HE/42.1 Area Number: 16
Recorded against a planning application confidently linked to this UPRN; its effect depends on the proposed works.
TPO Area: TPO Case Ref: TRE/HE/49 Area Number: 9
Recorded against a planning application confidently linked to this UPRN; its effect depends on the proposed works.
TPO Area: TPO Case Ref: TRE/HE/3 Area Number: 6
Recorded against a planning application confidently linked to this UPRN; its effect depends on the proposed works.
Applications within 250 metres
Reference
Proposal · address
Type
Outcome
Date · distance
Additional storey at first floor level
Sabie House 121 Marsh Lane London NW7 4LG
—
Approved
—
0 m
0 m
New pool house containing a garage, plant room, changing room/facilities, steam room and sauna following the demolition of existing pool house.
101 Marsh Lane London NW7 4LG
Householder Application
Approved
2025-10-21
0 m
0 m
Change of use basement level into pilates studio for up to 8 people
Highwood Coombe 131 Marsh Lane London NW7 4LG
Full Application
Withdrawn
2025-09-11
0 m
0 m
Single storey rear extension following the demolition of existing raised planter
Sabie House 121 Marsh Lane London NW7 4LG
Proposed Lawful Development Certificate
Approved
2025-07-10
0 m
0 m
1 x Sycamore (applicants ref. T1) - Reduce crown by 3m. Standing in T20 of Tree Preservation Order. 1 x oak (applicants ref. T2) -Reduce to a monolith 3m (10ft) tall. Standing in G16 of Tree Preservation Order. (Exempt works) 1 x Lime (applicants ref. T3) - Reduce crown by 2-3m and cut back from pub car park. Standing in Group G17 of Tree Preservation Order. 1 x Oak (applicants ref. T4) - Reduce crown west side only by 3m and reduce height by 2m. Standing in Group G17 of Tree Preservation Order.
135 Marsh Lane London NW7 4LG
Works to TPO trees
Split
2025-05-16
0 m
0 m
Single storey rear extension to upper ground floor linking to existing house. New Garage doors.
Sabie House 121 Marsh Lane London NW7 4LG
Householder Application
Approved
2025-04-25
0 m
0 m
Single storey rear extension with a depth of 8.00 metres, maximum height of 3.87 metres and eaves height of 2.95 metres. Following demolition of existing raised planter.
Sabie House 121 Marsh Lane London NW7 4LG
Prior Notification (Householder)
Not required
2025-04-25
0 m
0 m
Single storey rear extension with a proposed depth of 8.00 metres, maximum height of 3.87 metres and eaves height of 2.81 metres.
Sabie House 121 Marsh Lane London NW7 4LG
Prior Notification (Householder)
Refused
2025-04-22
0 m
0 m
Erection of a single storey pool house following demolition of the existing pool and green house
Sabie House 121 Marsh Lane London NW7 4LG
Proposed Lawful Development Certificate
Approved
2025-04-01
0 m
0 m
Additional storey at first floor level
Sabie House 121 Marsh Lane London NW7 4LG
Prior Notification (Upward Ex house)
Refused
2025-03-26
0 m
0 m
Additional storey at first floor level
Sabie House 121 Marsh Lane London NW7 4LG
Approved
—
0 m
0 m
More
—
New pool house containing a garage, plant room, changing room/facilities, steam room and sauna following the demolition of existing pool house.
101 Marsh Lane London NW7 4LG
Approved
2025-10-21
0 m
0 m
More
Householder Application
Change of use basement level into pilates studio for up to 8 people
Highwood Coombe 131 Marsh Lane London NW7 4LG
Withdrawn
2025-09-11
0 m
0 m
More
Full Application
Show all 10 rows
Single storey rear extension following the demolition of existing raised planter
Sabie House 121 Marsh Lane London NW7 4LG
Approved
2025-07-10
0 m
0 m
More
Proposed Lawful Development Certificate
1 x Sycamore (applicants ref. T1) - Reduce crown by 3m. Standing in T20 of Tree Preservation Order. 1 x oak (applicants ref. T2) -Reduce to a monolith 3m (10ft) tall. Standing in G16 of Tree Preservation Order. (Exempt works) 1 x Lime (applicants ref. T3) - Reduce crown by 2-3m and cut back from pub car park. Standing in Group G17 of Tree Preservation Order. 1 x Oak (applicants ref. T4) - Reduce crown west side only by 3m and reduce height by 2m. Standing in Group G17 of Tree Preservation Order.
