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21 Granville Avenue, Seaton Sluice, Whitley Bay, NE26 4BU

2 planning records
Property type
Semi-detached
Bedrooms
3
Bathroom
1
Floor area
101 m²
1087 sq ft
Energy rating
C
Score 70
Council tax
Band C
Tenure
Owner Occupied
Overview

About 21 Granville Avenue

A plain-English summary derived from public records, EPC certificates, sold prices and local data.

21 Granville Avenue is a three-bedroom semi-detached house in Seaton Sluice, Whitley Bay, Whitley Bay (NE26 4BU). It has a recorded floor area of 101 m² (around 1087 sq ft), construction records dating it to 1967-1975 and council tax band C. The latest certificate (April 2024) shows a C (score 70). When first surveyed in April 2010 the rating was D, the property has climbed 1 band since. Between certificates, roof efficiency went from Poor to Good, window efficiency went from Average to Good and lighting went from Good to Very Good; while hot-water efficiency dropped from Very Good to Good and main heating dropped from Very Good to Good. The recommended improvements would push it to B (score 83).

2 planning records sit against the property, 2 approved, 0 refused. Past consents include an extension, meaningful when judging how the property has evolved. Across 2011–2024, sale prices on this property compounded at 4.7% per year. Today's modelled estimate of £318,000 is 11% above the 2024 sale price. On a £-per-square-foot basis, the last sale (£264/sq ft) was about 62.1% above the typical sold price in the postcode. Most recent transfer: September 2024 at £286,500.

Before you offer

Know exactly what you're buying at 21 Granville Avenue

Before you offer, see what the listing won't tell you, the true value, the red flags and the full history.

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Valuation

against the asking price

Risks

planning & flood

Sold prices

similar homes nearby

Trends

the local market

Specifications

What this property has

Pulled from EPC certificates, claim submissions and our property model. Empty categories are hidden — we only show what's known.

Inside

  • Bedrooms3
  • Bathrooms1
  • Dining roomYes
  • Utility roomYes
  • CloakroomYes
  • EnsuiteYes
  • FireplaceYes

Outside

  • Private gardenWest-facing
  • GarageYes
Energy

Energy performance

Every EPC certificate filed against this property — current rating, recorded improvements, and where there's headroom to reach a higher band.
Current Certificate(1 of 2)
Apr 2024

EPC Rating

A
B
C
C70
D
E
F
G
Main Heating
Gas
Main Fuel
Gas
Hot Water
Good
Windows
Good
CO2 Emissions
3.5 t/year
Occupancy
Owner Occupied

Property Improvements

Changes detected from historical EPC data

Apr 2024from Apr 2010
EPC improved fromD60toC70
Heating Controls
FullFull Control

Heating controls upgraded for better temperature management

Hot Water
Very GoodGood

Hot water efficiency decreased

Windows
AverageGood

Window efficiency improved

Wall Insulation
Partial InsulationInsulated Cavity

Wall insulation upgraded

Roof Insulation
UninsulatedWell Insulated

Loft insulation installed or upgraded to 250mm+

Low Energy Lighting
60%81%

More low energy lighting installed

Planning

Planning history

Applications and permits filed against 21 Granville Avenue, Seaton Sluice, Whitley Bay, NE26 4BU, sourced from the PlanIt planning register.
  1. Feb 2021
    ExtensionAmendment
    In report

    Non-material amendment relating to planning permission 20/01557/FUL to allow the extension to side to be extended by 850mm, first floor window above garage to become a bay window, introduce a canopy over the garage and front door, change windows to the porch, 1No. rear dormer removed and driveway widened to provide additional parking

    Agent
    Neil Armour Architectural Services
    Documents
    9 docs on file
    Reference
    21/00004/NONMAT
    View planning record
  2. Jul 2020
    ExtensionFull
    In report

    Extension: Single storey · Side and rear of property

    Construction of first floor side/rear extension and No. 2 attic rooms with rear dormer windows (amended site plans received 18/06/2020)

    Documents
    9 docs on file
    Reference
    20/01557/FUL
    View planning record

What's in 21 Granville Avenue, Seaton Sluice, Whitley Bay, NE26 4BU's planning history?

Refusals, disputes and full decisions on this property and nearby, in the report.

Price

Sales history & valuation

Recorded transactions, our model's current estimate, and a quick read on what neighbouring properties have sold for.

21 Granville Avenue valuation sits well clear of the typical sold price in this postcode.

Current estimate

£318,000

Modelled from EPC, postcode comparables and a sale-price growth of 4.7% per year over 13 years.

See how we calculated this
Last sold (2024)

£286,500

Growth on file: 4.7% per year over 13 years.

Sales timeline

  1. 11 September 2024Most recent

    £286,500

    +84.8%over 13 years
  2. 27 April 2011

    £155,000

Median price across the last 5 sales in NE26 4BU: £250,000 (2025–2019).

Before you offer

Everything we know about 21 Granville Avenue, in one report

What it's really worth, what could be wrong, and the planning, sales and area data in full.

  • Am I paying too much?
  • Is something wrong with it?
  • Is the agent's story true?
  • Will it hold its value?
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Preview of the full property report
On the street

Versus other Granville Avenue homes

Four headline reads against 7 similar houses on this street, drawn from the latest EPC and Land Registry data.

CO₂ Emissions for 21 Granville Avenue runs comfortably ahead of the street norm.

Price per m²

£2,837

Street avg £2,251

Strongly above

Floor Area

101 m²

Street avg 114 m²

Below

Habitable Rooms

5 rooms

Street avg 5 rooms

On par

CO₂ Emissions

3.5 t/year

Street avg 4.8 t/year

Strongly above
Area

The neighbourhood at a glance

A condensed read of the local area. Each tile links through to the full breakdown on the Whitley Bay district page.

Daytime road noise here sits well below conversation level — a quiet pocket of the postcode.

Crime

2/mo

Steady year-on-year across the wider district.

Nearest stop

0.1 km

Hartley Square — bus stop.

Closest school

0.1 km

Seaton Sluice First School. 4 schools nearby.

Go deeper on the local area

The full report breaks down crime, transport links, schools and air quality in depth.

Noise

Road noise across the postcode

Modelled day and night-time noise levels around NE26 4BU from Defra's strategic mapping. The pin marks this postcode's centroid.
Daytime road noise heatmap for NE26 4BU

Daytime· 07:00 – 23:00

48.3dB

Low
Night-time road noise heatmap for NE26 4BU

Night-time· 23:00 – 07:00

40.4dB

Low
55 dB
60 dB
65 dB
70 dB
75 dB
80 dB
Defra Road Noise Strategic Mapping, Round 4
FAQ

Common questions

The questions buyers, sellers and homeowners most often ask about 21 Granville Avenue, Seaton Sluice, Whitley Bay, NE26 4BU. Each answer is also embedded as structured data for search engines.