135 Marsh Lane London NW7 4LG
Split
2025-05-16
0 m
0 m
More
Works to TPO trees
Single storey rear extension to upper ground floor linking to existing house. New Garage doors.
Sabie House 121 Marsh Lane London NW7 4LG
Approved
2025-04-25
0 m
0 m
More
Householder Application
Single storey rear extension with a depth of 8.00 metres, maximum height of 3.87 metres and eaves height of 2.95 metres. Following demolition of existing raised planter.
Sabie House 121 Marsh Lane London NW7 4LG
Not required
2025-04-25
0 m
0 m
More
Prior Notification (Householder)
Single storey rear extension with a proposed depth of 8.00 metres, maximum height of 3.87 metres and eaves height of 2.81 metres.
Sabie House 121 Marsh Lane London NW7 4LG
Refused
2025-04-22
0 m
0 m
More
Prior Notification (Householder)
Erection of a single storey pool house following demolition of the existing pool and green house
Sabie House 121 Marsh Lane London NW7 4LG
Approved
2025-04-01
0 m
0 m
More
Proposed Lawful Development Certificate
Additional storey at first floor level
Sabie House 121 Marsh Lane London NW7 4LG
Refused
2025-03-26
0 m
0 m
More
Prior Notification (Upward Ex house)
Nearby premises
Addresses within 120 m that carry planning applications — linked where they have their own Atlas record.
Name
Details
Tinkers Lodge 117 Marsh Lane London NW7 4LG
11 applications · 0 m away
Sabie House 121 Marsh Lane London NW7 4LG
9 applications · 0 m away
101 Marsh Lane London NW7 4LG
7 applications · 0 m away
Highwood Coombe 131 Marsh Lane London NW7 4LG
5 applications · 0 m away
135 Marsh Lane London NW7 4LG
3 applications · 0 m away
117 Marsh Lane Mill Hill London NW7 4LG
2 applications · 0 m away
117 Marsh Lane London NW7 4LG
2 applications · 0 m away
Powerscourt 101 Marsh Lane Mill Hill London NW7 4LG
1 application · 0 m away
Arden House, 121 Marsh Lane, London, NW7 4LG
1 application · 0 m away
High Linden 104 Marsh Lane London NW7 4PA
4 applications · 91 m away
Tinkers Lodge 117 Marsh Lane London NW7 4LG
11 applications · 0 m away
Sabie House 121 Marsh Lane London NW7 4LG
9 applications · 0 m away
101 Marsh Lane London NW7 4LG
7 applications · 0 m away
Show all 10 rows
Highwood Coombe 131 Marsh Lane London NW7 4LG
5 applications · 0 m away
135 Marsh Lane London NW7 4LG
3 applications · 0 m away
117 Marsh Lane Mill Hill London NW7 4LG
2 applications · 0 m away
117 Marsh Lane London NW7 4LG
2 applications · 0 m away
Powerscourt 101 Marsh Lane Mill Hill London NW7 4LG
1 application · 0 m away
Arden House, 121 Marsh Lane, London, NW7 4LG
1 application · 0 m away
High Linden 104 Marsh Lane London NW7 4PA
4 applications · 91 m away
Nearby postcodes and streets
Walk to the next area — linked where the Atlas has a record for it (pilot borough only for now).
People
Who is involved?
Ward councillors
Ward not verified for this premises — councillors are withheld rather than guessed.
No councillor is attached until the ward is verified.
Applicants on linked applications
Named on the 12 applications confidently linked to this UPRN — the party who applied, not necessarily the owner or occupier.
The linked applications carry no applicant name.
Agents and case officers
No agent or case officer is recorded on the linked applications.
Companies and directors at this address
Companies House registered office or a director’s service address at this exact address — an official connection, not proof of ownership, trading or residence.
No company or director is registered at this exact address in the Companies House and Land Registry data we hold.
Development
What could it become?
This section brings together the evidence that shapes future development without inventing a development capacity or recommendation.
Planning precedent12 applications attached to this premises and 12 mapped within 250 metres.
Physical and policy controls17 mapped or council-recorded controls currently shape the evidence base.
Energy potentialCurrent EPC D, with potential C across 260 m² recorded floor area.
What remains unprovenNo site capacity, lawful use, ownership intention or development recommendation is asserted until the relevant building, title, policy and comparable evidence is verified.
Intent signals · Planning Atlas Pro
Ownership, finance and market signals recorded at this exact address, on its land parcel, or against companies named on its applications — each with date and source. Signals are evidence of change, not a prediction.
No intent signal is currently recorded for this premises.